Pub Date : 2023-01-01DOI: 10.4103/denthyp.denthyp_45_22
Bernice Teplitsky
There has been an increase in worldwide curiosity regarding how people can become healthier through the intake of natural and organic foods, the reduction of toxins, and the use of natural medicine and dentistry. Holistic dentistry has been practiced for over 40 years in the United States, but it is not recognized as a standard of care by the American Dental Association yet. In fact, holistic dentistry carries a stigma and tends to daunt traditional dentists due to a lack of formal holistic dentistry education in dental school or continuing educational courses. Holistic dentistry is the most comprehensive modern form of dentistry that incorporates traditional teachings. It has numerous advantages and should be included into the field of dentistry both in education and as a standard form of practice.
{"title":"Holistic Dentistry: A Brief Explanation and Overview of Modern Comprehensive Dental Care","authors":"Bernice Teplitsky","doi":"10.4103/denthyp.denthyp_45_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_45_22","url":null,"abstract":"There has been an increase in worldwide curiosity regarding how people can become healthier through the intake of natural and organic foods, the reduction of toxins, and the use of natural medicine and dentistry. Holistic dentistry has been practiced for over 40 years in the United States, but it is not recognized as a standard of care by the American Dental Association yet. In fact, holistic dentistry carries a stigma and tends to daunt traditional dentists due to a lack of formal holistic dentistry education in dental school or continuing educational courses. Holistic dentistry is the most comprehensive modern form of dentistry that incorporates traditional teachings. It has numerous advantages and should be included into the field of dentistry both in education and as a standard form of practice.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"39 - 41"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47571345","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 : 2023-01-01DOI: 10.4103/denthyp.denthyp_145_22
Mays Hasan, Abdalbseet A. Fatalla
Introduction: We aimed to assess how the addition of nano tellurium oxide (TeO2) filler particles affected the elongation percentage, tensile strength, and tear strength of the maxillofacial silicone elastomer. Methods: Thirty samples were created by adding nano TeO2 powder (518.9 nm) at percentages of 0%, 3%, and 5% w/w into the RTV VST-50 silicon elastomer. Elongation percentage, tensile, and tear strength were assessed according to the specifications of ISO 37:2017 using a computerized universal testing device. Data were analyzed with one-way ANOVA and Tukey’s honest significant difference test using MedCalc 20.104. Results: There were statistically significant differences regarding elongation percentage, tensile, and tear strength among study groups (P < 0.001). All of the post hoc comparisons showed statistically significant differences (P ≤ 0.002). Conclusion: The addition of 5% and 3% nano TeO2 filler particle significantly increases the elongation percentage, tensile strength, and tear strength of maxillofacial silicone in comparison with the control group, concentration-dependently.
{"title":"Assessment of Elongation Percentage, Tensile, and Tear Strength of Filler Particles: An In Vitro Study","authors":"Mays Hasan, Abdalbseet A. Fatalla","doi":"10.4103/denthyp.denthyp_145_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_145_22","url":null,"abstract":"Introduction: We aimed to assess how the addition of nano tellurium oxide (TeO2) filler particles affected the elongation percentage, tensile strength, and tear strength of the maxillofacial silicone elastomer. Methods: Thirty samples were created by adding nano TeO2 powder (518.9 nm) at percentages of 0%, 3%, and 5% w/w into the RTV VST-50 silicon elastomer. Elongation percentage, tensile, and tear strength were assessed according to the specifications of ISO 37:2017 using a computerized universal testing device. Data were analyzed with one-way ANOVA and Tukey’s honest significant difference test using MedCalc 20.104. Results: There were statistically significant differences regarding elongation percentage, tensile, and tear strength among study groups (P < 0.001). All of the post hoc comparisons showed statistically significant differences (P ≤ 0.002). Conclusion: The addition of 5% and 3% nano TeO2 filler particle significantly increases the elongation percentage, tensile strength, and tear strength of maxillofacial silicone in comparison with the control group, concentration-dependently.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"22 - 24"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48168254","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 : 2023-01-01DOI: 10.4103/denthyp.denthyp_163_22
Hasanain Alnajm, Biland M. S. Shukri
Introduction: This study aimed to assess the amount of apical extrusion of debris after root canal instrumentation with three different reciprocating single endodontic file systems including R-motion, Edge One Fire, and Reciproc Blue. Methods: Forty-five human upper first molars that were extracted for periodontal reason included in the study and randomly assigned among three study groups (n = 15). Reciproc Blue, R-motion, and Edge One files were used to instrument the palatal root. Amount of apical extrusion of debris was assessed using the empty tube model of Myers and Montgomery. Data were analyzed blindly via one-way ANOVA and the Tukey post hoc test using R. Results: There was statistically significant difference among study groups (p < 0 .001). Post hoc test showed nonsignificant difference among Edge One and Reciproc Blue groups (p = 0.106). The difference between R-motion and Reciproc Blue was marginally significant (p = 0.055). Conclusion: Within the limitations of this study, R-Motion showed the most amount of apically extruded debris followed by Reciproc Blue and Edge One.
{"title":"Assessment of the amount of apically extruded debris using three different reciprocating single endodontic file systems: An ex vivo study","authors":"Hasanain Alnajm, Biland M. S. Shukri","doi":"10.4103/denthyp.denthyp_163_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_163_22","url":null,"abstract":"Introduction: This study aimed to assess the amount of apical extrusion of debris after root canal instrumentation with three different reciprocating single endodontic file systems including R-motion, Edge One Fire, and Reciproc Blue. Methods: Forty-five human upper first molars that were extracted for periodontal reason included in the study and randomly assigned among three study groups (n = 15). Reciproc Blue, R-motion, and Edge One files were used to instrument the palatal root. Amount of apical extrusion of debris was assessed using the empty tube model of Myers and Montgomery. Data were analyzed blindly via one-way ANOVA and the Tukey post hoc test using R. Results: There was statistically significant difference among study groups (p < 0 .001). Post hoc test showed nonsignificant difference among Edge One and Reciproc Blue groups (p = 0.106). The difference between R-motion and Reciproc Blue was marginally significant (p = 0.055). Conclusion: Within the limitations of this study, R-Motion showed the most amount of apically extruded debris followed by Reciproc Blue and Edge One.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"25 - 28"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45538312","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 : 2023-01-01DOI: 10.4103/denthyp.denthyp_170_22
Ahmed Othman, Fawaz Aswad
Introduction: We aimed to evaluate the possible role of the age, occlusion type, type of dentition (full dentition or free-end extensions), and type of temporomandibular disorders (TMD) to predict the presence of pain. Methods: Subjects were selected from volunteer male TMD patients with one partially edentulous jaw from the Baghdad city in 2022. Pain was assessed via the Visual Analogue Scale (VAS). Angle’s and Kennedy’s classifications were employed to assess occlusion and partially edentulous jaw conditions. TMD was assessed using Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) for Clinical and Research Applications. Relationship between pain as ordinal dependent variable and other predictor variables was assessed via ordinal logistic regression using SPSS 26. Results: 240 subjects were assessed for eligibility and 180 TMD patients (mean age 41.1 ± 0.46) were included in the study. The omnibus test showed that the model outperforms the null model (p < 0.001). Disc displacement with reduction (odds ratio: 0.09) and Kennedy’s Class I (odds ratio: 0.42) were statistically significant inverse predictors for pain (p < 0.05). Age (p = 0.66) and Angle’s occlusion type (p = 0.91) were not significant predictors for pain. Conclusion: Probability of pain decreased in disc displacement with reduction and Kennedy’s Class I.
{"title":"Clinical evaluation of the pain predictors among temporomandibular joint disorders patients with full dentition and free-end extensions: An Analytical Cross-Sectional Study","authors":"Ahmed Othman, Fawaz Aswad","doi":"10.4103/denthyp.denthyp_170_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_170_22","url":null,"abstract":"Introduction: We aimed to evaluate the possible role of the age, occlusion type, type of dentition (full dentition or free-end extensions), and type of temporomandibular disorders (TMD) to predict the presence of pain. Methods: Subjects were selected from volunteer male TMD patients with one partially edentulous jaw from the Baghdad city in 2022. Pain was assessed via the Visual Analogue Scale (VAS). Angle’s and Kennedy’s classifications were employed to assess occlusion and partially edentulous jaw conditions. TMD was assessed using Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) for Clinical and Research Applications. Relationship between pain as ordinal dependent variable and other predictor variables was assessed via ordinal logistic regression using SPSS 26. Results: 240 subjects were assessed for eligibility and 180 TMD patients (mean age 41.1 ± 0.46) were included in the study. The omnibus test showed that the model outperforms the null model (p < 0.001). Disc displacement with reduction (odds ratio: 0.09) and Kennedy’s Class I (odds ratio: 0.42) were statistically significant inverse predictors for pain (p < 0.05). Age (p = 0.66) and Angle’s occlusion type (p = 0.91) were not significant predictors for pain. Conclusion: Probability of pain decreased in disc displacement with reduction and Kennedy’s Class I.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"7 - 9"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43971418","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 : 2023-01-01DOI: 10.4103/denthyp.denthyp_139_22
Baraa M. Kadhim, Wasmaa S. Mahmood
Introduction: This study aimed to find out how exposure to gaseous ozone affected heat-cured acrylic resin’s transverse and impact strengths. Methods: Sixty samples of heat-cured acrylic resin were prepared and divided into three subgroups, control, microwave radiation (positive control), and gaseous ozone. Transverse strength and impact strength were evaluated using testing machines. At a level of significance of 5%, data were assessed using one-way analysis of variance (ANOVA) and Tukey’s post hoc test. Results: Transverse strength analysis showed a significant difference among groups (P < 0.001). Post hoc test revealed significant differences between all multiple groups (P < 0.001). Impact strength analysis results showed a non-significant difference among groups (P = 0.13). Conclusion: Within the limits of this research, it is possible to conclude that gaseous ozone exposure improves the transverse strength of heat-cure acrylic resin.
{"title":"Effect of Gaseous Ozone on Transverse and Impact Strengths of Heat Cure Acrylic Resin: An In Vitro Study","authors":"Baraa M. Kadhim, Wasmaa S. Mahmood","doi":"10.4103/denthyp.denthyp_139_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_139_22","url":null,"abstract":"Introduction: This study aimed to find out how exposure to gaseous ozone affected heat-cured acrylic resin’s transverse and impact strengths. Methods: Sixty samples of heat-cured acrylic resin were prepared and divided into three subgroups, control, microwave radiation (positive control), and gaseous ozone. Transverse strength and impact strength were evaluated using testing machines. At a level of significance of 5%, data were assessed using one-way analysis of variance (ANOVA) and Tukey’s post hoc test. Results: Transverse strength analysis showed a significant difference among groups (P < 0.001). Post hoc test revealed significant differences between all multiple groups (P < 0.001). Impact strength analysis results showed a non-significant difference among groups (P = 0.13). Conclusion: Within the limits of this research, it is possible to conclude that gaseous ozone exposure improves the transverse strength of heat-cure acrylic resin.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"13 - 15"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42323267","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 : 2022-10-01DOI: 10.4103/denthyp.denthyp_116_22
H. Zedan, Z. Jafar
Introduction: We aimed to compare solubility between zinc oxide eugenol and zinc oxide eucalyptus. Methods: One hundred and twenty standardized plastic ring molds were constructed and filled with zinc oxide eugenol and zinc oxide eucalyptus. The specimens were allowed to dry for 24 hours and then weighed to the nearest 0.0001 g. Then divided randomly into three groups and immersed in distilled water for 1, 7, and 21 days. Then samples were removed from the solution and allowed to dry for 24 hours. Then they were weighed again, the percentage of weight loss was then determined as solubility. Data analyzed by two-way repeated measures ANOVA and the Tukey’s post-hoc test using MedCalc 20.104. Results: Zinc oxide eucalyptus solubility is more than zinc oxide eugenol. All tests of between-subjects effects and within-subjects effects showed statistically significant differences (P < 0.001). Conclusion: The 1st day results showed solubility of not more than 3% following storage in distilled water which meet the requirements of ISO 6876, where both zinc oxide-eugenol (ZOE) (0.05%) and zinc oxide eucalyptus (0.15%) satisfied these criteria.
{"title":"A Comparison of Solubility Among Zinc Oxide Eucalyptus and Zinc Oxide Eugenol: An In Vitro Study","authors":"H. Zedan, Z. Jafar","doi":"10.4103/denthyp.denthyp_116_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_116_22","url":null,"abstract":"Introduction: We aimed to compare solubility between zinc oxide eugenol and zinc oxide eucalyptus. Methods: One hundred and twenty standardized plastic ring molds were constructed and filled with zinc oxide eugenol and zinc oxide eucalyptus. The specimens were allowed to dry for 24 hours and then weighed to the nearest 0.0001 g. Then divided randomly into three groups and immersed in distilled water for 1, 7, and 21 days. Then samples were removed from the solution and allowed to dry for 24 hours. Then they were weighed again, the percentage of weight loss was then determined as solubility. Data analyzed by two-way repeated measures ANOVA and the Tukey’s post-hoc test using MedCalc 20.104. Results: Zinc oxide eucalyptus solubility is more than zinc oxide eugenol. All tests of between-subjects effects and within-subjects effects showed statistically significant differences (P < 0.001). Conclusion: The 1st day results showed solubility of not more than 3% following storage in distilled water which meet the requirements of ISO 6876, where both zinc oxide-eugenol (ZOE) (0.05%) and zinc oxide eucalyptus (0.15%) satisfied these criteria.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"13 1","pages":"142 - 144"},"PeriodicalIF":0.5,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43341476","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 : 2022-10-01DOI: 10.4103/denthyp.denthyp_86_22
Wisam Salloom, Biland M. S. Shukri
Introduction The goal of this study was to compare the impact of NaOCl, EDTA, and chitosan on the cyclic fatigue of 2Shape, HyFlex EDM, and RACE EVO. Methods A total of 120 new 2Shape (n = 40), HyFlex EDM (n = 40), and RACE EVO (n = 40) files were subdivided randomly into four groups (n = 10): Group (A) with no immersion, Group (B) with immersion in 5.25% NaOCl for 5 min, Group (C) with immersion in 17% EDTA for 5 min, and Group (D) with immersion in 0.2% chitosan for 5 min. The files were rotated in an artificial canal with a 5 mm radius and a 60° curvature at body temperature until they fractured, and the number of cycles to fracture was measured. ANOVA test and Tukey post-hoc test were used to analyze the data. Results Immersion of the files in NaOCl, EDTA, or chitosan solutions had no significant effect on the number of cycles to fracture (P > 0.05). Conclusion The irrigation solutions did not have any influence on the cyclic fatigue of the tested files.
{"title":"Effects of Chitosan, NaOCl, and EDTA Irrigation Solutions on the Cyclic Fatigue Resistance of Three Nickel–Titanium Endodontic Rotary Files: An In Vitro Study","authors":"Wisam Salloom, Biland M. S. Shukri","doi":"10.4103/denthyp.denthyp_86_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_86_22","url":null,"abstract":"Introduction The goal of this study was to compare the impact of NaOCl, EDTA, and chitosan on the cyclic fatigue of 2Shape, HyFlex EDM, and RACE EVO. Methods A total of 120 new 2Shape (n = 40), HyFlex EDM (n = 40), and RACE EVO (n = 40) files were subdivided randomly into four groups (n = 10): Group (A) with no immersion, Group (B) with immersion in 5.25% NaOCl for 5 min, Group (C) with immersion in 17% EDTA for 5 min, and Group (D) with immersion in 0.2% chitosan for 5 min. The files were rotated in an artificial canal with a 5 mm radius and a 60° curvature at body temperature until they fractured, and the number of cycles to fracture was measured. ANOVA test and Tukey post-hoc test were used to analyze the data. Results Immersion of the files in NaOCl, EDTA, or chitosan solutions had no significant effect on the number of cycles to fracture (P > 0.05). Conclusion The irrigation solutions did not have any influence on the cyclic fatigue of the tested files.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"13 1","pages":"121 - 123"},"PeriodicalIF":0.5,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42695010","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 : 2022-10-01DOI: 10.4103/denthyp.denthyp_118_22
Mais Jasim, M. Khalaf
Introduction: We aimed to evaluate the microleakage of composite resin and self-cure glass ionomer (GI) restorations in primary molars when the restorations were applied at the same day of silver diamine fluoride (SDF) treatment, and after 14 days. Methods: Class V cavities made at the buccal surface of 64 deciduous molars. For the experimental group of 32 teeth treated with SDF (eight teeth filled with composite and eight teeth filled with GI after 1 day and 14 days), the remaining 32 teeth without application of SDF served as a control group. All samples were then thermocycled and immersed in 2% methylene before being molded in epoxy resin to facilitate cutting into two sections. The dye penetration was then measured using a stereomicroscope at 20× magnification. Results: Overall model test showed statistical significant difference among study groups (P < 0.001). Post hoc test showed significant difference for usage of silver diamine fluoride (P < 0.001) and non-significant differences for type of restoration (P = 0.21) and time (P = 0.43). Conclusion: There was a significant reduction in microleakage following the usage of SDF before restoration over time.
{"title":"Comparison of Microleakage of Composite and Glass Ionomer Restorations in Primary Molars Pretreated with Silver Diamine Fluoride at Two Time Intervals: An In Vitro study","authors":"Mais Jasim, M. Khalaf","doi":"10.4103/denthyp.denthyp_118_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_118_22","url":null,"abstract":"Introduction: We aimed to evaluate the microleakage of composite resin and self-cure glass ionomer (GI) restorations in primary molars when the restorations were applied at the same day of silver diamine fluoride (SDF) treatment, and after 14 days. Methods: Class V cavities made at the buccal surface of 64 deciduous molars. For the experimental group of 32 teeth treated with SDF (eight teeth filled with composite and eight teeth filled with GI after 1 day and 14 days), the remaining 32 teeth without application of SDF served as a control group. All samples were then thermocycled and immersed in 2% methylene before being molded in epoxy resin to facilitate cutting into two sections. The dye penetration was then measured using a stereomicroscope at 20× magnification. Results: Overall model test showed statistical significant difference among study groups (P < 0.001). Post hoc test showed significant difference for usage of silver diamine fluoride (P < 0.001) and non-significant differences for type of restoration (P = 0.21) and time (P = 0.43). Conclusion: There was a significant reduction in microleakage following the usage of SDF before restoration over time.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"13 1","pages":"145 - 148"},"PeriodicalIF":0.5,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47686591","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 : 2022-10-01DOI: 10.4103/denthyp.denthyp_78_22
Priyake Palipana, A. Adikari
Introduction: Limited evidence is available on adhesive dentistry in the management of amelogenesis imperfecta (AI). The presentation, the conservative management with adhesive techniques, and the outcome of hypoplastic AI are discussed. Case Report: Autosomal dominant, hypoplastic AI was diagnosed, on a 36-year-old woman, presented with unesthetic teeth and a history of frequent decay with subsequent complications. Following the hygienic phase, stabilization of caries and root canal treatment (RCT) were done. Coronal restoration of endodontically treated teeth and light-cured direct composite veneering were done in the restorative phase. Surveyed crowns, mucosa-borne partial denture, and a resin-bonded bridge were prescribed in the prosthetic phase. The patient was pleased with the improved masticatory ability and esthetics. Discussion: A stepwise least invasive, yet esthetically acceptable treatment options based on adhesive techniques are successful in hypoplastic AI.
{"title":"Esthetic and Functional Rehabilitation of a Patient with Amelogenesis Imperfecta Using Adhesive and Non-Invasive Techniques: A Case Report","authors":"Priyake Palipana, A. Adikari","doi":"10.4103/denthyp.denthyp_78_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_78_22","url":null,"abstract":"Introduction: Limited evidence is available on adhesive dentistry in the management of amelogenesis imperfecta (AI). The presentation, the conservative management with adhesive techniques, and the outcome of hypoplastic AI are discussed. Case Report: Autosomal dominant, hypoplastic AI was diagnosed, on a 36-year-old woman, presented with unesthetic teeth and a history of frequent decay with subsequent complications. Following the hygienic phase, stabilization of caries and root canal treatment (RCT) were done. Coronal restoration of endodontically treated teeth and light-cured direct composite veneering were done in the restorative phase. Surveyed crowns, mucosa-borne partial denture, and a resin-bonded bridge were prescribed in the prosthetic phase. The patient was pleased with the improved masticatory ability and esthetics. Discussion: A stepwise least invasive, yet esthetically acceptable treatment options based on adhesive techniques are successful in hypoplastic AI.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"13 1","pages":"162 - 164"},"PeriodicalIF":0.5,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44142054","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 : 2022-10-01DOI: 10.4103/denthyp.denthyp_69_21
Sreenath Narayanan, M. Hegde, S. Thirunarayanan, T. Dsouza
Introduction: Composite have evolved significantly due to the increase in the demand for a more esthetic and conservative approach in dentistry. Modifications have been made on the filler particle size and loading, followed by alterations in the resin matrix substance. Methacrylate-based composite with the addition of nanoparticles to the filler has been introduced in the market, providing improved esthetics and lower polymerization shrinkage. The present study was done to compare the fracture resistance of teeth restored using two newer methacrylate-based composite materials, along with the flexural strength of the composites. Methods: Sixty mandibular premolars were divided into two control groups of 10 teeth each and two experimental groups of 20 teeth. Group I − intact teeth with no preparations (n = 10), Group II − prepared but unrestored teeth (n = 10), Group III − teeth prepared and restored with a stackable nanohybrid methacrylate-based composite material (IPS Empress DirectTM), and Group IV − teeth prepared and restored with a packable submicron methacrylate-based composite material (Brilliant EverglowTM), respectively. The teeth were embedded in resin-filled PVC rings, and a compressive loading test was carried out for all groups at a cross-head speed of 0.5 mm/min. The flexural strengths of the two composite materials were also analyzed using three-point bending test using Universal Testing Machine. The statistical significance (P < 0.05) of the differences between the experimental groups was analyzed by ANOVA and Tukey post hoc test. Results: The mean fracture resistance was highest in Group IV (1877.37 ± 494.79) followed by Group III (1763.69 ± 392.51), Group I (1607.08 ± 283.48), and Group II having the least (1442.08 ± 373.66). The mean fracture resistance overall differed significantly between the four groups (P = 0.048). Tukey test showed fracture resistance differed significantly between Group II and Group IV (P = 0.042) and no significance among other groups. Conclusion: Fracture resistance was highest in the group restored with the packable submicron hybrid composite material. The packable submicron methacrylate-based composite material also showed higher flexural strength than stackable nanohybrid composite material.
{"title":"Fracture Resistance of Teeth Restored with Newer Methacrylate-Based Dental Composite Materials: An In Vitro Study","authors":"Sreenath Narayanan, M. Hegde, S. Thirunarayanan, T. Dsouza","doi":"10.4103/denthyp.denthyp_69_21","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_69_21","url":null,"abstract":"Introduction: Composite have evolved significantly due to the increase in the demand for a more esthetic and conservative approach in dentistry. Modifications have been made on the filler particle size and loading, followed by alterations in the resin matrix substance. Methacrylate-based composite with the addition of nanoparticles to the filler has been introduced in the market, providing improved esthetics and lower polymerization shrinkage. The present study was done to compare the fracture resistance of teeth restored using two newer methacrylate-based composite materials, along with the flexural strength of the composites. Methods: Sixty mandibular premolars were divided into two control groups of 10 teeth each and two experimental groups of 20 teeth. Group I − intact teeth with no preparations (n = 10), Group II − prepared but unrestored teeth (n = 10), Group III − teeth prepared and restored with a stackable nanohybrid methacrylate-based composite material (IPS Empress DirectTM), and Group IV − teeth prepared and restored with a packable submicron methacrylate-based composite material (Brilliant EverglowTM), respectively. The teeth were embedded in resin-filled PVC rings, and a compressive loading test was carried out for all groups at a cross-head speed of 0.5 mm/min. The flexural strengths of the two composite materials were also analyzed using three-point bending test using Universal Testing Machine. The statistical significance (P < 0.05) of the differences between the experimental groups was analyzed by ANOVA and Tukey post hoc test. Results: The mean fracture resistance was highest in Group IV (1877.37 ± 494.79) followed by Group III (1763.69 ± 392.51), Group I (1607.08 ± 283.48), and Group II having the least (1442.08 ± 373.66). The mean fracture resistance overall differed significantly between the four groups (P = 0.048). Tukey test showed fracture resistance differed significantly between Group II and Group IV (P = 0.042) and no significance among other groups. Conclusion: Fracture resistance was highest in the group restored with the packable submicron hybrid composite material. The packable submicron methacrylate-based composite material also showed higher flexural strength than stackable nanohybrid composite material.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"13 1","pages":"149 - 153"},"PeriodicalIF":0.5,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47361421","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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