Avicenna Journal of Dental Research最新文献_第9页

Short-term Effect of Four Root Filling Materials on the Flexural Strength of Human Root Dentin 四种牙根充填材料对牙根牙本质抗弯强度的短期影响

Avicenna Journal of Dental Research Pub Date : 2021-03-30 DOI: 10.34172/AJDR.2021.04

Hamed Karkehabadi, Shahriar Shahriari, Faraz Sedaghat, E. Yarmohammadi, H. Abbaspourrokni

引用次数: 2

The Effect of Statins on Orthodontic Tooth Movements: A Meta-analysis of Animal Studies 他汀类药物对正畸牙齿运动的影响:动物研究的荟萃分析

Avicenna Journal of Dental Research Pub Date : 2021-03-30 DOI: 10.34172/AJDR.2021.06

Zohreh Afshari, S. Tahamtan, Farinaz Shirban

{"title":"The Effect of Statins on Orthodontic Tooth Movements: A Meta-analysis of Animal Studies","authors":"Zohreh Afshari, S. Tahamtan, Farinaz Shirban","doi":"10.34172/AJDR.2021.06","DOIUrl":"https://doi.org/10.34172/AJDR.2021.06","url":null,"abstract":"Background: Statins are effective therapeutic agents for the treatment of cardiovascular diseases. Their favorable effects on various aspects of oral health including promising effects on bone metabolism and pleiotropic impacts such as anti-inflammatory properties made these drugs a current area of interest in the field of orthodontics. Therefore, the aim of this study was to evaluate the effects of statins on orthodontic tooth movement (OTM) in animals undergoing orthodontic treatments. Methods: Several databases were comprehensively searched for studies measuring the effects of statins on the OTM up to January 2020, including MEDLINE, ISI Web of Science, EMBASE, Scopus, and Cochrane. Animal studies evaluating the effects of statins on tooth movements in animals undergoing orthodontic treatments were selected based on the PICO model .Study selection, data extraction, risk of bias, and study quality assessment were independently performed by two reviewers. Finally, the data were analyzed using random-effects meta-analysis and the mean difference (MD) was used for comparing the outcome measures. Results: Three randomized trials were finally included in this meta-analysis. According to the Systematic Review Centre for Laboratory animal Experimentation Tool, all the included studies had at least one domain at a high risk of bias. The amount of the OTM was insignificantly lower in the statin group (MD = 0.134 mm, %95 confidence interval = -0.020-0.288, P>0.05). Conclusions: Due to the low quality and methodological inconsistencies among the included studies, conclusive confirmation regarding the effect of statins on the OTM remains debatable. Trail Registration: The protocol of this study was registered on PROSPERO (https://www.crd.york.ac.uk/ PROSPERO/) with the ID # CRD42020164155.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"8 1","pages":"28-37"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84750803","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}

引用次数: 0

Comparing Periodontal Status Between Pregnant Women with Preeclampsia and Normal Women 子痫前期孕妇与正常孕妇牙周状况的比较

Avicenna Journal of Dental Research Pub Date : 2021-03-30 DOI: 10.34172/AJDR.2021.03

Ilnaz Farhoodi, Zahra Mortazavi, R. Dargahi, A. Baghi

{"title":"Comparing Periodontal Status Between Pregnant Women with Preeclampsia and Normal Women","authors":"Ilnaz Farhoodi, Zahra Mortazavi, R. Dargahi, A. Baghi","doi":"10.34172/AJDR.2021.03","DOIUrl":"https://doi.org/10.34172/AJDR.2021.03","url":null,"abstract":"Background: Periodontal disease is a common disorder in approximately 5%-10% of all pregnant women. The evidence suggests that periodontitis can increase the risk of preeclampsia. It seems that chronic systemic inflammation resulting from periodontal disease may be an important factor. However, some studies have ruled out any correlation between periodontal disease parameters and blood pressure. Therefore, this study was conducted to determine the correlation between periodontal disease and preeclampsia in Iranian pregnant women. Methods: This case-control study was conducted on 40 randomly selected preeclamptic patients as the case group and 40 randomly selected healthy pregnant women as the control group aged up to 35 years with gestational age of less than 34 weeks. Preeclampsia was diagnosed by a gynecologist as sustained pregnancy-induced hypertension (BP≥140/90 mm Hg within 6 hours) with proteinuria (with urine protein concentrations ≥1 mg/dl on a catheterized urine sample). All the participants underwent periodontal examinations, including the measurements of the pocket depth (PD), clinical attachment loss (CAL), bleeding on probing (BOP), and plaque index (PI) in all the teeth except the third molar and second distal molar teeth. Statistical analysis was performed using the Mann-Whitney U test and P<0.05 was considered as statistically significant. Results: The results showed that prevalence of periodontal disease was significantly higher in the preeclamptic group. The quantitative analysis of periodontal parameters between the groups indicated that mean values of the BOP, CAL, PD, and PI were significantly higher in the preeclamptic group, compared to those reported for the control group (P<0.001). Conclusions: The results of the present study showed that periodontal indices are more severe in pregnant women with preeclampsia, compared to those reported for normal pregnant subjects.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"4 1","pages":"13-17"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90174397","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}

引用次数: 0

Accuracy of CBCT Linear Measurements to Determine the Height of Alveolar Crest to the Mental Foramen CBCT线性测量确定牙槽嵴到颏孔高度的准确性

Avicenna Journal of Dental Research Pub Date : 2021-03-30 DOI: 10.34172/AJDR.2021.01

M. Sheikhi, Seyed Ali Saleh Gholami, M. Ghazizadeh

{"title":"Accuracy of CBCT Linear Measurements to Determine the Height of Alveolar Crest to the Mental Foramen","authors":"M. Sheikhi, Seyed Ali Saleh Gholami, M. Ghazizadeh","doi":"10.34172/AJDR.2021.01","DOIUrl":"https://doi.org/10.34172/AJDR.2021.01","url":null,"abstract":"Background: Detailed knowledge of the three-dimensional (3D) anatomical structures in precise treatment planning prior to implant placement is necessary. The choice of imaging techniques plays an important role in achieving the required information to measure exact dimensions. Cone beam computed tomography (CBCT) has increasingly been used for diagnosis and treatment in the fields of periodontology, endodontic, and orthodontics. It is also used as the preoperative evaluation of patients who are candidates for dental implant treatment. Dental implant placement is an important application of CBCT in dentistry. One of the features of CBCT is the possibility of changing the slice thickness while reviewing images. In this study, we examined the linear measurement accuracy of CBCT for determining the height of alveolar crest to the mental foramen in cross-sectional view with different slice thicknesses and in tangential view. Methods: We used five dry human mandibles in this study. Then the distance from the highest tip of alveolar crest to the upper border of mental foramen was measured by digital caliper (as gold standard) and on CBCT images in cross sectional view with 1, 3, 5, 7 and 9 mm slice thicknesses and in tangential view. Data were analyzed using IBM SPSS Statistics software version 22, paired t test, and inter class correlation. Results: Data were collected by evaluation of 5 dry mandible and 240 measurements. There were significant differences only in tangential view and 1 mm slice thickness option in cross-sectional view with the gold standard (P=0.003 and P=0.018 respectively). The results did not show any differences between the observers (P<0.001). Conclusions: Our results indicated that cross-sectional view is more accurate than tangential view, and 3 and 5 mm slice thicknesses are preferred for measurement.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"113 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80586617","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}

引用次数: 0

Comparative Evaluation of Microleakage in Class II Cavity in Primary Molars Restored With Glass Ionomer Cement, Zirconomer, and Cention N Using Stereomicroscope: An In Vitro Study 体视显微镜下玻璃离子水门合剂、锆聚体和氮离子修复初生磨牙II类牙洞微渗漏的比较研究

Avicenna Journal of Dental Research Pub Date : 2021-03-30 DOI: 10.34172/AJDR.2021.02

Harshal P. Patil, J. Winnier

{"title":"Comparative Evaluation of Microleakage in Class II Cavity in Primary Molars Restored With Glass Ionomer Cement, Zirconomer, and Cention N Using Stereomicroscope: An In Vitro Study","authors":"Harshal P. Patil, J. Winnier","doi":"10.34172/AJDR.2021.02","DOIUrl":"https://doi.org/10.34172/AJDR.2021.02","url":null,"abstract":"Background: Microleakage is defined as the passage of bacteria, fluid, molecules or ions between the cavity walls and restorative material. There are limited studies in the literature that have compared the microleakage of the newer restorative materials. Therefore, the aim of this study is to compare and evaluate microleakage in Class II cavity in primary molars restored with glass ionomer cement, zirconomer and cention N using stereomicroscope. Method: Standardized Class II cavities were prepared on the extracted primary molars All the prepared samples were divided into 3 experimental groups and were restored as follows: Group I- GIC (GC Universal Restorative); Group II- Zirconomer (SHOFU Inc., Kyoto, Japan) and Group III- Cention-N (Ivoclar Vivadent). The restored teeth were thermocycled, immersed in methylene blue dye and sectioned along the mesiodistal direction. The dye penetration at the occlusal surface and cervical surface was evaluated and compared using a stereo-microscope. Data was analysed using Krushal-Wallis test (Non-parametric ANOVA). Results: Among the three restorative materials, Cention N as compared to GIC and Zirconomer showed least microleakage at both the occlusal surface and cervical surface. Conclusion: Cention N a newer restorative material displayed lesser microleakage as compared to GIC and Zirconomer.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"1 1","pages":"6-12"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78513524","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}

引用次数: 0

Dental Management of Peripheral Giant Cell Granuloma in an 8-Year-Old Boy: A Case Report 8岁男童外周巨细胞肉芽肿的牙科治疗一例报告

Avicenna Journal of Dental Research Pub Date : 2021-03-30 DOI: 10.34172/AJDR.2021.07

Arghavan Kamali Sabeti, Niloofar Entezari Moghaddam, Fariba Naderi

引用次数: 0

Effectiveness of Preoperative Chlorhexidine Mouthwash on Pain After Lower Posterior Teeth Removal: A Randomized, Double-Blind Clinical Trial 术前氯己定漱口水对下后牙拔除后疼痛的疗效:一项随机、双盲临床试验

Avicenna Journal of Dental Research Pub Date : 2020-12-30 DOI: 10.34172/AJDR.2020.23

A. Haghighat, S. Ramezanzade

{"title":"Effectiveness of Preoperative Chlorhexidine Mouthwash on Pain After Lower Posterior Teeth Removal: A Randomized, Double-Blind Clinical Trial","authors":"A. Haghighat, S. Ramezanzade","doi":"10.34172/AJDR.2020.23","DOIUrl":"https://doi.org/10.34172/AJDR.2020.23","url":null,"abstract":"Background: Pain is one of the most common complications after tooth extraction and pain control is a crucial part of the procedure. The purpose of this study was to investigate the influence of 0.2% (w/v) chlorhexidine (CHX) gluconate mouth rinse on the severity of post-extraction pain. Methods: A prospective, randomized, double-blind trial was conducted among 170 subjects. Subjects were instructed to rinse with 15 mL of CHX mouth rinse (study group) or placebo (control group) 0.5 to 1 hour before extraction. Post-operative pain was evaluated considering the number of taken rescue analgesics and using a visual analog scale (VAS) that each case completed 6, 12, 24, and 48 hours after the surgery. The Mann-Whitney U test was performed in this regard. Results: There were no significant differences between the two groups regarding demographic variables (P>0.05). The preoperative use of CHX mouth rinse showed a better performance in mitigating the perceived pain. A significant difference in the pain level (P=0.001) was found only at the 6th hour postoperatively although there was no significant difference in the pain level between the two groups (P>0.05) at all other times (12th, 24th, 48th hours). The total number of analgesics that were taken by the study group was significantly lower compared to the control group (P=0.042). Conclusions: The preoperative CHX mouth rinse could be a beneficial choice for reducing pain after simple tooth extractions.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88788920","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}

引用次数: 0

An In Vitro Analysis of the Antifungal Effect of Nystatin and Fluconazole Incorporated into Tissue Conditioner with and Without Using Varnish Containing Self-cured Resin and 1,1,1-Trichloroethane 含1,1,1-三氯乙烷自固化树脂清漆和不含自固化树脂清漆的组织调理剂中制霉菌素和氟康唑的体外抑菌效果分析

Avicenna Journal of Dental Research Pub Date : 2020-12-30 DOI: 10.34172/AJDR.2020.22

S. Ghasemi, Safa Raeesi, Katayoun Sadr, A. Kiafar, A. Babaloo

{"title":"An In Vitro Analysis of the Antifungal Effect of Nystatin and Fluconazole Incorporated into Tissue Conditioner with and Without Using Varnish Containing Self-cured Resin and 1,1,1-Trichloroethane","authors":"S. Ghasemi, Safa Raeesi, Katayoun Sadr, A. Kiafar, A. Babaloo","doi":"10.34172/AJDR.2020.22","DOIUrl":"https://doi.org/10.34172/AJDR.2020.22","url":null,"abstract":"Background: Incorporating antifungal drugs into liners has been proposed to treat denture stomatitis. Varnish application on tissue conditioners can decrease the porosities and irregularities, biofilm, and pathogens adhesion. In this study, we evaluated the effect of varnish application on releasing the antifungal drugs incorporated into tissue conditioners. Methods: Pure form of nystatin and fluconazole were mixed into tissue conditioner powder separately at 5% wt/wt concentration and prepared according to manufacturer’s instruction. Then, disk-shaped specimens (5 mm in diameter and 1 mm in thickness) were prepared at 30 nystatin and 30 fluconazole specimens. Varnish (containing 50 mL of 1,1,1-trichloroethane and 3 ml of self-cured resin) was applied on the surface of 15 disks of each drug and the other specimens were used as the control group (without varnish). Next, the disks were put in agar plates cultured with standard Candida albicans and incubated for 7 days. Mean inhibition diameter for each disk was measured with digital caliper at 24 hours, 3 days, and 7 days. Each step was performed in triplicate. Data was analyzed with one-way ANOVA and Friedman, Wilcoxon, and Mann-Whitney U tests. Results: The mean inhibition diameter (MID) at days 1, 3, and 7 in fluconazole without varnish group was 12.63, 3.90, and 3.67, respectively; in fluconazole with varnish was 3.00, 2.50, and 2.50, respectively; in nystatin without varnish was 5.78, 3.90, and 3.87, respectively; in nystatin with varnish group was 2.50, 0.00, and 0.00, respectively. fluconazole without varnish group exhibited significantly higher MID and nystatin with varnish group had lower MID. Conclusions: In this experimental study, fluconazole was more effective than nystatin. In groups without varnish, antifungal effect continued up to day 7. Using varnish in tissue conditioner can decrease antifungal effect.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87737767","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}

引用次数: 0

Prevalence and Anatomic Characteristics of Accessory Mental Foramen Using Cone-Beam Computed Tomography Views in an Iranian Population 在伊朗人群中使用锥束计算机断层扫描观察副精神孔的患病率和解剖特征

Avicenna Journal of Dental Research Pub Date : 2020-12-30 DOI: 10.34172/AJDR.2020.27

Marouf Noruzi, M. Mostafavi, A. Ghaznavi, A. A. Abdollahi

{"title":"Prevalence and Anatomic Characteristics of Accessory Mental Foramen Using Cone-Beam Computed Tomography Views in an Iranian Population","authors":"Marouf Noruzi, M. Mostafavi, A. Ghaznavi, A. A. Abdollahi","doi":"10.34172/AJDR.2020.27","DOIUrl":"https://doi.org/10.34172/AJDR.2020.27","url":null,"abstract":"Background: Determining the incidence and anatomic features of accessory mental foramen (AMF) in the Iranian population is of vital importance. This study investigated the prevalence and anatomic characteristics of AMF using cone-beam computed tomography (CBCT) in a selected Iranian population. Methods: A total of 853 CBCT images from 440 women and 413 men were examined in this cross-sectional retrospective study. The images were evaluated by two independent observers using reconstructed 3-dimensional, cross-sectional, and panoramic views. Several parameters were assessed, including the location of AMF relative to mental foramen (MF), size and the point of canal bifurcations, and the distance between the main and accessory canals. Finally, statistical differences in the AMF prevalence in terms of gender and direction and its location were evaluated by the Mann-Whitney U test (P<0.05). Results: The prevalence of AMF was 10.55%, which was more frequently located in the posterior inferior area relative to the main MF, and its nerve was more frequently originated from the anterior loop (P=0.001). There were no statistically significant differences in gender (P=0.26) and direction (P=0.4). The mean distance of AMF was 7.62 mm. The mean height of MF and the AMF vertical height were 13.65 mm and 52.12 mm in those with AMF on one side, respectively, and this difference was statistically significant (P=0.001). The sizes of the MF and AMF were 3.2 mm (large diameter), 2.3 mm (small diameter), and 1.4 mm (large diameter), and 1.1 mm (small diameter), respectively. Conclusions: Based on the findings of the present study, the prevalence of AMF according to hemi-mandibular was 5.80% in the selected Iranian population. Thus, AMF might branch from any section of the inferior alveolar nerve and the mandibular canal.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"214 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74490127","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}

引用次数: 0

Examining the Effect of Laser Radiation on the Repair of Dental Composite Restorations: A Systematic Review 激光辐射对口腔复合修复体修复效果的研究综述

Avicenna Journal of Dental Research Pub Date : 2020-12-30 DOI: 10.34172/AJDR.2020.28

L. Rezaei-Soufi, F. Maddah, Y. Mohammadi

{"title":"Examining the Effect of Laser Radiation on the Repair of Dental Composite Restorations: A Systematic Review","authors":"L. Rezaei-Soufi, F. Maddah, Y. Mohammadi","doi":"10.34172/AJDR.2020.28","DOIUrl":"https://doi.org/10.34172/AJDR.2020.28","url":null,"abstract":"Background: This study aimed to determine the impact of laser radiation on the repair bond strength of dental composite restorations by gathering, assessing, and systematically reviewing previous articles referring to this issue. Methods: Several previous studies relevant to the objectives of this research were found in PubMed, Scopus, and Web of Science databases. All prior articles indexed in these databases according to the selected keywords until 2018 were gathered and assessed. Some article abstracts showed the necessary basic conditions for inclusion in the study. Therefore, the full texts of these relevant articles were further evaluated in terms of the study objectives. Results: A total of 300 relevant articles were obtained by searching the databases. Eight studies remained highly relevant after performing a title review, eliminating the duplicate articles, and implementing the selection criteria. The latest study was conducted in 2018. A statistically significant difference was observed between the impacts of laser and other methods in the seven of these final relevant studies. Of these articles, five indicated a better impact in the case of other methods, particularly the dental milling technique, and one study was related to the impacts of the laser method. Additionally, the Er,Cr: YSGG laser was considered the most adequate laser in these studies. Conclusions: According to the review of prior studies on the impact of laser radiation on the repair bond strength of composite restorations, Er: YAG and Er,Cr: YSGG lasers are advised for surface preparation of composites. However, surface preparation by adopting the milling technique remains the adequate choice for repairing composites.","PeriodicalId":8679,"journal":{"name":"Avicenna Journal of Dental Research","volume":"82 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79301243","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}

引用次数: 1