Pub Date : 2022-05-05DOI: 10.26650/eor.20221057985
Gulsum Duruk, Tamara Pelin Gundogdu Ozdal, Sacide Duman
Purpose: Dental age assessment is one of the most reliable methods of chronological age estimation used for criminal, forensic and anthropologic purposes. This study aimed to determine how accurate it was to estimate the chronological age by looking at the dental age measured with the Nolla and Demirjian methods in a Turkish sample, based on the variables of gender and age-group.
Materials and methods: A retrospective study was performed on panoramic radiographs of 1587 subjects (774 females and 813 males), aged 3-17 years. The mean dental age according to the Demirjian and Nolla methods were compared to the mean chronological age (CA). Also, the percentage value of prediction of CA was determined by using the both methods.
Results: An under-estimation of the chronological age was observed by using Nolla's method (males -0.003, females -0.32, both -0.16) and an over-estimation of the dental age was observed by using Demirjian's method (males 0.61, females 0.75,both 0.68).
Conclusion: Nolla's method was more accurate in the CA estimation than Demirjian's method in Eastern Turkish population.
{"title":"Accuracy of age estimation with Demirjian and Nolla methods in Eastern Turkish children aged 3-17 years old.","authors":"Gulsum Duruk, Tamara Pelin Gundogdu Ozdal, Sacide Duman","doi":"10.26650/eor.20221057985","DOIUrl":"https://doi.org/10.26650/eor.20221057985","url":null,"abstract":"<p><strong>Purpose: </strong>Dental age assessment is one of the most reliable methods of chronological age estimation used for criminal, forensic and anthropologic purposes. This study aimed to determine how accurate it was to estimate the chronological age by looking at the dental age measured with the Nolla and Demirjian methods in a Turkish sample, based on the variables of gender and age-group.</p><p><strong>Materials and methods: </strong>A retrospective study was performed on panoramic radiographs of 1587 subjects (774 females and 813 males), aged 3-17 years. The mean dental age according to the Demirjian and Nolla methods were compared to the mean chronological age (CA). Also, the percentage value of prediction of CA was determined by using the both methods.</p><p><strong>Results: </strong>An under-estimation of the chronological age was observed by using Nolla's method (males -0.003, females -0.32, both -0.16) and an over-estimation of the dental age was observed by using Demirjian's method (males 0.61, females 0.75,both 0.68).</p><p><strong>Conclusion: </strong>Nolla's method was more accurate in the CA estimation than Demirjian's method in Eastern Turkish population.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d2/85/eor-056-080.PMC9377772.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40653159","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}
Ozlem Sivas Yilmaz, Cangül Keskin, Duygu Hazal Acar, Hikmet Aydemir
Purpose: Postoperative pain is a common complication in endodontics contributed by multiple etiological factors, which consist canal preparation instruments and kinematics. The aim of this randomized clinical trial compare the postoperative pain in terms of intensity and incidence after the use of different nickel titanium (NiTi) file systems.
Patients and methods: In this randomized clinical trial (NCT03791762), a total of 150 patients were root canal treated by 2 experienced endodontists according to a standardised protocol. The subjects were randomly assigned to 1 of the 3 groups according to preparation instrument used: ProTaper Next (Dentsply Sirona, Ballaigues, Switzerland), Reciproc Blue (VDW, Munich, Germany) and WaveOne Gold (Dentsply Sirona). Following preparation the teeth underwent standardized root canal treatment procedures in a single visit. The patients were contacted to gather information about the incidence of pain and intensity at 6th, 12th, 18th, 24th, 48th, and 72nd hours postoperatively. The data were analysed using chi-square, one-way analysis of variance and post hoc Tukey tests and logistic regression analysis with 5% significance threshold.
Results: No significant difference was found among preparation groups in relation to the intensity of postoperative pain. The incidence of postoperative pain was significantly linked with the preoperative pain presence with odds ratio values ranging between 2.06 and 4.08 irrespective of the preparation technique (P<0.05).
Conclusion: The effects of reciprocating and the continuous rotary systems on the intensity and incidence of postoperative pain were found to be similar.
目的:术后疼痛是牙髓学中常见的并发症，由多种病因引起，包括根管预备器械和运动学因素。本随机临床试验的目的是比较使用不同镍钛(NiTi)文件系统后术后疼痛的强度和发生率。患者和方法:在这项随机临床试验(NCT03791762)中，共有150名患者由2名经验丰富的牙髓医生根据标准化方案进行根管治疗。根据使用的制备工具，将受试者随机分为3组:ProTaper Next (Dentsply Sirona, Ballaigues, Switzerland)、Reciproc Blue (VDW, Munich, Germany)和WaveOne Gold (Dentsply Sirona)。预备后的牙齿在一次访问中进行标准化的根管治疗程序。分别于术后第6、12、18、24、48、72小时联系患者，了解疼痛发生率和强度。数据分析采用卡方、单因素方差分析、事后Tukey检验和5%显著性阈值的logistic回归分析。结果:各制剂组术后疼痛程度无明显差异。术后疼痛发生率与术前疼痛存在显著相关，且不论采用何种准备技术，比值比均在2.06 ~ 4.08之间(结论:往复和连续旋转系统对术后疼痛强度和发生率的影响相似)。
{"title":"Comparison of postoperative pain after the use of different nickel titanium instrumentation systems: a randomized clinical trial.","authors":"Ozlem Sivas Yilmaz, Cangül Keskin, Duygu Hazal Acar, Hikmet Aydemir","doi":"10.26650/eor.2022873271","DOIUrl":"https://doi.org/10.26650/eor.2022873271","url":null,"abstract":"<p><strong>Purpose: </strong>Postoperative pain is a common complication in endodontics contributed by multiple etiological factors, which consist canal preparation instruments and kinematics. The aim of this randomized clinical trial compare the postoperative pain in terms of intensity and incidence after the use of different nickel titanium (NiTi) file systems.</p><p><strong>Patients and methods: </strong>In this randomized clinical trial (NCT03791762), a total of 150 patients were root canal treated by 2 experienced endodontists according to a standardised protocol. The subjects were randomly assigned to 1 of the 3 groups according to preparation instrument used: ProTaper Next (Dentsply Sirona, Ballaigues, Switzerland), Reciproc Blue (VDW, Munich, Germany) and WaveOne Gold (Dentsply Sirona). Following preparation the teeth underwent standardized root canal treatment procedures in a single visit. The patients were contacted to gather information about the incidence of pain and intensity at 6th, 12th, 18th, 24th, 48th, and 72nd hours postoperatively. The data were analysed using chi-square, one-way analysis of variance and post hoc Tukey tests and logistic regression analysis with 5% significance threshold.</p><p><strong>Results: </strong>No significant difference was found among preparation groups in relation to the intensity of postoperative pain. The incidence of postoperative pain was significantly linked with the preoperative pain presence with odds ratio values ranging between 2.06 and 4.08 irrespective of the preparation technique (P<0.05).</p><p><strong>Conclusion: </strong>The effects of reciprocating and the continuous rotary systems on the intensity and incidence of postoperative pain were found to be similar.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/1d/d8/eor-056-102.PMC9377776.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40653157","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}
Purpose: Several studies agree that an abnormal maxilla-mandible relationship correlates better as an Obstructive Sleep Apnea (OSA) predictor, rather than obesity. One of the orthodontic therapies recommended for this kind of craniofacial deformity is to advance the mandible forward with an orthodontic activator, therefore, the aim of this study is to determine if healthy children that use this appliance experience a widening of the upper airway as well as an improvement in their sleep-breathing patterns.
Materials and methods: 39 healthy children, 20 for activator group (10 boys and 10 girls, 4 mean age 10.9 + 0.9; BMI 16.2 + 1.4), 19 for control group (13 boys and 6 girls, mean age 5 9.8 + 1.4; BMI 17.6 + 2.1) participated in this study. They were required to submit 2 lateral cephalometric radiographs both at initial and final stages of evaluation, and finally three at- home sleep-breathing monitoring results for the activator group and one for the control group.
Results: After radiographic evaluation, it was found that children in the activator group experienced an increase in all measured variables. After evaluation with the sleep monitor, an improvement of sleep-breathing was found in children from the activator group (p<0.05).
Conclusion: The activator not only provides a harmonious occlusion and proper development of the mandible, but it also helps improve the quality of sleep-breathing through widening of the upper airway and reducing the number of disordered breathing events in children that undergo this therapy.
{"title":"Changes in airway patency and sleep-breathing in healthy skeletal Class II children undergoing functional activator therapy.","authors":"Cynthia Concepción Medina, Hiroshi Ueda, Koji Iwai, Ryo Kunimatsu, Kotaro Tanimoto","doi":"10.26650/eor.2022807392","DOIUrl":"https://doi.org/10.26650/eor.2022807392","url":null,"abstract":"<p><strong>Purpose: </strong>Several studies agree that an abnormal maxilla-mandible relationship correlates better as an Obstructive Sleep Apnea (OSA) predictor, rather than obesity. One of the orthodontic therapies recommended for this kind of craniofacial deformity is to advance the mandible forward with an orthodontic activator, therefore, the aim of this study is to determine if healthy children that use this appliance experience a widening of the upper airway as well as an improvement in their sleep-breathing patterns.</p><p><strong>Materials and methods: </strong>39 healthy children, 20 for activator group (10 boys and 10 girls, 4 mean age 10.9 + 0.9; BMI 16.2 + 1.4), 19 for control group (13 boys and 6 girls, mean age 5 9.8 + 1.4; BMI 17.6 + 2.1) participated in this study. They were required to submit 2 lateral cephalometric radiographs both at initial and final stages of evaluation, and finally three at- home sleep-breathing monitoring results for the activator group and one for the control group.</p><p><strong>Results: </strong>After radiographic evaluation, it was found that children in the activator group experienced an increase in all measured variables. After evaluation with the sleep monitor, an improvement of sleep-breathing was found in children from the activator group (p<0.05).</p><p><strong>Conclusion: </strong>The activator not only provides a harmonious occlusion and proper development of the mandible, but it also helps improve the quality of sleep-breathing through widening of the upper airway and reducing the number of disordered breathing events in children that undergo this therapy.</p>","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/36/ab/eor-056-001.PMC9012217.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10596273","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}
Purpose: The aim of this study is to compare the clinical outcomes of Mineral Trioxide Aggregate (MTA) and calcium hydroxide pulp capping after complete caries removal. Materials and methods: In 73 regular patients (47 women, 26 men; age 20.65±3.02 years), having at least one deep carious lesion was recruited. Following complete caries removal, the pulp was indirectly capped with either MTA(n=51) or calcium hydroxide (n =49), randomly. Final restoration with a resin-based composite in a single session was performed. Clinical parameters including pulp vitality, sensitivity to cold or heat stimulants, percussion tests and discomfort during chewing and color were recorded after 6 months, 1 year, 2- year, 3- year and 4- year. Data were analysed statistically (p<0.05). Results: After 4- year, the survival rates were 86% (for MTA), and 82.9% (for calcium hydroxide). Totally, 8 teeth from calcium hydroxide group and 7 teeth from MTA group were endodontically treated. No significant difference was detected between the groups in terms of pulp vitality (p=0.613). Grey discoloration rate was 63% in MTA group. Conclusion: Both pulp-capping materials, MTA and calcium hydroxide showed similar clinically successful performance in terms of pulp vitality in the treatment of deep dentin caries lesions after 4- year.
{"title":"Which is the most effective biomaterial in indirect pulp capping? 4- year comparative randomized clinical trial","authors":"U. Koç Vural, A. Kiremitçi, S. Gokalp","doi":"10.26650/eor.2022895748","DOIUrl":"https://doi.org/10.26650/eor.2022895748","url":null,"abstract":"Purpose: The aim of this study is to compare the clinical outcomes of Mineral Trioxide Aggregate (MTA) and calcium hydroxide pulp capping after complete caries removal. Materials and methods: In 73 regular patients (47 women, 26 men; age 20.65±3.02 years), having at least one deep carious lesion was recruited. Following complete caries removal, the pulp was indirectly capped with either MTA(n=51) or calcium hydroxide (n =49), randomly. Final restoration with a resin-based composite in a single session was performed. Clinical parameters including pulp vitality, sensitivity to cold or heat stimulants, percussion tests and discomfort during chewing and color were recorded after 6 months, 1 year, 2- year, 3- year and 4- year. Data were analysed statistically (p<0.05). Results: After 4- year, the survival rates were 86% (for MTA), and 82.9% (for calcium hydroxide). Totally, 8 teeth from calcium hydroxide group and 7 teeth from MTA group were endodontically treated. No significant difference was detected between the groups in terms of pulp vitality (p=0.613). Grey discoloration rate was 63% in MTA group. Conclusion: Both pulp-capping materials, MTA and calcium hydroxide showed similar clinically successful performance in terms of pulp vitality in the treatment of deep dentin caries lesions after 4- year.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44373423","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}
Purpose: This study aimed to determine the expression of Bone Morphogenic Protein-4 (BMP-4) in dentigerous cyst (DC), unicystic-ameloblastoma (UA), and Multicysticameloblastoma (MA), and assess whether this marker can be a differentiation measure. Materials and methods: This study included 30 DC, 30 UA, and 30 MA blocks if the histopathologic diagnosis of the lesion was definitive, the clinical information and medical records were complete, and the microscopic slides and the paraffin block were available. Age, gender, and location of the lesion were recorded. The samples were analyzed after the immunohistochemical staining (Envision technique). BMP-4 marker was evaluated and reported using Intensity Score (IS), Proportional Score (PS), and Total score (TS). The data were analyzed using SPSS version 21.0. Kruskal-Wallis and Mann-Whitney U tests were applied at the significance level of 0.05. Results: In this study, DCs, UA, and MA had a significant tendency to occur in males compared to females (p<0.001, p<0.001, and p<0.001 respectively), and in the mandible compared to the maxilla (p=0.02, p=0.024, and p=0.02 respectively). The epithelial IS was significantly different among three lesions (p<0.001). IS was higher in MA than UA and DC (p<0.001 and p=0.006, respectively). The IS was not significantly different among the three lesions in connective tissue and around micro-vessels (p=0.3 and p=0.26 respectively). The PS in the epithelium and connective tissue of DC, UA, and MA had no statistical difference (p=0.549 and p=0.540 respectively). The epithelial TS was statistically different among DC, UA, and MA (p<0.001). The TS was higher in UA than MA and DC (p=0.004 and p<0.001 respectively). Conclusion: The expression of BMP-4 in the epithelium was higher in ameloblastoma compared to DCs. BMP-4 is a potential measure to differentiate different types of ameloblastoma and dentigerous cyst. The differentiation of these lesions is important as the right treatment plan changes according to the diagnosis.
{"title":"Expression of BMP-4 in dentigerous cyst and ameloblastoma: Is it a differentiation measure?","authors":"S. Sargolzaei, D. Maleki, Maryam Zohary","doi":"10.26650/eor.2022903844","DOIUrl":"https://doi.org/10.26650/eor.2022903844","url":null,"abstract":"Purpose: This study aimed to determine the expression of Bone Morphogenic Protein-4 (BMP-4) in dentigerous cyst (DC), unicystic-ameloblastoma (UA), and Multicysticameloblastoma (MA), and assess whether this marker can be a differentiation measure. Materials and methods: This study included 30 DC, 30 UA, and 30 MA blocks if the histopathologic diagnosis of the lesion was definitive, the clinical information and medical records were complete, and the microscopic slides and the paraffin block were available. Age, gender, and location of the lesion were recorded. The samples were analyzed after the immunohistochemical staining (Envision technique). BMP-4 marker was evaluated and reported using Intensity Score (IS), Proportional Score (PS), and Total score (TS). The data were analyzed using SPSS version 21.0. Kruskal-Wallis and Mann-Whitney U tests were applied at the significance level of 0.05. Results: In this study, DCs, UA, and MA had a significant tendency to occur in males compared to females (p<0.001, p<0.001, and p<0.001 respectively), and in the mandible compared to the maxilla (p=0.02, p=0.024, and p=0.02 respectively). The epithelial IS was significantly different among three lesions (p<0.001). IS was higher in MA than UA and DC (p<0.001 and p=0.006, respectively). The IS was not significantly different among the three lesions in connective tissue and around micro-vessels (p=0.3 and p=0.26 respectively). The PS in the epithelium and connective tissue of DC, UA, and MA had no statistical difference (p=0.549 and p=0.540 respectively). The epithelial TS was statistically different among DC, UA, and MA (p<0.001). The TS was higher in UA than MA and DC (p=0.004 and p<0.001 respectively). Conclusion: The expression of BMP-4 in the epithelium was higher in ameloblastoma compared to DCs. BMP-4 is a potential measure to differentiate different types of ameloblastoma and dentigerous cyst. The differentiation of these lesions is important as the right treatment plan changes according to the diagnosis.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49063944","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}
Purpose: Children with acute rheumatic fever (ARF) or using depot-penicillin because of rheumatic heart disease (RHD) are prone to the risk of infective endocarditis (IE) and poor oral hygiene. This cross-sectional study aimed to investigate oral health experiences of a group of healthy children and a group of children with ARF or who were using depot-penicillin because of RHD (study group). Materials and methods: Medical and dental data of 86 children aged between 5-12 years were investigated in this study. Medical histories, decayed, missing, and filled teeth, plaque index, gingival index, toothbrushing frequencies, and the study and healthy groups’ socioeconomic levels were recruited and examined. Results: The ‘dmft’ of the study and healthy groups were found to be 5.51±3.81 and 2.37±2.31, respectively, while the ‘DMFT’ of the study and healthy groups were 1.71±2.28 and 1.06±1.59, respectively. There was no significant difference between the gingival indexes of the study group 0.89±0.39 and the healthy group 0.62± 1.03 (p=0.112). Nevertheless, the groups significantly differed regarding the plaque index, which were 0.87±0.40 and 0.45±0.41, respectively (p<0.001). The tooth brushing frequencies in the study and healthy groups being twice a day or more were 23.3% and 46.5%, respectively. Conclusion: The children with ARF or using depot-penicillin because of RHD had more permanent and primary tooth caries and poorer oral health than the healthy group in this study.
{"title":"Oral health experiences of Turkish children with acute rheumatic fever or rheumatic heart disease","authors":"Aslı Sogukpinar Onsuren, U. Gullu, S. İpek","doi":"10.26650/eor.2022868100","DOIUrl":"https://doi.org/10.26650/eor.2022868100","url":null,"abstract":"Purpose: Children with acute rheumatic fever (ARF) or using depot-penicillin because of rheumatic heart disease (RHD) are prone to the risk of infective endocarditis (IE) and poor oral hygiene. This cross-sectional study aimed to investigate oral health experiences of a group of healthy children and a group of children with ARF or who were using depot-penicillin because of RHD (study group). Materials and methods: Medical and dental data of 86 children aged between 5-12 years were investigated in this study. Medical histories, decayed, missing, and filled teeth, plaque index, gingival index, toothbrushing frequencies, and the study and healthy groups’ socioeconomic levels were recruited and examined. Results: The ‘dmft’ of the study and healthy groups were found to be 5.51±3.81 and 2.37±2.31, respectively, while the ‘DMFT’ of the study and healthy groups were 1.71±2.28 and 1.06±1.59, respectively. There was no significant difference between the gingival indexes of the study group 0.89±0.39 and the healthy group 0.62± 1.03 (p=0.112). Nevertheless, the groups significantly differed regarding the plaque index, which were 0.87±0.40 and 0.45±0.41, respectively (p<0.001). The tooth brushing frequencies in the study and healthy groups being twice a day or more were 23.3% and 46.5%, respectively. Conclusion: The children with ARF or using depot-penicillin because of RHD had more permanent and primary tooth caries and poorer oral health than the healthy group in this study.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47964465","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}
Purpose: This study aimed to evaluate the effects of dentifrices with different fluoride content on color change of restorative materials commonly used in pediatric dentistry. Materials and methods: Three restorative materials (glass hybrid [Equia Forte (EF)], glass carbomer [GCP Glass Fill (GCP)] and compomer [Dyract XP (DXP)]) were used to prepare 120 disc shaped specimens by using a Teflon ring. Four dentifrice groups were created as Sodium Fluoride (NaF), Amine Fluoride (AmF), Stannous Fluoride (SnF2) and no-fluoride (n=40). Simulated tooth brushing was performed for each specimen by applying 6720 strokes for 6 months. Color changes [CIEDE2000 (Δ𝐸00)] were calculated by using generalized linear model procedure and the data were subjected to two-way analysis of variance. Results: The highest color changes for NaF and AmF dentifrice groups were observed in the GCP restorative material (p<0.05). The color changes of restorative materials tested with SnF2 dentifrice group were statistically different (p<0.05) in each restorative material and Δ𝐸00 values were observed as GCP> EF>DXP. SnF2 dentifrice provided better color stability for all restorative materials when compared to NaF and AmF dentifrices; although, this was not statistically significant. GCP underwent significant discoloration values when brushed with all types of dentifrices. Conclusion: Although the glass carbomers caused significant color change, the compomers seem to be more resistant to the color change when brushed with all types of dentifrices. The fluoride content of dentifrices is crucial for the color change of restorative materials.
目的:本研究旨在评价不同氟含量的牙膏对儿童牙科常用修复材料颜色变化的影响。材料与方法:采用三种修复材料(玻璃杂化材料[Equia Forte (EF)]、玻璃卡朋材料[GCP glass Fill (GCP)]和复合材料[Dyract XP (DXP)])，利用聚四氟乙烯环制备120个圆盘状标本。四组牙膏分别为氟化钠(NaF)、氟化胺(AmF)、氟化亚锡(SnF2)和无氟(n=40)。对每个标本进行模拟刷牙，每次刷牙6720次，持续6个月。颜色变化[CIEDE2000 (Δ𝐸00)]采用广义线性模型程序计算，数据进行双向方差分析。结果:在GCP修复材料中，NaF组和AmF组牙体颜色变化最大。与NaF和AmF牙体相比，SnF2牙体对所有修复材料具有更好的颜色稳定性;虽然，这在统计上并不显著。当用各种类型的牙膏刷牙时，GCP有明显的变色值。结论:虽然玻璃卡波姆引起了明显的颜色变化，但用各种类型的牙膏刷牙时，卡波姆对颜色变化的抵抗力似乎更强。牙膏中的氟化物含量对修复材料的颜色变化至关重要。
{"title":"The effects of pediatric dentifrices with different types of fluoride on the color change of restorative materials","authors":"E. Kaya, S. Yıldırım","doi":"10.26650/eor.2022881264","DOIUrl":"https://doi.org/10.26650/eor.2022881264","url":null,"abstract":"Purpose: This study aimed to evaluate the effects of dentifrices with different fluoride content on color change of restorative materials commonly used in pediatric dentistry. Materials and methods: Three restorative materials (glass hybrid [Equia Forte (EF)], glass carbomer [GCP Glass Fill (GCP)] and compomer [Dyract XP (DXP)]) were used to prepare 120 disc shaped specimens by using a Teflon ring. Four dentifrice groups were created as Sodium Fluoride (NaF), Amine Fluoride (AmF), Stannous Fluoride (SnF2) and no-fluoride (n=40). Simulated tooth brushing was performed for each specimen by applying 6720 strokes for 6 months. Color changes [CIEDE2000 (Δ𝐸00)] were calculated by using generalized linear model procedure and the data were subjected to two-way analysis of variance. Results: The highest color changes for NaF and AmF dentifrice groups were observed in the GCP restorative material (p<0.05). The color changes of restorative materials tested with SnF2 dentifrice group were statistically different (p<0.05) in each restorative material and Δ𝐸00 values were observed as GCP> EF>DXP. SnF2 dentifrice provided better color stability for all restorative materials when compared to NaF and AmF dentifrices; although, this was not statistically significant. GCP underwent significant discoloration values when brushed with all types of dentifrices. Conclusion: Although the glass carbomers caused significant color change, the compomers seem to be more resistant to the color change when brushed with all types of dentifrices. The fluoride content of dentifrices is crucial for the color change of restorative materials.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45678078","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}
Esma Sarıçam, Selen İnce Yusufoğlu, M. Küçük, F. Geneci, Mert Ocak, H. Çelik
Purpose: The study aimed to compare four irrigation methods for triple antibiotic paste (TAP) removal using micro-computed tomography (micro-CT) analysis. Materials and methods: Forty bovine central incisor teeth were selected, and the root canals were prepared up to #6 Peeso reamer drills. Equal portions of metronidazole, ciprofloxacin, and minocycline were used for the TAP preparation. The TAP was prepared by mixing the powder with distilled water (with a powder to liquid ratio of 1 mg/1 mL). The TAP was introduced to the canals with a lentulo spiral; then, the access cavities were temporarily sealed. After 21 days of storage, the teeth were randomly divided into four equal groups according to irrigation techniques: open-ended, side-vented, double side-vented needle irrigations and EndoActivator irrigation device. The TAP was removed using 17% EDTA (20 mL) and distilled water (5 mL) for all of the groups. The volume of the intracanal medicament before and after the irrigation procedure was recorded by scanning the samples with micro-CT, and the TAP percentage was calculated. The percentages obtained from each group were compared using ANOVA. The significance level was set at p<0.05. Results: The results showed that there was no statistically significant difference among the TAP percentage volumes removed by the different irrigation techniques. Conclusion: The irrigation techniques used in this study showed similar TAP removal efficiency, however, they could not completely remove the TAP from the root canal systems.
{"title":"Micro-computed tomography assessment of triple antibiotic paste removal using different irrigation methods","authors":"Esma Sarıçam, Selen İnce Yusufoğlu, M. Küçük, F. Geneci, Mert Ocak, H. Çelik","doi":"10.26650/eor.2022200002","DOIUrl":"https://doi.org/10.26650/eor.2022200002","url":null,"abstract":"Purpose: The study aimed to compare four irrigation methods for triple antibiotic paste (TAP) removal using micro-computed tomography (micro-CT) analysis. Materials and methods: Forty bovine central incisor teeth were selected, and the root canals were prepared up to #6 Peeso reamer drills. Equal portions of metronidazole, ciprofloxacin, and minocycline were used for the TAP preparation. The TAP was prepared by mixing the powder with distilled water (with a powder to liquid ratio of 1 mg/1 mL). The TAP was introduced to the canals with a lentulo spiral; then, the access cavities were temporarily sealed. After 21 days of storage, the teeth were randomly divided into four equal groups according to irrigation techniques: open-ended, side-vented, double side-vented needle irrigations and EndoActivator irrigation device. The TAP was removed using 17% EDTA (20 mL) and distilled water (5 mL) for all of the groups. The volume of the intracanal medicament before and after the irrigation procedure was recorded by scanning the samples with micro-CT, and the TAP percentage was calculated. The percentages obtained from each group were compared using ANOVA. The significance level was set at p<0.05. Results: The results showed that there was no statistically significant difference among the TAP percentage volumes removed by the different irrigation techniques. Conclusion: The irrigation techniques used in this study showed similar TAP removal efficiency, however, they could not completely remove the TAP from the root canal systems.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41486296","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}
Purpose: The aim of this study is to determine the prevalence of smile types in spontaneous smiles among a Turkish population aged 18–23 and to compare it with the prevalence of static smiles. Materials and methods: This study was carried out with 150 undergraduate students at Başkent University Faculty of Dentistry (75 females, 75 males). For this purpose, photo recordings for static smiles and 20-second video recordings for dynamic smiles were taken 40 cm from the participant’s nose. Measurements were made with an electronic ruler. Results: High smile line was found to be the highest prevalence in both static and dynamic smiles (p<0.001). The average soft tissue display is higher in dynamic smiles (p<0.05). In both static and dynamic smiles, the average amount of gingival display was higher in females than in males (p<0.05). Conclusion: When the smile line was evaluated on the photograph recordings while the patient was posing, it was found to be lower than the natural spontaneous smile line obtained from the video recordings. Since the gingival display increases when patients smile naturally instead of posing, clinical evaluations and restorative considerations should be planned according to the dynamic smile.
{"title":"Analysis of gingival display during static and dynamic smiles in a Turkish sample: A clinical study","authors":"O. Arifagaoglu, U. Yilmaz","doi":"10.26650/eor.2022888850","DOIUrl":"https://doi.org/10.26650/eor.2022888850","url":null,"abstract":"Purpose: The aim of this study is to determine the prevalence of smile types in spontaneous smiles among a Turkish population aged 18–23 and to compare it with the prevalence of static smiles. Materials and methods: This study was carried out with 150 undergraduate students at Başkent University Faculty of Dentistry (75 females, 75 males). For this purpose, photo recordings for static smiles and 20-second video recordings for dynamic smiles were taken 40 cm from the participant’s nose. Measurements were made with an electronic ruler. Results: High smile line was found to be the highest prevalence in both static and dynamic smiles (p<0.001). The average soft tissue display is higher in dynamic smiles (p<0.05). In both static and dynamic smiles, the average amount of gingival display was higher in females than in males (p<0.05). Conclusion: When the smile line was evaluated on the photograph recordings while the patient was posing, it was found to be lower than the natural spontaneous smile line obtained from the video recordings. Since the gingival display increases when patients smile naturally instead of posing, clinical evaluations and restorative considerations should be planned according to the dynamic smile.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46707692","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}
Purpose: This study aimed to compare the efficiency of placement technique on internal adaptation, gap formation and microshear bond strength (SBS) of bulk-fill composite resin materials. Materials and methods: Standardized class V cavities were prepared for microcomputed tomography (mCT) test and divided into four groups (n=12) as follows: Group SDR: Smart Dentin Replacement system/bulk fill; Group SF2: Sonic-Fill system/bulk fill sonic-activated composite placement system; Group CHU: Herculite-XRV-Ultra composite resin inserted with Compothixo/sonic-vibrated composite resin placement system; Group HIT: Herculite-XRV-Ultra composite resin applied with incremental technique. Self-etch adhesive (Optibond-XTR) was used for bonding in all groups. After 10000 thermocycling, mCT scans were taken to reveal gap formation at the toothrestoration interface and universal testing machine was used to test microshear bond strength SBS values (n=10). ANOVA, post-hoc Bonferroni and Tukey HSD tests were used for evaluating the gap formation and SBS values p=0.05. Results: SF2 and CHU showed the best adaptability compared with both SDR and HIT. The difference between groups SDR and HIT was statistically significant (p<0.05).SBS values were found to be the highest for SF2, and the lowest for HIT groups (p>0.05). Conclusion: Bulk-fill composite resins placed either with sonic-activated or sonic-vibrated instrument demonstrated better adaptability, less gap formation and higher bond strength than both the bulk-fill flowable composite and conventional incremental techniques.
{"title":"The effect of composite placement technique on the internal adaptation, gap formation and microshear bond strength","authors":"Cem Peskersoy, D. Recen, H. Kemaloğlu","doi":"10.26650/eor.2022897456","DOIUrl":"https://doi.org/10.26650/eor.2022897456","url":null,"abstract":"Purpose: This study aimed to compare the efficiency of placement technique on internal adaptation, gap formation and microshear bond strength (SBS) of bulk-fill composite resin materials. Materials and methods: Standardized class V cavities were prepared for microcomputed tomography (mCT) test and divided into four groups (n=12) as follows: Group SDR: Smart Dentin Replacement system/bulk fill; Group SF2: Sonic-Fill system/bulk fill sonic-activated composite placement system; Group CHU: Herculite-XRV-Ultra composite resin inserted with Compothixo/sonic-vibrated composite resin placement system; Group HIT: Herculite-XRV-Ultra composite resin applied with incremental technique. Self-etch adhesive (Optibond-XTR) was used for bonding in all groups. After 10000 thermocycling, mCT scans were taken to reveal gap formation at the toothrestoration interface and universal testing machine was used to test microshear bond strength SBS values (n=10). ANOVA, post-hoc Bonferroni and Tukey HSD tests were used for evaluating the gap formation and SBS values p=0.05. Results: SF2 and CHU showed the best adaptability compared with both SDR and HIT. The difference between groups SDR and HIT was statistically significant (p<0.05).SBS values were found to be the highest for SF2, and the lowest for HIT groups (p>0.05). Conclusion: Bulk-fill composite resins placed either with sonic-activated or sonic-vibrated instrument demonstrated better adaptability, less gap formation and higher bond strength than both the bulk-fill flowable composite and conventional incremental techniques.","PeriodicalId":41993,"journal":{"name":"European Oral Research","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49641190","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}
扫码关注我们
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号