Pub Date : 2023-06-01DOI: 10.21608/eos.2023.187956.1065
Ibrahim Elmahdy, W. Refai, A. Abdelhameed
: Deep over bite with gummy smile can be treated with orthodontics only or combination with orthognathic surgery. the use of miniscrews is a treatment option that offers an effective method for obtaining maxillary dento- alveolar intrusion and correction of the gummy smile. Aim of the study This study aimed to compare one anterior miniscrew versus two anterior miniscrews for correcting deep overbite with gummy smile using cone beam computerized tomography.
{"title":"Three-Dimensional Evaluation Of The Intrusive Effects Of Usage Of Single Miniscrew Versus Two In Correcting Anterior Deep Bite With Gummy Smile: Double Armed Randomized Trial","authors":"Ibrahim Elmahdy, W. Refai, A. Abdelhameed","doi":"10.21608/eos.2023.187956.1065","DOIUrl":"https://doi.org/10.21608/eos.2023.187956.1065","url":null,"abstract":": Deep over bite with gummy smile can be treated with orthodontics only or combination with orthognathic surgery. the use of miniscrews is a treatment option that offers an effective method for obtaining maxillary dento- alveolar intrusion and correction of the gummy smile. Aim of the study This study aimed to compare one anterior miniscrew versus two anterior miniscrews for correcting deep overbite with gummy smile using cone beam computerized tomography.","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"157 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133191370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2022.175569.1059
H. Saifeldin, I. Negm, A. Shehata
Objective: the aim of this study was to evaluate the efficiency of a new magnetic habit reminder in cessation of thumb sucking habit and correction of Anterior open bite. Material and Methods: This was a prospective clinical trial. The sample consisted of 20 subjects (7 boys and 13 girls) between the age of 5-12 years. Patients were eligible for this study if they had a thumb sucking habit with anterior open bite. Whereas the exclusion criteria included subjects with a history of previous orthodontic treatment, systemic diseases, and/or presence of any clefts. The appliance is a custom made fixed, removable appliance. It consists of two parts (intraoral and extraoral parts) enclosing two poles of gold coated neodymium and iron boron magnets. After insertion of the appliances, the participants were recalled every 4 weeks. At the end of the 6 th month of this study, the appliances were removed, and post-treatment records were taken. Results:
{"title":"The Magnetic Habit Reminder For The Correction Of Thumb Sucking Habit. A Prospective Clinical Trial","authors":"H. Saifeldin, I. Negm, A. Shehata","doi":"10.21608/eos.2022.175569.1059","DOIUrl":"https://doi.org/10.21608/eos.2022.175569.1059","url":null,"abstract":"Objective: the aim of this study was to evaluate the efficiency of a new magnetic habit reminder in cessation of thumb sucking habit and correction of Anterior open bite. Material and Methods: This was a prospective clinical trial. The sample consisted of 20 subjects (7 boys and 13 girls) between the age of 5-12 years. Patients were eligible for this study if they had a thumb sucking habit with anterior open bite. Whereas the exclusion criteria included subjects with a history of previous orthodontic treatment, systemic diseases, and/or presence of any clefts. The appliance is a custom made fixed, removable appliance. It consists of two parts (intraoral and extraoral parts) enclosing two poles of gold coated neodymium and iron boron magnets. After insertion of the appliances, the participants were recalled every 4 weeks. At the end of the 6 th month of this study, the appliances were removed, and post-treatment records were taken. Results:","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"13 11-12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132364731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2023.182689.1063
Walaa Mohamed, Asmaa Abdalh
orthodontic procedures must take the maxillary sinus extension into consideration
正畸手术必须考虑上颌窦的伸展
{"title":"Comparison Of Different Imaging Software For Measuring Volume Of The Maxillary Sinus","authors":"Walaa Mohamed, Asmaa Abdalh","doi":"10.21608/eos.2023.182689.1063","DOIUrl":"https://doi.org/10.21608/eos.2023.182689.1063","url":null,"abstract":"orthodontic procedures must take the maxillary sinus extension into consideration","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114122182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2022.174529.1058
H. Saifeldin, A. Samaha, Heba Sanafawy
Objective: The aim of this study is to determine the impact of silver diamine fluoride and diode laser on the shear bond strength of orthodontic brackets in-vitro. Materials and methods: Fifty natural human premolars were used in this study. The sample was randomly divided into five groups (10 teeth in each group) as follows: Group 1: control group with no intervention, group 2: SDF application before enamel etching, group 3: SDF application after enamel etching, group 4: DL application before enamel etching, group 5: DL application after enamel etching. Then the bonding procedure followed. Each specimen was tested to failure in shear mode. After debonding, the adhesive remnant index (ARI) was calculated. Results: The mean shear bond strength of the orthodontic brackets when DL was applied after enamel etching was significantly higher than the other intervention groups but lower than that of the control group. SDF groups and DL group applied before enamel etching had the least mean shear bond strength with no statistically significant difference among them. ARI scores for the different groups indicated no significant differences in their distribution frequencies. Conclusions: SDF and DL maintained high shear bond strength to orthodontic brackets. ARI score showed no statistically significant difference in failure site between all groups.
{"title":"Effect Of White Spot Lesion Pretreatment With Silver Diamine Fluoride Compared To Diode Laser On The Shear Bond Strength Of Orthodontic Brackets. An In-Vitro Study","authors":"H. Saifeldin, A. Samaha, Heba Sanafawy","doi":"10.21608/eos.2022.174529.1058","DOIUrl":"https://doi.org/10.21608/eos.2022.174529.1058","url":null,"abstract":"Objective: The aim of this study is to determine the impact of silver diamine fluoride and diode laser on the shear bond strength of orthodontic brackets in-vitro. Materials and methods: Fifty natural human premolars were used in this study. The sample was randomly divided into five groups (10 teeth in each group) as follows: Group 1: control group with no intervention, group 2: SDF application before enamel etching, group 3: SDF application after enamel etching, group 4: DL application before enamel etching, group 5: DL application after enamel etching. Then the bonding procedure followed. Each specimen was tested to failure in shear mode. After debonding, the adhesive remnant index (ARI) was calculated. Results: The mean shear bond strength of the orthodontic brackets when DL was applied after enamel etching was significantly higher than the other intervention groups but lower than that of the control group. SDF groups and DL group applied before enamel etching had the least mean shear bond strength with no statistically significant difference among them. ARI scores for the different groups indicated no significant differences in their distribution frequencies. Conclusions: SDF and DL maintained high shear bond strength to orthodontic brackets. ARI score showed no statistically significant difference in failure site between all groups.","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122044158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2022.177915.1061
Dina Fargal, I. Negm, Dina El Ghoul
Objective to evaluate the effect of platelet rich plasma (PRP) on the rate of maxillary first molars distalization. Materials and methods: twenty class II subjects of age range between 19-30 years who required bilateral maxillary first molars distalization as a part of their orthodontic treatment were randomly allocated into two equal groups: PRP group and control group. Distalization was carried out with a miniscrew implant-aided modified transpalatal bar appliance. The PRP group received PRP injection on the day of distalization appliance placement. Digital models were obtained every four weeks to evaluate the rate of maxillary first molars distal movement for a period of six months. Results: the control group showed a statistically significant higher rate of distal movement of the first molars compared to the PRP group from the third to the sixth month of the study. Conclusion: The PRP did not accelerate the rate of maxillary first molars distalization. It rather decreased the rate of distalization
{"title":"Evaluation of the Effect of Platelet Rich Plasma on the Rate of Maxillary First Molars Distalization; A Randomized Clinical Trial","authors":"Dina Fargal, I. Negm, Dina El Ghoul","doi":"10.21608/eos.2022.177915.1061","DOIUrl":"https://doi.org/10.21608/eos.2022.177915.1061","url":null,"abstract":"Objective to evaluate the effect of platelet rich plasma (PRP) on the rate of maxillary first molars distalization. Materials and methods: twenty class II subjects of age range between 19-30 years who required bilateral maxillary first molars distalization as a part of their orthodontic treatment were randomly allocated into two equal groups: PRP group and control group. Distalization was carried out with a miniscrew implant-aided modified transpalatal bar appliance. The PRP group received PRP injection on the day of distalization appliance placement. Digital models were obtained every four weeks to evaluate the rate of maxillary first molars distal movement for a period of six months. Results: the control group showed a statistically significant higher rate of distal movement of the first molars compared to the PRP group from the third to the sixth month of the study. Conclusion: The PRP did not accelerate the rate of maxillary first molars distalization. It rather decreased the rate of distalization","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131090444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2023.180952.1062
Eman H Elabbassy, Ramy Abdeldayem
Objective: To compare between the skeletal, dental, and soft tissue effects of the splint-supported FFRD and Class II intermaxillary elastics in growing patients with mild to moderate skeletal Class II malocclusion. Material and methods: The Data of 20 growing females who were treated with either the splint-supported FFRD (10 patients, mean age 12.37+0.79) or Class II intermaxillary elastics (10 patients, mean age 12.55+0,88) were retrieved. They were treated till reaching an edge-to edge incisor relationship. Pretreatment and posttreatment cephalometric radiographs were traced and analyzed to compare between the 2 groups. Results: The splint-supported FFRD showed some skeletal effects represented by significant decrease in SNA angle (-0.88+0.37), minor advancement of the mandible (SNB=0.52+0.27), and significant reduction in the ANB angle (-1.31+0.55). No statistically significant skeletal effects were found in the Class II elastics group. The maxillary incisors were more significantly retroclined in the splint-supported FFRD while more extruded in the Class II elastics group. The Class II elastics group showed more proclination of the mandibular incisors (11.75+6.78) compared to (8.88+1.35) in the splint-supported FFRD group, more extrusion of the lower molars
{"title":"Splint-Supported Forsus Fatigue Resistant Device Versus Class II Intermaxillary elastics For The Correction Of Class II Malocclusion ; A Retrospective Study","authors":"Eman H Elabbassy, Ramy Abdeldayem","doi":"10.21608/eos.2023.180952.1062","DOIUrl":"https://doi.org/10.21608/eos.2023.180952.1062","url":null,"abstract":"Objective: To compare between the skeletal, dental, and soft tissue effects of the splint-supported FFRD and Class II intermaxillary elastics in growing patients with mild to moderate skeletal Class II malocclusion. Material and methods: The Data of 20 growing females who were treated with either the splint-supported FFRD (10 patients, mean age 12.37+0.79) or Class II intermaxillary elastics (10 patients, mean age 12.55+0,88) were retrieved. They were treated till reaching an edge-to edge incisor relationship. Pretreatment and posttreatment cephalometric radiographs were traced and analyzed to compare between the 2 groups. Results: The splint-supported FFRD showed some skeletal effects represented by significant decrease in SNA angle (-0.88+0.37), minor advancement of the mandible (SNB=0.52+0.27), and significant reduction in the ANB angle (-1.31+0.55). No statistically significant skeletal effects were found in the Class II elastics group. The maxillary incisors were more significantly retroclined in the splint-supported FFRD while more extruded in the Class II elastics group. The Class II elastics group showed more proclination of the mandibular incisors (11.75+6.78) compared to (8.88+1.35) in the splint-supported FFRD group, more extrusion of the lower molars","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115012720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2022.136533.1048
Y. Shahabi, Nazir Ahmad, Imran Tajik, Almamoon Khan
Objective: To determine the association between molars angulation, anterior crowding and dental inclinations Methods: This descriptive cross sectional study was conducted from June 2020 to August 2020. Pre treatment records (lateral cephalograms and dental casts) of 82 individuals were selected from the database of the Orthodontics Department. Angulation of molars and incisors inclination was evaluated from the lateral cephalograms. Anterior dental crowding in upper and lower arches was measured with the help of digital calipers using Little,s irregularity index. Correlation among molars angulation, anterior dental crowding and incisor inclination was measured with the help of Pearson,s product moment correlation. Results: Out of 82 patients 39 were males and 42 were females. Mean age of the patients was 17 + 3 years. Results showed that a positive but insignificant correlation was found between angulation of upper and lower molar and anterior dental crowding. A positive and significant correlation was found between angulation upper 1 st molar and upper incisors inclination. Similar relationship was also determined between lower 1 st molars and lower incisor inclinations. Conclusions: It was concluded that there was no association between the angulation of posterior teeth and anterior crowding in both arches. Also the angulation of incisors changed according to the angulation of molars in both arches.
{"title":"Association Of Molar Angulation With Anterior Crowding And Dental Inclinations","authors":"Y. Shahabi, Nazir Ahmad, Imran Tajik, Almamoon Khan","doi":"10.21608/eos.2022.136533.1048","DOIUrl":"https://doi.org/10.21608/eos.2022.136533.1048","url":null,"abstract":"Objective: To determine the association between molars angulation, anterior crowding and dental inclinations Methods: This descriptive cross sectional study was conducted from June 2020 to August 2020. Pre treatment records (lateral cephalograms and dental casts) of 82 individuals were selected from the database of the Orthodontics Department. Angulation of molars and incisors inclination was evaluated from the lateral cephalograms. Anterior dental crowding in upper and lower arches was measured with the help of digital calipers using Little,s irregularity index. Correlation among molars angulation, anterior dental crowding and incisor inclination was measured with the help of Pearson,s product moment correlation. Results: Out of 82 patients 39 were males and 42 were females. Mean age of the patients was 17 + 3 years. Results showed that a positive but insignificant correlation was found between angulation of upper and lower molar and anterior dental crowding. A positive and significant correlation was found between angulation upper 1 st molar and upper incisors inclination. Similar relationship was also determined between lower 1 st molars and lower incisor inclinations. Conclusions: It was concluded that there was no association between the angulation of posterior teeth and anterior crowding in both arches. Also the angulation of incisors changed according to the angulation of molars in both arches.","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123689169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2022.162199.1055
Almamoon Khan, Nazir Ahmad, Imran Tajik, Yasir Ibad Shahabi, Kosar Bahadur
: Objective: Clinical preformed arch wires are routinely used by the orthodontist irrespective of the face types which raises a question on post treatment stability, esthetics, and periodontal health. The purpose of this study was to find out the association between soft tissue facial form and arch form and to find out particular arch form for particular face form. Material & Methods: Three hundred untreated adults (140 males and 160 females) whose initial records were taken for orthodontic treatment were included in this study. Mean age of the patient was 20 ±4 years. The subjects were classified into three different groups on the basis of soft tissue facial form. Soft tissue facial form was determined using Adobe photoshop and each subject was assigned to one of the three group according to facial index. Arch form was determined by the of method occlusogram and arch forms were divided into three groups, tapered, ovoid and square. Results: Regarding the distribution of facial form in the entire sample of 300 subjects, 39 percent of the individuals had mesofacial soft tissue facial form followed by dolichofacial (34%) and brachyfacial (27%). Considering the entire sample size, the most frequent arch form in maxilla was tapered and ovoid in mandible. In dolichofacial individuals the most predominant arch form was tapered while in brachyfacial individuals, square arch form was common. Mesofacial soft tissue facial form shows the predominance of both square and ovoid arch forms. The overall result shows a non-significant association between facial form and arch form. Conclusion: No significant association was found between soft tissue facial form and dental arch form.
{"title":"Association Of Soft Tissue Facial Form & Dental Arch Form: A Cross Sectional Comparative Study","authors":"Almamoon Khan, Nazir Ahmad, Imran Tajik, Yasir Ibad Shahabi, Kosar Bahadur","doi":"10.21608/eos.2022.162199.1055","DOIUrl":"https://doi.org/10.21608/eos.2022.162199.1055","url":null,"abstract":": Objective: Clinical preformed arch wires are routinely used by the orthodontist irrespective of the face types which raises a question on post treatment stability, esthetics, and periodontal health. The purpose of this study was to find out the association between soft tissue facial form and arch form and to find out particular arch form for particular face form. Material & Methods: Three hundred untreated adults (140 males and 160 females) whose initial records were taken for orthodontic treatment were included in this study. Mean age of the patient was 20 ±4 years. The subjects were classified into three different groups on the basis of soft tissue facial form. Soft tissue facial form was determined using Adobe photoshop and each subject was assigned to one of the three group according to facial index. Arch form was determined by the of method occlusogram and arch forms were divided into three groups, tapered, ovoid and square. Results: Regarding the distribution of facial form in the entire sample of 300 subjects, 39 percent of the individuals had mesofacial soft tissue facial form followed by dolichofacial (34%) and brachyfacial (27%). Considering the entire sample size, the most frequent arch form in maxilla was tapered and ovoid in mandible. In dolichofacial individuals the most predominant arch form was tapered while in brachyfacial individuals, square arch form was common. Mesofacial soft tissue facial form shows the predominance of both square and ovoid arch forms. The overall result shows a non-significant association between facial form and arch form. Conclusion: No significant association was found between soft tissue facial form and dental arch form.","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"211 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123274434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2022.173389.1057
Ahmed Fouda, Ibrahim M. Abd-elgawad
Introduction: Treatment planning is crucial for proper tooth alignment in a mixed dentition stage. An examination of the mixed dentition should be able to predict the mesiodistal widths of the unerupted permanent teeth. Overestimating of width for unerupted teeth could increase the space required and lead to unnecessary extractions. Design: Cross-sectional study. Participants: This study included 307 subjects (148 males and 159 females) aged from 16 to 22 years. Material and methods: Digital Vernier calipers was used to measure Mesio-distal tooth width on study cast Measurements of the predicted width of canine and premolars according to Moyer’s prediction tables were compared with the measured values on plater models. Results: No statistically significant difference in measured width of upper and lower canine and premolars (UCPM, LCPM, respectively) in male vs. female. Poor reliability (ICC<0.5) for all measures in comparison with the predicted values except for 50 th percentile for females in lower canine & premolars which was moderate (ICC =0.534). Conclusions: The Egyptian population is not consistent with Moyer's prediction tables.
{"title":"Validity Of Moyers`s Mixed Dentition Analysis For Egyptians","authors":"Ahmed Fouda, Ibrahim M. Abd-elgawad","doi":"10.21608/eos.2022.173389.1057","DOIUrl":"https://doi.org/10.21608/eos.2022.173389.1057","url":null,"abstract":"Introduction: Treatment planning is crucial for proper tooth alignment in a mixed dentition stage. An examination of the mixed dentition should be able to predict the mesiodistal widths of the unerupted permanent teeth. Overestimating of width for unerupted teeth could increase the space required and lead to unnecessary extractions. Design: Cross-sectional study. Participants: This study included 307 subjects (148 males and 159 females) aged from 16 to 22 years. Material and methods: Digital Vernier calipers was used to measure Mesio-distal tooth width on study cast Measurements of the predicted width of canine and premolars according to Moyer’s prediction tables were compared with the measured values on plater models. Results: No statistically significant difference in measured width of upper and lower canine and premolars (UCPM, LCPM, respectively) in male vs. female. Poor reliability (ICC<0.5) for all measures in comparison with the predicted values except for 50 th percentile for females in lower canine & premolars which was moderate (ICC =0.534). Conclusions: The Egyptian population is not consistent with Moyer's prediction tables.","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130606718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.21608/eos.2023.202537.1067
Ahmed El Rashidy, W. Refai
Objective : this clinical trial was designed to assess the accuracy of bracket placement by indirect bonding by using three dimensional imaging and steroelithographic printing technique. Materials and methods: a clinical trial was held on ten patients were planned to be bonded by full digital indirect bonding tray for upper arch. Intra- oral scanning of each patient was held after indirect bonding to get STL file for evaluation. Vertical brackets positions of total 120 brackets bonded were measured and evaluated. Intra class correlation and Bland Altman plot test were used to assess the accuracy of vertical bracket position of the full digital transfer tray. Results: considering the whole units (120 units), excellent reliability and internal consistency (ICC>0.9) with p value < 0.001* with High level of agreement P value =0.089. For lateral incisors, canines and premolar groups, there was good reliability (0.9> ICC>0.75) with high level of agreement with p value = 0.068, 0.706 and 0.794 in order. An acceptable reliability (0.75>ICC>0.5) was found in central incisors and molars groups. The central incisors and molars groups exhibited a proportional bias in agreement test with by P value 0.047 *, 0.019* in order which is clinically insignificant. There was no statistical difference between the mean differences of the five groups P value = 0.185 .with range of mean differences (0.002:0.175) mm which was not clinical significant. Conclusion: this protocol transferred the planed vertical brackets position from the virtual setup to the patient was generally highly accurate and reliable technique.
{"title":"Accuracy Assessment Of Bracket Placement By Indirect Bonding Technique Using Three-Dimensional Imaging And Steroelithographic Printing Technique","authors":"Ahmed El Rashidy, W. Refai","doi":"10.21608/eos.2023.202537.1067","DOIUrl":"https://doi.org/10.21608/eos.2023.202537.1067","url":null,"abstract":"Objective : this clinical trial was designed to assess the accuracy of bracket placement by indirect bonding by using three dimensional imaging and steroelithographic printing technique. Materials and methods: a clinical trial was held on ten patients were planned to be bonded by full digital indirect bonding tray for upper arch. Intra- oral scanning of each patient was held after indirect bonding to get STL file for evaluation. Vertical brackets positions of total 120 brackets bonded were measured and evaluated. Intra class correlation and Bland Altman plot test were used to assess the accuracy of vertical bracket position of the full digital transfer tray. Results: considering the whole units (120 units), excellent reliability and internal consistency (ICC>0.9) with p value < 0.001* with High level of agreement P value =0.089. For lateral incisors, canines and premolar groups, there was good reliability (0.9> ICC>0.75) with high level of agreement with p value = 0.068, 0.706 and 0.794 in order. An acceptable reliability (0.75>ICC>0.5) was found in central incisors and molars groups. The central incisors and molars groups exhibited a proportional bias in agreement test with by P value 0.047 *, 0.019* in order which is clinically insignificant. There was no statistical difference between the mean differences of the five groups P value = 0.185 .with range of mean differences (0.002:0.175) mm which was not clinical significant. Conclusion: this protocol transferred the planed vertical brackets position from the virtual setup to the patient was generally highly accurate and reliable technique.","PeriodicalId":305086,"journal":{"name":"Egyptian Orthodontic Journal","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128514252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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