Pub Date : 2023-07-01DOI: 10.4103/denthyp.denthyp_96_23
P. Iranmanesh, R. Franco, Marzeyeh Taghizadeh, H. Mirmohammadi, G. Hasselgren, Heejung Bang, Jafar Kolahi
{"title":"Whether Enough Attention is Being Paid to the Ethical Concerns Regarding the Use of Artificial Intelligence in Dentistry?","authors":"P. Iranmanesh, R. Franco, Marzeyeh Taghizadeh, H. Mirmohammadi, G. Hasselgren, Heejung Bang, Jafar Kolahi","doi":"10.4103/denthyp.denthyp_96_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_96_23","url":null,"abstract":"","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"69 - 70"},"PeriodicalIF":0.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42374195","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 : 2023-07-01DOI: 10.4103/denthyp.denthyp_37_23
Rasha M. Al-Shamaa
Introduction: The objective of the study was to assess coronal leakage following root canal treatment utilizing four Micro Mega rotary nickel–titanium files, specifically One shape, Two shape (s1), Two shape (s2), and Revo-S, by means of dye penetration analysis using a stereomicroscope set at 20× magnification. Methods: Fifty human lower premolar teeth that were extracted for orthodontic reasons were included in the study, excluding teeth with cracks, caries, severe curvature (<25°), or root resorption. The teeth were randomly assigned to five groups using www.random.orgwww.random.org, and standard endodontic treatments were performed as per the manufacturer’s instructions using Micro Mega One shape, Two shape (s1), Two shape (s2), and Revo-S rotary nickel–titanium systems. To measure dye penetration, the teeth were immersed in a 2% methylene blue dye solution for approximately 24 hours and then axially split using a diamond sectioning disc, with measurements taken using a stereomicroscope. Results: The study groups showed statistically significant differences (P < 0.001), and all pairwise comparisons were found to be significantly different according to the post hoc test (P < 0.001). Conclusion: Our results showed that various rotary file designs significantly affect coronal leakage.
{"title":"Comparison of Different Rotary Nickel–titanium Systems to Evaluate Coronal Leakage of Root Canals: An in Vitro Study","authors":"Rasha M. Al-Shamaa","doi":"10.4103/denthyp.denthyp_37_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_37_23","url":null,"abstract":"Introduction: The objective of the study was to assess coronal leakage following root canal treatment utilizing four Micro Mega rotary nickel–titanium files, specifically One shape, Two shape (s1), Two shape (s2), and Revo-S, by means of dye penetration analysis using a stereomicroscope set at 20× magnification. Methods: Fifty human lower premolar teeth that were extracted for orthodontic reasons were included in the study, excluding teeth with cracks, caries, severe curvature (<25°), or root resorption. The teeth were randomly assigned to five groups using www.random.orgwww.random.org, and standard endodontic treatments were performed as per the manufacturer’s instructions using Micro Mega One shape, Two shape (s1), Two shape (s2), and Revo-S rotary nickel–titanium systems. To measure dye penetration, the teeth were immersed in a 2% methylene blue dye solution for approximately 24 hours and then axially split using a diamond sectioning disc, with measurements taken using a stereomicroscope. Results: The study groups showed statistically significant differences (P < 0.001), and all pairwise comparisons were found to be significantly different according to the post hoc test (P < 0.001). Conclusion: Our results showed that various rotary file designs significantly affect coronal leakage.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"81 - 83"},"PeriodicalIF":0.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49512170","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 : 2023-07-01DOI: 10.4103/denthyp.denthyp_48_23
S. Abdul-razzaq, Muna Khalaf
Introduction: The objective of this study was to evaluate the impact of chitosan nanoparticles’ pretreatment of dentin surface on the macro shear bond strength of resin composite, both immediately and over an extended period. Methods: Thirty caries-free, unrestored human premolars were randomly assigned to six study groups. The dentin surface of the intervention groups underwent pretreatment with 0.2% chitosan and 0.05% NaF solutions for 1 minute. A standard etch-and-rinse adhesive procedure was performed for all the study groups. After 24 hours, half of the specimens underwent a macro shear bond strength test at a crosshead speed of 1 mm/min, whereas the other specimens underwent the same procedure after 300 thermal cycles between 5 and 55°C with a 30-second dwell time in the thermocycling device. Results: The study found that the type of dentin surface treatment agents did not significantly affect the shear bond strength (P = 0.52). However, there were statistically significant differences between immediate and prolonged shear bond strength in the chitosan (P < 0.01) and the control groups (P = 0.005). On the other hand, there were no significant differences between the immediate and prolonged shear bond strength in the NaF group (P = 0.997). Conclusion: Dentin pretreatment with 0.2% chitosan solution did not significantly affect the shear bond strength of the etch-and-rinse adhesive system. Pretreatment with NaF maintained the shear bond strength of the adhesive to dentin after 300 thermal cycles.
{"title":"Effect of Dentin Surface Pretreatment With Chitosan Nanoparticles on Immediate and Prolonged Shear Bond Strength of Resin Composite: An in Vitro Study","authors":"S. Abdul-razzaq, Muna Khalaf","doi":"10.4103/denthyp.denthyp_48_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_48_23","url":null,"abstract":"Introduction: The objective of this study was to evaluate the impact of chitosan nanoparticles’ pretreatment of dentin surface on the macro shear bond strength of resin composite, both immediately and over an extended period. Methods: Thirty caries-free, unrestored human premolars were randomly assigned to six study groups. The dentin surface of the intervention groups underwent pretreatment with 0.2% chitosan and 0.05% NaF solutions for 1 minute. A standard etch-and-rinse adhesive procedure was performed for all the study groups. After 24 hours, half of the specimens underwent a macro shear bond strength test at a crosshead speed of 1 mm/min, whereas the other specimens underwent the same procedure after 300 thermal cycles between 5 and 55°C with a 30-second dwell time in the thermocycling device. Results: The study found that the type of dentin surface treatment agents did not significantly affect the shear bond strength (P = 0.52). However, there were statistically significant differences between immediate and prolonged shear bond strength in the chitosan (P < 0.01) and the control groups (P = 0.005). On the other hand, there were no significant differences between the immediate and prolonged shear bond strength in the NaF group (P = 0.997). Conclusion: Dentin pretreatment with 0.2% chitosan solution did not significantly affect the shear bond strength of the etch-and-rinse adhesive system. Pretreatment with NaF maintained the shear bond strength of the adhesive to dentin after 300 thermal cycles.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"84 - 86"},"PeriodicalIF":0.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46637544","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 : 2023-07-01DOI: 10.4103/denthyp.denthyp_67_23
R. Franco, Alessio Rosa, E. Lupi, M. Capogreco
Dental implants have revolutionized modern dentistry, providing an effective solution for the replacement of missing teeth. However, the long-term success of dental implants can be compromised by the development of biofilms on their surfaces. Biofilms are complex microbial communities embedded in a self-produced extracellular matrix, and they play a crucial role in the pathogenesis of various oral diseases, including peri-implantitis. This article aims to explore the relationship between dental implant roughness and biofilm formation, shedding light on the mechanisms by which surface characteristics influence microbial colonization and subsequent biofilm development. Understanding these interactions will aid in the development of improved implant surfaces and preventive strategies to enhance long-term implant success.
{"title":"The Influence of Dental Implant Roughness on Biofilm Formation: A Comprehensive Strategy","authors":"R. Franco, Alessio Rosa, E. Lupi, M. Capogreco","doi":"10.4103/denthyp.denthyp_67_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_67_23","url":null,"abstract":"Dental implants have revolutionized modern dentistry, providing an effective solution for the replacement of missing teeth. However, the long-term success of dental implants can be compromised by the development of biofilms on their surfaces. Biofilms are complex microbial communities embedded in a self-produced extracellular matrix, and they play a crucial role in the pathogenesis of various oral diseases, including peri-implantitis. This article aims to explore the relationship between dental implant roughness and biofilm formation, shedding light on the mechanisms by which surface characteristics influence microbial colonization and subsequent biofilm development. Understanding these interactions will aid in the development of improved implant surfaces and preventive strategies to enhance long-term implant success.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"90 - 92"},"PeriodicalIF":0.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47081741","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 : 2023-04-01DOI: 10.4103/denthyp.denthyp_43_23
Dhay Haider Hassan, Shahbaa Al-joranii
Introduction: We aimed to evaluate the effect of feeding pattern and salivary level of growth hormone on the stage of primary tooth eruption among infants aged 6 to 18 months. Methods: The sample size of this analytical cross-sectional study was 300 healthy infants from Karbala, Iraq. Feeding pattern answered by the parents, stage of dental eruption assessed according to criteria described by Damodar P. Swami, and level of salivary growth hormone determined using an ELISA assay. Data were analyzed via a linear regression model using R software. Results: The model (adjusted R2: 0.668) showed the feeding pattern (beast, bottle, or mix), gender, and salivary level of growth hormone were not significant predicators for the stage of primary tooth eruption (p > 0.05). Yet, age was a significant predicator (p < 0.001). Conclusion: The infant’s feeding pattern and salivary level of growth hormone did not affect the timing of the eruption of primary teeth.
摘要:本研究旨在探讨6 ~ 18月龄婴幼儿喂养方式和唾液生长激素水平对乳牙萌出期的影响。方法:本分析性横断面研究的样本量为来自伊拉克卡尔巴拉的300名健康婴儿。父母回答喂养方式，根据Damodar P. Swami描述的标准评估出牙的阶段，使用ELISA测定唾液生长激素水平。数据采用R软件进行线性回归模型分析。结果:模型(调整后的R2: 0.668)显示，喂养方式(兽类、奶瓶或混合)、性别和唾液生长激素水平对乳牙萌出期无显著影响(p < 0.05)。然而，年龄是显著的预测因子(p < 0.001)。结论:婴幼儿喂养方式和唾液生长激素水平对乳牙萌出时间无影响。
{"title":"Effect of Feeding Pattern and Salivary Level of Growth Hormone on the Stage of Primary Tooth Eruption: An Analytical Cross-Sectional Study","authors":"Dhay Haider Hassan, Shahbaa Al-joranii","doi":"10.4103/denthyp.denthyp_43_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_43_23","url":null,"abstract":"Introduction: We aimed to evaluate the effect of feeding pattern and salivary level of growth hormone on the stage of primary tooth eruption among infants aged 6 to 18 months. Methods: The sample size of this analytical cross-sectional study was 300 healthy infants from Karbala, Iraq. Feeding pattern answered by the parents, stage of dental eruption assessed according to criteria described by Damodar P. Swami, and level of salivary growth hormone determined using an ELISA assay. Data were analyzed via a linear regression model using R software. Results: The model (adjusted R2: 0.668) showed the feeding pattern (beast, bottle, or mix), gender, and salivary level of growth hormone were not significant predicators for the stage of primary tooth eruption (p > 0.05). Yet, age was a significant predicator (p < 0.001). Conclusion: The infant’s feeding pattern and salivary level of growth hormone did not affect the timing of the eruption of primary teeth.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"52 - 54"},"PeriodicalIF":0.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46780334","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 : 2023-04-01DOI: 10.4103/denthyp.denthyp_62_23
G. Hasselgren
{"title":"Collaboration Over Borders: From Clinical Dentistry To Quantum Biology","authors":"G. Hasselgren","doi":"10.4103/denthyp.denthyp_62_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_62_23","url":null,"abstract":"","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"43 - 44"},"PeriodicalIF":0.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47884989","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 : 2023-04-01DOI: 10.4103/denthyp.denthyp_59_23
Ghaith Al-hamdani, L. Yas
Introduction: We aimed to evaluate serum and salivary vitamin B12 levels in patients with iron deficiency anemia (IDA) with and without recurring aphthous ulcers (RAS). Methods: Study participants were divided into three groups, clinically healthy control group (n = 25), an IDA patient with RAS (n = 25), and an IDA without RAS (n = 25). The enzyme-linked immunosorbent assay (ELISA) method was used to assess the serum and salivary B-12 levels blindly. Data analyses were performed using one-way ANOVA and the Tukey’s post hoc test using R software. Result: There were statistically significant differences regarding serum and salivary B12 levels among study groups (P<0.001). All pairwise comparisons showed significant differences regarding serum (P<0.001) and salivary (P ≤ 0.002) B12 levels. Conclusion: The Control group (396 ± 18.2 pg/mL) was within the normal serum level of vitamin B12 (200-900 pg/mL), while in IDA with RAS (111 ± 15.4 pg/mL) and IDA without RAS (145 ± 57.2 pg/mL) serum level of vitamin B12 is lower than the normal range and significantly lower than the control group.
{"title":"Serum and Salivary Vitamin B12 Levels among Iron Deficiency Anemia Patient with Recurrent Aphthous Stomatitis: An Analytical Cross-Sectional Study","authors":"Ghaith Al-hamdani, L. Yas","doi":"10.4103/denthyp.denthyp_59_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_59_23","url":null,"abstract":"Introduction: We aimed to evaluate serum and salivary vitamin B12 levels in patients with iron deficiency anemia (IDA) with and without recurring aphthous ulcers (RAS). Methods: Study participants were divided into three groups, clinically healthy control group (n = 25), an IDA patient with RAS (n = 25), and an IDA without RAS (n = 25). The enzyme-linked immunosorbent assay (ELISA) method was used to assess the serum and salivary B-12 levels blindly. Data analyses were performed using one-way ANOVA and the Tukey’s post hoc test using R software. Result: There were statistically significant differences regarding serum and salivary B12 levels among study groups (P<0.001). All pairwise comparisons showed significant differences regarding serum (P<0.001) and salivary (P ≤ 0.002) B12 levels. Conclusion: The Control group (396 ± 18.2 pg/mL) was within the normal serum level of vitamin B12 (200-900 pg/mL), while in IDA with RAS (111 ± 15.4 pg/mL) and IDA without RAS (145 ± 57.2 pg/mL) serum level of vitamin B12 is lower than the normal range and significantly lower than the control group.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"55 - 58"},"PeriodicalIF":0.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46053612","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 : 2023-04-01DOI: 10.4103/denthyp.denthyp_42_23
Miguel Martinez-Mondragon, G. Urriolagoitia-Sosa, B. Romero-Ángeles, Juan Pérez-Partida, Itzel Cruz-Olivares, G. Urriolagoitia-Calderón
Introduction: This research aims to compare the distribution of stresses and general displacements between different dental implant abutments against a healthy tooth, as well as the mechanical behavior of the carbon fiber-reinforced polyether-ether-ketone (CFR-PEEK) material under load conditions. Methods: A biomodel of a healthy tooth was implemented by computed tomography (CT), considering three essential parts of the tooth (enamel, dentin, and pulp). Three different dental abutments were produced using the SolidWorks computer program. Applying the finite element method (FEM), a numerical evaluation was performed by introducing a critical load of 550 N and then unloading it to 0 N taking into consideration the behavior of the material (titanium and CFR-PEEK) as bilinear, isotropic, and homogeneous. Results: The difference in stress and total displacement between the dental implant (titanium and CFR-PEEK) and the healthy tooth was significant, going from critical stress values of 1087 to 324 MPa. Conclusion: When removing the load from the CFR-PEEK material, it presented residual stresses because the material passed its elastic limit despite this, demonstrating a better mechanical behavior than titanium.
{"title":"Bilinear Numerical Analysis of the Structural Behavior of a Dental Implant Applied as a Biomaterial Carbon Fiber Reinforced Polyether-Ether-Ketone (CFR-PEEK): A Finite Element Analysis","authors":"Miguel Martinez-Mondragon, G. Urriolagoitia-Sosa, B. Romero-Ángeles, Juan Pérez-Partida, Itzel Cruz-Olivares, G. Urriolagoitia-Calderón","doi":"10.4103/denthyp.denthyp_42_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_42_23","url":null,"abstract":"Introduction: This research aims to compare the distribution of stresses and general displacements between different dental implant abutments against a healthy tooth, as well as the mechanical behavior of the carbon fiber-reinforced polyether-ether-ketone (CFR-PEEK) material under load conditions. Methods: A biomodel of a healthy tooth was implemented by computed tomography (CT), considering three essential parts of the tooth (enamel, dentin, and pulp). Three different dental abutments were produced using the SolidWorks computer program. Applying the finite element method (FEM), a numerical evaluation was performed by introducing a critical load of 550 N and then unloading it to 0 N taking into consideration the behavior of the material (titanium and CFR-PEEK) as bilinear, isotropic, and homogeneous. Results: The difference in stress and total displacement between the dental implant (titanium and CFR-PEEK) and the healthy tooth was significant, going from critical stress values of 1087 to 324 MPa. Conclusion: When removing the load from the CFR-PEEK material, it presented residual stresses because the material passed its elastic limit despite this, demonstrating a better mechanical behavior than titanium.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"45 - 48"},"PeriodicalIF":0.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41496221","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 : 2023-04-01DOI: 10.4103/denthyp.denthyp_18_23
V. Ngoc, Pham Ha, Dang Hung, N. Anh
Introduction: Enamel demineralization expressed as white spot lesions (WSLs) has been reported to be associated with both fixed and removable orthodontic appliances. Case report: This case report described the management of a patient with clear aligner-related severe enamel demineralization using a modified resin infiltration technique. Microabrasion with Opalustre (Ultradent, Utah, USA) was performed to remove the remineralized enamel surface followed by repeated etching with ICON Etch (DMG, Hamburg, Germany) until the WSLs disappeared after ethanol application. A #12 blade could be used to check whether the superficial layer was demineralized enough for the resin to infiltrate. The ICON-Infiltrant (DMG, Hamburg, Germany) was applied to the etched enamel and light-cured. After treatment, all the WSLs showed improvement with the color nearly matching the adjacent sound enamel. Discussion: Modified resin infiltration technique combined with microabrasion could be an effective noninvasive method to treat severe enamel demineralization including shallow localized enamel breakdown. However, more clinical studies are required to assess the efficacy and safety of this method.
{"title":"Management Of Clear Aligner-related Severe Enamel Demineralization With A Modified Resin Infiltration Technique: A Case Report","authors":"V. Ngoc, Pham Ha, Dang Hung, N. Anh","doi":"10.4103/denthyp.denthyp_18_23","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_18_23","url":null,"abstract":"Introduction: Enamel demineralization expressed as white spot lesions (WSLs) has been reported to be associated with both fixed and removable orthodontic appliances. Case report: This case report described the management of a patient with clear aligner-related severe enamel demineralization using a modified resin infiltration technique. Microabrasion with Opalustre (Ultradent, Utah, USA) was performed to remove the remineralized enamel surface followed by repeated etching with ICON Etch (DMG, Hamburg, Germany) until the WSLs disappeared after ethanol application. A #12 blade could be used to check whether the superficial layer was demineralized enough for the resin to infiltrate. The ICON-Infiltrant (DMG, Hamburg, Germany) was applied to the etched enamel and light-cured. After treatment, all the WSLs showed improvement with the color nearly matching the adjacent sound enamel. Discussion: Modified resin infiltration technique combined with microabrasion could be an effective noninvasive method to treat severe enamel demineralization including shallow localized enamel breakdown. However, more clinical studies are required to assess the efficacy and safety of this method.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"66 - 68"},"PeriodicalIF":0.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49164257","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 : 2023-04-01DOI: 10.4103/denthyp.denthyp_160_22
F. Hammadi, Zainab M. Abdul-Ameer
Introduction: We aimed to assess the push‐out bond strength of BIO-C REPAIR (a ready-to-use bioceramic material), and compare it with the mineral trioxide aggregate (MTA) and аmаlgаm. Methods: A total of 30 single-rooted, straight human maxillary central incisors were chosen. To keep the root canal length at 15 mm, the crown was resected. The teeth underwent endodontic treatment, along with the resection of their root ends and preparation of root-end cavities. The teeth were randomly allocated into three groups as follows: BIO-C REPAIR, MTА, and Zinc-free аmаlgаm. Utilizing a universal testing machine, the push-out test was done and the digital microscope was used to assess failure made. Data were analyzed by the one-way ANOVA and chi-square test using the Python software. Results: Statistically significant difference was found among study groups regarding push-out bond strength (p < 0.001) and mode of failure (p < 0.001). Post-hoc test showed MTA has significantly lower push-out bond strength than BIO-C REPAIR and amalgam (p < 0.001). Conclusion: Within the limitation of this study, the push‐out bond strength for BIO-C REPAIR was higher than the MTA and nearly similar to the amalgam.
{"title":"Evaluation Of The Push-out Bond Strength Of The Bio-C Repair And Compare It With The Mineral Trioxide Aggregate And Amalgam When Used As Root-end Filling Material: An In Vitro Study","authors":"F. Hammadi, Zainab M. Abdul-Ameer","doi":"10.4103/denthyp.denthyp_160_22","DOIUrl":"https://doi.org/10.4103/denthyp.denthyp_160_22","url":null,"abstract":"Introduction: We aimed to assess the push‐out bond strength of BIO-C REPAIR (a ready-to-use bioceramic material), and compare it with the mineral trioxide aggregate (MTA) and аmаlgаm. Methods: A total of 30 single-rooted, straight human maxillary central incisors were chosen. To keep the root canal length at 15 mm, the crown was resected. The teeth underwent endodontic treatment, along with the resection of their root ends and preparation of root-end cavities. The teeth were randomly allocated into three groups as follows: BIO-C REPAIR, MTА, and Zinc-free аmаlgаm. Utilizing a universal testing machine, the push-out test was done and the digital microscope was used to assess failure made. Data were analyzed by the one-way ANOVA and chi-square test using the Python software. Results: Statistically significant difference was found among study groups regarding push-out bond strength (p < 0.001) and mode of failure (p < 0.001). Post-hoc test showed MTA has significantly lower push-out bond strength than BIO-C REPAIR and amalgam (p < 0.001). Conclusion: Within the limitation of this study, the push‐out bond strength for BIO-C REPAIR was higher than the MTA and nearly similar to the amalgam.","PeriodicalId":43354,"journal":{"name":"Dental Hypotheses","volume":"14 1","pages":"62 - 65"},"PeriodicalIF":0.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46701070","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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