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Effect of pediatric mouthwashes on the color stability of dental restorations with composite resins. In vitro comparative study.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.532747
Lizbeth Martinez-Ccahuana, Evelyn Álvarez-Vidigal, Luis-Ernesto Arriola-Guillén, Denisse Aguilar-Gálvez

In this article by Martinez-Ccahuana and colleagues (J Clin Exp Dent. 2022;14(11):e897-902), there is an error in the authors of the manuscript. The correct author list is: Lizbeth Martinez-Ccahuana, Evelyn Álvarez-Vidigal, Luis-Ernesto Arriola-Guillén, Denisse Aguilar-Gálvez. References 1. Lizbeth Martinez-Ccahuana, Evelyn Álvarez-Vidigal, Luis-Ernesto Arriola-Guillén, Denisse Aguilar-Gálvez. Effect of pediatric mouthwashes on the color stability of dental restorations with composite resins. In vitro comparative study. J Clin Exp Dent. 2022;14(11):e897-902. PMid: 36458028 PMCid: PMC9701350.

Martinez-Ccahuana 及其同事的这篇文章(J Clin Exp Dent.2022;14(11):e897-902)中,手稿作者有误。正确的作者名单是Lizbeth Martinez-Ccahuana、Evelyn Álvarez-Vidigal、Luis-Ernesto Arriola-Guillén、Denisse Aguilar-Gálvez。参考文献 1.Lizbeth Martinez-Ccahuana、Evelyn Álvarez-Vidigal、Luis-Ernesto Arriola-Guillén、Denisse Aguilar-Gálvez。儿童漱口水对复合树脂牙科修复体颜色稳定性的影响。体外比较研究。J Clin Exp Dent.2022;14(11):e897-902.PMid:36458028 PMCid:PMC9701350.
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引用次数: 0
Use of the Er,Cr:YSGG laser as an adjuvant in root canal system disinfection.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62149
Idalia Rodríguez-Delgado, Daniela Hernandez-Martinez, Isaac Kably-Mizrahi, Marco Antonio Garza-Navarro, Jorge Jaime Flores-Treviño, Elizabeth Madla-Cruz, Myriam Angélica De la Garza-Ramos

Background: This study investigated the antibacterial efficacy and cleaning capacity of the Er,Cr:YSGG laser in root canal disinfection.

Material and methods: Fifteen teeth were inoculated with an Enterococcus faecalis biofilm and assigned to three groups as follows: Group 1 (control: biofilm only), Group 2 (Ultrasound [US] + 5.25% NaOCl), and Group 3 (Er, Cr at 1.25W, 40 Hz, with a steriline saline water-air spray 30-90%). Samples were taken from the root canals, and two from each group were prepared for a permeability experiment, where 2% methylene blue was placed inside the conduits and then incubated at 37°C for 20 min. The roots were sectioned into cervical, middle, and apical thirds and viewed with an optical microscope to observe dye penetration. The remaining samples (n=3) were prepared for SEM to analyze dentinal tubule permeability. Optical density was analyzed before and after the treatments. Normality was assessed using the Shapiro-Wilk test, and data were analyzed using Student's t-test and ANOVA with a significance level of 5%.

Results: Group 2 had a greater colony forming unit reduction with no difference from Group 3. Group 3 had greater methylene blue penetration and dental tubule cleaning. Both methods are effective in bacterial reduction; however, the reduction was greater with 5.25% NaOCl and ultrasound.

Conclusions: Er,Cr:YSGG laser significantly removes the smear layer. Key words:Er, Cr: YSGG, Ultrasound, Dentinal tubules, SEM, E. faecalis.

{"title":"Use of the Er,Cr:YSGG laser as an adjuvant in root canal system disinfection.","authors":"Idalia Rodríguez-Delgado, Daniela Hernandez-Martinez, Isaac Kably-Mizrahi, Marco Antonio Garza-Navarro, Jorge Jaime Flores-Treviño, Elizabeth Madla-Cruz, Myriam Angélica De la Garza-Ramos","doi":"10.4317/jced.62149","DOIUrl":"10.4317/jced.62149","url":null,"abstract":"<p><strong>Background: </strong>This study investigated the antibacterial efficacy and cleaning capacity of the Er,Cr:YSGG laser in root canal disinfection.</p><p><strong>Material and methods: </strong>Fifteen teeth were inoculated with an <i>Enterococcus faecalis</i> biofilm and assigned to three groups as follows: Group 1 (control: biofilm only), Group 2 (Ultrasound [US] + 5.25% NaOCl), and Group 3 (Er, Cr at 1.25W, 40 Hz, with a steriline saline water-air spray 30-90%). Samples were taken from the root canals, and two from each group were prepared for a permeability experiment, where 2% methylene blue was placed inside the conduits and then incubated at 37°C for 20 min. The roots were sectioned into cervical, middle, and apical thirds and viewed with an optical microscope to observe dye penetration. The remaining samples (n=3) were prepared for SEM to analyze dentinal tubule permeability. Optical density was analyzed before and after the treatments. Normality was assessed using the Shapiro-Wilk test, and data were analyzed using Student's t-test and ANOVA with a significance level of 5%.</p><p><strong>Results: </strong>Group 2 had a greater colony forming unit reduction with no difference from Group 3. Group 3 had greater methylene blue penetration and dental tubule cleaning. Both methods are effective in bacterial reduction; however, the reduction was greater with 5.25% NaOCl and ultrasound.</p><p><strong>Conclusions: </strong>Er,Cr:YSGG laser significantly removes the smear layer. <b>Key words:</b>Er, Cr: YSGG, Ultrasound, Dentinal tubules, SEM, E. faecalis.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1339-e1345"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632735/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Facial palsy after orthognathic surgery: An integrative analysis of literature reports and an illustrative case.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62082
Tatiane Fonseca Faro, Joana de Ângelis Alves Silva, Gustavo José de Luna Campos, Maristela Queiroz, Luciana Moraes Studart-Pereira, Caroline Vieira de Lucena, José Rodrigues Laureano Filho

Background: To describe a case of a patient with PFP after orthognathic surgery and discuss cases reports on temporary or permanent facial paralysis, factors that trigger injury, and treatment for facial paralysis associated with orthognathic surgery.

Material and methods: This study has two parts: a report of the case of a 20- year-old man who underwent orthognathic surgery for facial paralysis, and an integrative literature review on postoperative facial paralysis following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statements and performed survival analyses of all cases reported to date.

Results: The analysis was composed of 33 patients; 54,5% were male (mean age, 25 years). The right side was most affected by PFP (54.5%). Mandibular (48.5%) and bimaxillary (36.4%) surgeries were the most frequently performed procedures; the mandibular movements ranged from 1 to 18 mm (right side) and 2 to 18 mm (left side). The hypotheses regarding the possible causes of PFP differed between the selected studies. However, compression of the facial nerves was the most common. The use of steroids and physiotherapy were the most described treatment plans. The follow-up period ranged from 1.5 to 36 months (average, 6.12 months), and 78.7% of the patients had complete remission.

Conclusions: Although rare, PFP after orthognathic surgery is one of the most serious complications, as it reduces the quality of life and social interaction of the patients. Therefore, early evaluation should be considered immediately in the postoperative period in patients undergoing orthognathic surgery. There presently is no consensus on the management protocol and establishing a systematization can be beneficial for patients with PFP. Key words:Facial palsy, facial paralysis, sagittal split ramus osteotomy, orthognathic surgery, complication, nerve damage.

{"title":"Facial palsy after orthognathic surgery: An integrative analysis of literature reports and an illustrative case.","authors":"Tatiane Fonseca Faro, Joana de Ângelis Alves Silva, Gustavo José de Luna Campos, Maristela Queiroz, Luciana Moraes Studart-Pereira, Caroline Vieira de Lucena, José Rodrigues Laureano Filho","doi":"10.4317/jced.62082","DOIUrl":"10.4317/jced.62082","url":null,"abstract":"<p><strong>Background: </strong>To describe a case of a patient with PFP after orthognathic surgery and discuss cases reports on temporary or permanent facial paralysis, factors that trigger injury, and treatment for facial paralysis associated with orthognathic surgery.</p><p><strong>Material and methods: </strong>This study has two parts: a report of the case of a 20- year-old man who underwent orthognathic surgery for facial paralysis, and an integrative literature review on postoperative facial paralysis following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statements and performed survival analyses of all cases reported to date.</p><p><strong>Results: </strong>The analysis was composed of 33 patients; 54,5% were male (mean age, 25 years). The right side was most affected by PFP (54.5%). Mandibular (48.5%) and bimaxillary (36.4%) surgeries were the most frequently performed procedures; the mandibular movements ranged from 1 to 18 mm (right side) and 2 to 18 mm (left side). The hypotheses regarding the possible causes of PFP differed between the selected studies. However, compression of the facial nerves was the most common. The use of steroids and physiotherapy were the most described treatment plans. The follow-up period ranged from 1.5 to 36 months (average, 6.12 months), and 78.7% of the patients had complete remission.</p><p><strong>Conclusions: </strong>Although rare, PFP after orthognathic surgery is one of the most serious complications, as it reduces the quality of life and social interaction of the patients. Therefore, early evaluation should be considered immediately in the postoperative period in patients undergoing orthognathic surgery. There presently is no consensus on the management protocol and establishing a systematization can be beneficial for patients with PFP. <b>Key words:</b>Facial palsy, facial paralysis, sagittal split ramus osteotomy, orthognathic surgery, complication, nerve damage.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1399-e1410"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632732/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142817910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Artificial Neural Network-Assisted Facial Analysis for Planning of Orthognathic Surgery.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62088
Lívia Mirelle Barbosa, Joana de Ângelis Alves Silva, José Ivson Soares da Silva, Tsang Ing Ren, Belmiro Cavalcanti do Egito Vasconcelos, José Rodrigues Laureano Filho

Background: Facial analysis for orthognathic surgery aims to identify facial features and determine how occlusion should be corrected to achieve facial balance. Several artificial neural networks have been developed to detect facial landmarks; however, no publications have reported the application of neural networks to measure facial proportions specifically for orthognathic surgery planning. Objectives: To develop a computer program that automates facial measurements through photograph capture, as well as to present the development stages of the program and the test results evaluating its effectiveness.

Material and methods: Researchers from the Postgraduate Program in Oral and Maxillofacial Surgery at the University of Pernambuco (UPE), in collaboration with researchers from the IT Center at the Federal University of Pernambuco (UFPE), developed a computer program to automate facial measurements through photographic capture.

Results: The developed program successfully detected nine measurements: (M1) middle third of the face, (M2) lower third, (M3) intercanthal distance, (M4) alar base, (M5) upper lip, (M6) upper lip vermilion, (M7) lower lip, (M8) lower lip vermilion, and (M9) interlabial gap. Of these measurements, only two showed significant discrepancies (p<0.01) compared to the actual size in both versions of the program. These discrepancies referred to the middle third of the face and the lower lip vermilion.

Conclusions: The developed program can be considered effective, as it automatically detected seven facial measurements relevant to orthognathic surgery. However, this line of research must be continued to create a larger database and train the network more robustly, increasing its ability to detect more facial landmarks and allowing the automated acquisition of additional measurements important for orthognathic surgery planning. Key words:Dentofacial deformities, maxillofacial abnormalities, orthognathic surgery, artificial intelligence, software.

{"title":"Artificial Neural Network-Assisted Facial Analysis for Planning of Orthognathic Surgery.","authors":"Lívia Mirelle Barbosa, Joana de Ângelis Alves Silva, José Ivson Soares da Silva, Tsang Ing Ren, Belmiro Cavalcanti do Egito Vasconcelos, José Rodrigues Laureano Filho","doi":"10.4317/jced.62088","DOIUrl":"10.4317/jced.62088","url":null,"abstract":"<p><strong>Background: </strong>Facial analysis for orthognathic surgery aims to identify facial features and determine how occlusion should be corrected to achieve facial balance. Several artificial neural networks have been developed to detect facial landmarks; however, no publications have reported the application of neural networks to measure facial proportions specifically for orthognathic surgery planning. Objectives: To develop a computer program that automates facial measurements through photograph capture, as well as to present the development stages of the program and the test results evaluating its effectiveness.</p><p><strong>Material and methods: </strong>Researchers from the Postgraduate Program in Oral and Maxillofacial Surgery at the University of Pernambuco (UPE), in collaboration with researchers from the IT Center at the Federal University of Pernambuco (UFPE), developed a computer program to automate facial measurements through photographic capture.</p><p><strong>Results: </strong>The developed program successfully detected nine measurements: (M1) middle third of the face, (M2) lower third, (M3) intercanthal distance, (M4) alar base, (M5) upper lip, (M6) upper lip vermilion, (M7) lower lip, (M8) lower lip vermilion, and (M9) interlabial gap. Of these measurements, only two showed significant discrepancies (<i>p</i><0.01) compared to the actual size in both versions of the program. These discrepancies referred to the middle third of the face and the lower lip vermilion.</p><p><strong>Conclusions: </strong>The developed program can be considered effective, as it automatically detected seven facial measurements relevant to orthognathic surgery. However, this line of research must be continued to create a larger database and train the network more robustly, increasing its ability to detect more facial landmarks and allowing the automated acquisition of additional measurements important for orthognathic surgery planning. <b>Key words:</b>Dentofacial deformities, maxillofacial abnormalities, orthognathic surgery, artificial intelligence, software.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1386-e1392"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632738/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Ultraviolet C light disinfection on the dimensional stability of dental impression materials: A scoping review of the literature.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62119
Violeta Malpartida-Carrillo, Pedro Luis Tinedo-López, Julio Enrique Salas-Quispe, María Angélica Fry-Oropeza, Silvia Amaya-Pajares, Mutlu Özcan

Background: Ultraviolet C (UVC) light is a physical method proposed for disinfecting dental impression materials and preventing cross-infections in clinical practice. The investigations have focused on the UVC disinfection potential, but little is known about the consequences on dental materials' properties. This scoping review's objective is to evaluate information about the effect of UVC light on the dimensional stability of dental impression materials.

Material and methods: An electronic search of dental literature in the Medline (via PubMed), Scopus, and Embase databases were systematically searched until July 31 of 2024 following the PRISMA-ScR guidelines. The search strategy was carried out considering three groups of words with indexing terms and Boolean operators. Two reviewers selected the titles and analyzed the abstracts according to the inclusion and exclusion criteria.

Results: A total of six articles were included through electronic database searches. Four studies evaluated the dimensional stability by measuring dental casts made from an impression and two studies measured distances on discs made from stainless steel dies. The studies reported the use of polyether, addition and condensation silicones, alginate, and zinc oxide eugenol in the protocols followed. Three of the six included studies compared the effect of UVC light against glutaraldehyde 2% and sodium hypochlorite (1% or 5.25%), one study compared the UVC light against quaternary ammonium salts, phenoxyethanol, alcohol, and ozone, meanwhile another study compared the effect of UVC light against peracetic acid 0.2%, natural polymer of glucosamine and ozonated water. Regarding measuring devices, only one study reported the use of a measuring software, the majority used traveling microscope.

Conclusions: Based on the findings, UVC light showed no significant dimensional changes in polyether, addition, and condensation silicones. Key words:Disinfection, dental impression materials, ultraviolet light.

{"title":"Effect of Ultraviolet C light disinfection on the dimensional stability of dental impression materials: A scoping review of the literature.","authors":"Violeta Malpartida-Carrillo, Pedro Luis Tinedo-López, Julio Enrique Salas-Quispe, María Angélica Fry-Oropeza, Silvia Amaya-Pajares, Mutlu Özcan","doi":"10.4317/jced.62119","DOIUrl":"10.4317/jced.62119","url":null,"abstract":"<p><strong>Background: </strong>Ultraviolet C (UVC) light is a physical method proposed for disinfecting dental impression materials and preventing cross-infections in clinical practice. The investigations have focused on the UVC disinfection potential, but little is known about the consequences on dental materials' properties. This scoping review's objective is to evaluate information about the effect of UVC light on the dimensional stability of dental impression materials.</p><p><strong>Material and methods: </strong>An electronic search of dental literature in the Medline (via PubMed), Scopus, and Embase databases were systematically searched until July 31 of 2024 following the PRISMA-ScR guidelines. The search strategy was carried out considering three groups of words with indexing terms and Boolean operators. Two reviewers selected the titles and analyzed the abstracts according to the inclusion and exclusion criteria.</p><p><strong>Results: </strong>A total of six articles were included through electronic database searches. Four studies evaluated the dimensional stability by measuring dental casts made from an impression and two studies measured distances on discs made from stainless steel dies. The studies reported the use of polyether, addition and condensation silicones, alginate, and zinc oxide eugenol in the protocols followed. Three of the six included studies compared the effect of UVC light against glutaraldehyde 2% and sodium hypochlorite (1% or 5.25%), one study compared the UVC light against quaternary ammonium salts, phenoxyethanol, alcohol, and ozone, meanwhile another study compared the effect of UVC light against peracetic acid 0.2%, natural polymer of glucosamine and ozonated water. Regarding measuring devices, only one study reported the use of a measuring software, the majority used traveling microscope.</p><p><strong>Conclusions: </strong>Based on the findings, UVC light showed no significant dimensional changes in polyether, addition, and condensation silicones. <b>Key words:</b>Disinfection, dental impression materials, ultraviolet light.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1422-e1428"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632725/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of panoramic images in the assessment of mandibular second molar impaction. 评估下颌第二磨牙嵌塞时的全景图像。
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62127
Kathleen R McKeon, Robert R Mortimer, John M Burnheimer

Background: To examine the relationship of various mandibular skeletal features determined from assessment of a panoramic image to the impaction of mandibular second molars in children with late mixed to early permanent dentition.

Material and methods: Thirty-six panoramic radiographs were collected from two private orthodontic offices of consecutively screened patients in the late mixed to early permanent dentition. Gonial angle, space ratio, ramus ratio and occlusal plane to posterior ramus ratio were analyzed for any significant relationship with mandibular second molar impaction. Measurements were made on each of the orthopantomograms and compared between the impaction and non-impaction groups.

Results: The overall sample consisted of 36 patients between the ages of 11 to 14 years with a mean age of 12.5 years and included 21 females and 15 males. Eighteen were identified as having impactions and were designated to the IMP group, while eighteen without impactions were designated to the NON group. There was a significant difference in the tooth size to space available ratio between groups with the second molar accounting for 126% of the space available in the IMP group and about 80% of the space available in the NON group (P<0.001). Additionally, a significant difference was found in occlusal plane to posterior ramus angle between the two groups, with the IMP group averaging 73.93º, and the NON group averaging 66.39º (P=0.002).

Conclusions: The mandibular second molars of patients presenting with impactions occupy more of the available space and exhibit a greater occlusal plane to posterior ramus angle. Key words:Impaction, gonial angle, second molar.

{"title":"Evaluation of panoramic images in the assessment of mandibular second molar impaction.","authors":"Kathleen R McKeon, Robert R Mortimer, John M Burnheimer","doi":"10.4317/jced.62127","DOIUrl":"10.4317/jced.62127","url":null,"abstract":"<p><strong>Background: </strong>To examine the relationship of various mandibular skeletal features determined from assessment of a panoramic image to the impaction of mandibular second molars in children with late mixed to early permanent dentition.</p><p><strong>Material and methods: </strong>Thirty-six panoramic radiographs were collected from two private orthodontic offices of consecutively screened patients in the late mixed to early permanent dentition. Gonial angle, space ratio, ramus ratio and occlusal plane to posterior ramus ratio were analyzed for any significant relationship with mandibular second molar impaction. Measurements were made on each of the orthopantomograms and compared between the impaction and non-impaction groups.</p><p><strong>Results: </strong>The overall sample consisted of 36 patients between the ages of 11 to 14 years with a mean age of 12.5 years and included 21 females and 15 males. Eighteen were identified as having impactions and were designated to the IMP group, while eighteen without impactions were designated to the NON group. There was a significant difference in the tooth size to space available ratio between groups with the second molar accounting for 126% of the space available in the IMP group and about 80% of the space available in the NON group (<i>P</i><0.001). Additionally, a significant difference was found in occlusal plane to posterior ramus angle between the two groups, with the IMP group averaging 73.93º, and the NON group averaging 66.39º (<i>P</i>=0.002).</p><p><strong>Conclusions: </strong>The mandibular second molars of patients presenting with impactions occupy more of the available space and exhibit a greater occlusal plane to posterior ramus angle. <b>Key words:</b>Impaction, gonial angle, second molar.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1317-e1322"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632737/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142817905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing pterygoid implant placement without sinus intrusion in edentulous vietnamese patients: A comprehensive tomographic analysis and cross-sectional study.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.61787
Dau Cao Luong, Le Duc Lanh, Vo Lam Thuy, Pham Thi Huong Loan

Background: Severe maxillary resorption presents challenges in dental implant placement. This research aims to assess the feasibility, angular orientation, and appropriate length of pterygoid implants in patients with significant maxillary atrophy.

Material and methods: The study examined Cone Beam Computed Tomography (CBCT) scans from 60 completely edentulous patients classified as Cawood and Howell's Classes V or VI, with less than 4mm residual bone height in their posterior maxilla. Experienced oral and maxillofacial surgeons and researchers conducted virtual pterygoid implant placement, evaluating various implant positions.

Results: Position C was the most frequent, comprising 34.6% of cases evaluated. The average antero-posterior angle across all positions was 51.82±5.57 degrees, and the bucco-lingual angle was 74.15±16.53 degrees relative to the Frankfort horizontal plane. The optimal location for implant neck placement was approximately 10 mm from the most distal point of maxillary tuberosity, angled 50 degrees antero-posteriorly and 75 degrees bucco-lingually. While 18 mm implants were typically used, lengths of 20-22 mm were sometimes necessary for bicortical anchorage.

Conclusions: This study demonstrates the viability of pterygoid implants even in cases of significant maxillary atrophy. The findings emphasize the importance of adapting implant placement strategies to individual patient anatomies. Further research may be needed to refine techniques for patients with severe maxillary resorption. Key words:Pterygoid Implant, Edentulous Patient, CBCT (Cone Beam Computed Tomography), Tomographic analysis.

背景:严重的上颌骨吸收给牙科植入物的植入带来了挑战。本研究旨在评估上颌骨严重萎缩患者翼状体植入的可行性、角度方向和适当长度:该研究检查了 60 名完全无牙颌患者的锥形束计算机断层扫描(CBCT)扫描结果,这些患者被归类为卡伍德和豪威尔分级 V 级或 VI 级,上颌后部残余骨高度不足 4 毫米。经验丰富的口腔颌面外科医生和研究人员进行了虚拟翼状胬肉植入术,评估了不同的植入位置:结果:C位置最常见,占评估病例的34.6%。所有位置的平均前后角为(51.82±5.57)度,相对于法兰克福水平面的颊舌角为(74.15±16.53)度。种植体颈部的最佳植入位置是距离上颌结节最远点约 10 毫米处,前后倾斜 50 度,颊舌倾斜 75 度。虽然通常使用 18 毫米的种植体,但有时也需要 20-22 毫米长的种植体进行双皮质固定:这项研究表明,即使在上颌骨严重萎缩的情况下,翼状突起种植体也是可行的。研究结果强调了根据患者个体解剖情况调整种植体植入策略的重要性。对于上颌骨严重吸收的患者,可能还需要进一步的研究来完善技术。关键词:翼管种植体、无牙患者、CBCT(锥形束计算机断层扫描)、断层扫描分析。
{"title":"Optimizing pterygoid implant placement without sinus intrusion in edentulous vietnamese patients: A comprehensive tomographic analysis and cross-sectional study.","authors":"Dau Cao Luong, Le Duc Lanh, Vo Lam Thuy, Pham Thi Huong Loan","doi":"10.4317/jced.61787","DOIUrl":"10.4317/jced.61787","url":null,"abstract":"<p><strong>Background: </strong>Severe maxillary resorption presents challenges in dental implant placement. This research aims to assess the feasibility, angular orientation, and appropriate length of pterygoid implants in patients with significant maxillary atrophy.</p><p><strong>Material and methods: </strong>The study examined Cone Beam Computed Tomography (CBCT) scans from 60 completely edentulous patients classified as Cawood and Howell's Classes V or VI, with less than 4mm residual bone height in their posterior maxilla. Experienced oral and maxillofacial surgeons and researchers conducted virtual pterygoid implant placement, evaluating various implant positions.</p><p><strong>Results: </strong>Position C was the most frequent, comprising 34.6% of cases evaluated. The average antero-posterior angle across all positions was 51.82±5.57 degrees, and the bucco-lingual angle was 74.15±16.53 degrees relative to the Frankfort horizontal plane. The optimal location for implant neck placement was approximately 10 mm from the most distal point of maxillary tuberosity, angled 50 degrees antero-posteriorly and 75 degrees bucco-lingually. While 18 mm implants were typically used, lengths of 20-22 mm were sometimes necessary for bicortical anchorage.</p><p><strong>Conclusions: </strong>This study demonstrates the viability of pterygoid implants even in cases of significant maxillary atrophy. The findings emphasize the importance of adapting implant placement strategies to individual patient anatomies. Further research may be needed to refine techniques for patients with severe maxillary resorption. <b>Key words:</b>Pterygoid Implant, Edentulous Patient, CBCT (Cone Beam Computed Tomography), Tomographic analysis.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1371-e1378"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632734/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142817862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence of mandibular, condylar and ramus asymmetry in panoramic radiographs of adult individuals. A cross-sectional study.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62144
Sandra Pinto-Wong, Luis Ernesto Arriola-Guillén

Background: Mandibular asymmetry is more common than previously thought. The purpose of this study was to determine the prevalence of mandibular, condylar and ramus asymmetry by means of the Habets index using panoramic radiographs obtained from adult individuals.

Material and methods: This cross-sectional study evaluated 210 panoramic radiographs performed in adults attending a private referral radiology center in Lima, Peru. Radiographs of both genders were considered, including permanent dentition and of good quality. A trained and calibrated evaluator assessed mandibular, condyle and ramus height using the Habets method, considering asymmetry when the difference between the two sides was greater than 3%. Fisher's exact test, the paired Student's t-test and finally binary logistic regression were used to determine the characteristics of the asymmetries.

Results: Mandibular asymmetry was present in 39.5%, condylar asymmetry in 81.4% and mandibular ramus asymmetry in 48.6%, with no differences between genders (P>0.05). Only women showed a difference between the two sides in mandibular (P=0.008), and condylar height (P=0.013), although multivariate analysis showed neither gender nor age to have any significant influence on the occurrence of mandibular, condylar or ramus asymmetries.

Conclusions: The prevalence of mandibular, condylar and ramus asymmetries in the sample evaluated was significant, although most of these asymmetries can be considered mild, given that the highly sensitive Habets index classifies any difference greater than 3% as asymmetry. These asymmetries, although most of them could be clinically not very noticeable, should be considered when planning treatments. In addition, neither gender nor age was found to significantly influence the occurrence of these asymmetries. Key words:Asymmetry, condyle, mandible, orthodontics.

{"title":"Prevalence of mandibular, condylar and ramus asymmetry in panoramic radiographs of adult individuals. A cross-sectional study.","authors":"Sandra Pinto-Wong, Luis Ernesto Arriola-Guillén","doi":"10.4317/jced.62144","DOIUrl":"10.4317/jced.62144","url":null,"abstract":"<p><strong>Background: </strong>Mandibular asymmetry is more common than previously thought. The purpose of this study was to determine the prevalence of mandibular, condylar and ramus asymmetry by means of the Habets index using panoramic radiographs obtained from adult individuals.</p><p><strong>Material and methods: </strong>This cross-sectional study evaluated 210 panoramic radiographs performed in adults attending a private referral radiology center in Lima, Peru. Radiographs of both genders were considered, including permanent dentition and of good quality. A trained and calibrated evaluator assessed mandibular, condyle and ramus height using the Habets method, considering asymmetry when the difference between the two sides was greater than 3%. Fisher's exact test, the paired Student's t-test and finally binary logistic regression were used to determine the characteristics of the asymmetries.</p><p><strong>Results: </strong>Mandibular asymmetry was present in 39.5%, condylar asymmetry in 81.4% and mandibular ramus asymmetry in 48.6%, with no differences between genders (<i>P</i>>0.05). Only women showed a difference between the two sides in mandibular (<i>P</i>=0.008), and condylar height (<i>P</i>=0.013), although multivariate analysis showed neither gender nor age to have any significant influence on the occurrence of mandibular, condylar or ramus asymmetries.</p><p><strong>Conclusions: </strong>The prevalence of mandibular, condylar and ramus asymmetries in the sample evaluated was significant, although most of these asymmetries can be considered mild, given that the highly sensitive Habets index classifies any difference greater than 3% as asymmetry. These asymmetries, although most of them could be clinically not very noticeable, should be considered when planning treatments. In addition, neither gender nor age was found to significantly influence the occurrence of these asymmetries. <b>Key words:</b>Asymmetry, condyle, mandible, orthodontics.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1332-e1338"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632728/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Validity between signs and symptoms of sleep bruxism against a validated portable electromyographic device.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.61720
Márcio Lima Grossi, Lourenço Oliveira Castillo, Marcos Pascoal Pattussi, Georgia Meneghini Pinto, Ruy Teichert Filho

Background: Sleep bruxism is a major research area in dentistry today and needs valid clinical means of diagnosis against valid instrumental methods. Purpose: To assess the validity of the most commonly reported sleep bruxism (SB) signs and symptoms in the literature against a polysomnography (PSG) validated portable electromyographic (EMG) device (BiteStrip®).

Material and methods: Fifty young adults (40 women & 10 men, 18-30 years old) volunteered for the sequential and simultaneous administration of the SB signs and symptoms questionnaire versus the BiteStrip®. The SB signs and symptoms questionnaire was comprised of 19 items divided in 5 areas: a) Area 1: self-awareness of tooth grinding, clenching, and/or tooth sounds/noises, b) Area 2: headaches and/or facial pain, c) Area 3: muscle fatigue and/or hypertrophy, d) Area 4: clicking, crepitation and/or locking in the TMJ, and e) Area 5: tooth sensitivity, tooth wear/breaking, and/or cheek/tongue indentations. A cross-tabulation between the dichotomic test results (positive = 1, negative = 0) between the all five SB areas separately using quartiles (positive test result=75th percentile or higher, negative test result=50th percentile or lower) versus a positive test result of the BiteStrip® (score=1 or higher) was performed.

Results: Area 1 presented the highest sensitivity for SB screening (80.0%), but with low specificity (51.4%), diagnosing most SB cases, but with a high number of false positives. All other four areas had low sensitivity (range=37.9% to 58.6%) and screening capacity and are only useful if Area 1 is positive.

Conclusions: Commonly reported SB signs and symptoms are not valid diagnostic measurements and can only be used as a screening method for either 'possible' or 'probable' SB diagnosis. Key words:Sleep bruxism, electromyography, validation study, polysomnographies.

{"title":"Validity between signs and symptoms of sleep bruxism against a validated portable electromyographic device.","authors":"Márcio Lima Grossi, Lourenço Oliveira Castillo, Marcos Pascoal Pattussi, Georgia Meneghini Pinto, Ruy Teichert Filho","doi":"10.4317/jced.61720","DOIUrl":"10.4317/jced.61720","url":null,"abstract":"<p><strong>Background: </strong>Sleep bruxism is a major research area in dentistry today and needs valid clinical means of diagnosis against valid instrumental methods. Purpose: To assess the validity of the most commonly reported sleep bruxism (SB) signs and symptoms in the literature against a polysomnography (PSG) validated portable electromyographic (EMG) device (BiteStrip®).</p><p><strong>Material and methods: </strong>Fifty young adults (40 women & 10 men, 18-30 years old) volunteered for the sequential and simultaneous administration of the SB signs and symptoms questionnaire versus the BiteStrip®. The SB signs and symptoms questionnaire was comprised of 19 items divided in 5 areas: a) Area 1: self-awareness of tooth grinding, clenching, and/or tooth sounds/noises, b) Area 2: headaches and/or facial pain, c) Area 3: muscle fatigue and/or hypertrophy, d) Area 4: clicking, crepitation and/or locking in the TMJ, and e) Area 5: tooth sensitivity, tooth wear/breaking, and/or cheek/tongue indentations. A cross-tabulation between the dichotomic test results (positive = 1, negative = 0) between the all five SB areas separately using quartiles (positive test result=75th percentile or higher, negative test result=50th percentile or lower) versus a positive test result of the BiteStrip® (score=1 or higher) was performed.</p><p><strong>Results: </strong>Area 1 presented the highest sensitivity for SB screening (80.0%), but with low specificity (51.4%), diagnosing most SB cases, but with a high number of false positives. All other four areas had low sensitivity (range=37.9% to 58.6%) and screening capacity and are only useful if Area 1 is positive.</p><p><strong>Conclusions: </strong>Commonly reported SB signs and symptoms are not valid diagnostic measurements and can only be used as a screening method for either 'possible' or 'probable' SB diagnosis. <b>Key words:</b>Sleep bruxism, electromyography, validation study, polysomnographies.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1354-e1360"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632731/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical Evaluation of Root Canal Shaping Ability of a Stainless-steel File System Compared to Two Nickel-titanium Single-file Systems.
Q2 Dentistry Pub Date : 2024-11-01 DOI: 10.4317/jced.62012
Alaa O Mais, Amr M Abdallah, Essam Osman, Hatem A Alhadainy

Background: Root canal shaping is an important phase in endodontic treatment to preserve the integrity of root structures. This clinical study used cone-beam computed tomography (CBCT) to assess the shaping ability of Tornado compared to WaveOne (WO), and OneShape (OS) rotary systems.

Material and methods: MesioBuccal canals of lower molars with curving angles ranging from 15° to 45° were used in 30 patients to evaluate the apical transportation and centering ability of Tornado, WO, and OS. The canals were divided into 3 groups according to the instrumentation system (n=10), which corresponded to the systems that were employed. Centering ratio and canal transportation were assessed at 2, 5, and 8 mm from the apical foramen using CBCT. Statistical analysis was conducted using the Kruskal-Wallis test and Mann-Whitney test at p-value = 0.05.

Results: All tested levels showed no statistically significant difference in transportation and centering ability (P>0.05). The Tornado file preserved the original canal curvature with no statistical significance compared to WO files and OS.

Conclusions: The tornado file system was proven to provide an accepted quality of root canal shaping compared to WO and OS rotary systems. All systems maintained the original canal anatomy with appropriate centralization and no canal transportation. Key words:Canal Centering Ability, Canal Transportation, Cone-beam Computed Tomography, Nickel-Titanium Files, Tornado Rotary System.

背景:根管成型是牙髓治疗中保护根部结构完整性的一个重要阶段。这项临床研究使用锥束计算机断层扫描(CBCT)评估 Tornado 与 WaveOne(WO)和 OneShape(OS)旋转系统相比的塑形能力:在 30 名患者的下磨牙颊中管中,使用弯曲角度从 15° 到 45° 不等的 Tornado、WO 和 OS 旋转系统,评估其根尖运输和居中能力。根据所使用的器械系统(n=10)将患者的牙槽骨分为 3 组。使用 CBCT 在距根尖孔 2、5 和 8 毫米处对中心比和根管运输进行评估。统计分析采用 Kruskal-Wallis 检验和 Mann-Whitney 检验,P 值 = 0.05:所有测试水平在运输和居中能力方面均无统计学差异(P>0.05)。龙卷风锉与WO锉和OS锉相比,保留了原有的牙槽骨弧度,但无统计学意义:结论:事实证明,与 WO 和 OS 旋转系统相比,龙卷风锉系统的根管塑形质量是可以接受的。所有系统都保持了原有的根管解剖结构,具有适当的集中性,没有根管移位。关键词:根管中心定位能力、根管迁移、锥形束计算机断层扫描、镍钛锉、龙卷风旋转系统。
{"title":"Clinical Evaluation of Root Canal Shaping Ability of a Stainless-steel File System Compared to Two Nickel-titanium Single-file Systems.","authors":"Alaa O Mais, Amr M Abdallah, Essam Osman, Hatem A Alhadainy","doi":"10.4317/jced.62012","DOIUrl":"10.4317/jced.62012","url":null,"abstract":"<p><strong>Background: </strong>Root canal shaping is an important phase in endodontic treatment to preserve the integrity of root structures. This clinical study used cone-beam computed tomography (CBCT) to assess the shaping ability of Tornado compared to WaveOne (WO), and OneShape (OS) rotary systems.</p><p><strong>Material and methods: </strong>MesioBuccal canals of lower molars with curving angles ranging from 15° to 45° were used in 30 patients to evaluate the apical transportation and centering ability of Tornado, WO, and OS. The canals were divided into 3 groups according to the instrumentation system (n=10), which corresponded to the systems that were employed. Centering ratio and canal transportation were assessed at 2, 5, and 8 mm from the apical foramen using CBCT. Statistical analysis was conducted using the Kruskal-Wallis test and Mann-Whitney test at p-value = 0.05.</p><p><strong>Results: </strong>All tested levels showed no statistically significant difference in transportation and centering ability (<i>P</i>>0.05). The Tornado file preserved the original canal curvature with no statistical significance compared to WO files and OS.</p><p><strong>Conclusions: </strong>The tornado file system was proven to provide an accepted quality of root canal shaping compared to WO and OS rotary systems. All systems maintained the original canal anatomy with appropriate centralization and no canal transportation. <b>Key words:</b>Canal Centering Ability, Canal Transportation, Cone-beam Computed Tomography, Nickel-Titanium Files, Tornado Rotary System.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"16 11","pages":"e1393-e1398"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11632736/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142818233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Journal of Clinical and Experimental Dentistry
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