Yazar "Hatipoglu, Omer" seçeneğine göre listele
Listeleniyor 1 - 15 / 15
Sayfa Başına Sonuç
Sıralama seçenekleri
Öğe A retrospective radiological analysis of impacted mandibular third molar teeth and associated pathologies in a group of adult patients Impacted mandibular third molar teeth and associated pathologies(Bayrakol Medical Publisher, 2021) Temur, Katibe Tugce; Hatipoglu, OmerAim: Deciding on prophylactic extraction of impacted mandibular teeth can be challenging for clinicians. This study aimed to categorize the impacted mandibular teeth in a group of adult patients by two different classifications and determine their relationship with pathological changes. Material and Methods: Preoperative panoramic radiographs of 1165 patients who had previously undergone removal of impacted mandibular third molar teeth were analyzed. Impacted teeth were categorized according to the Winter and Pell & Gregory classifications. Associated pathological findings included caries in adjacent molar teeth, pericoronal radiolucencies, possible cyst or tumor finding, and root resorption in adjacent molar teeth. Results: The most common pathological findings associated with impacted mandibular third molars were pericoronal radiolucency (33.7%) and caries in second molars (24.9%), respectively. Distal decays were detected in second molars adjacent to those in mesioangular, Class I, and Level A positions. Radiolucency was found most frequently in those in vertical, Class II, and Level B positions (p<0.001). Cyst and tumor were found to be most common in those in horizontal, Class III, and Level C positions (p <0.001). Finally, resorption was found to be most common in impacted teeth in the horizontal and Class II positions (p<0.001). Discussion: Considering the positions of impacted mandibular third molars may provide an estimate of the possible future pathologies. This study may provide dentists and oral and maxillofacial surgeons with guiding findings in deciding on prophylactic removal of impacted teeth.Öğe Assessment of the Prevalence of Middle Mesial Canal in Mandibular First Molar: A Multinational Cross-sectional Study with Meta-analysis(Elsevier Science Inc, 2023) Hatipoglu, Fatma Pertek; Magat, Guldane; Hatipoglu, Omer; Taha, Nessrin; Alfirjani, Suha; Zainal, Imran; Lehmann, Anna PaulinaBackground: An additional canal found in the mandibular first molar (M1M) is the middle mesial canal (MMC), which is often missed during root canal treatment. In this study, the prevalence of MMC in M1M on cone-beam computed tomography (CBCT) images was evaluated in 15 countries, along with the effect of some demographic factors on its preva-lence. Methods: Deidentified CBCT images were scanned retrospectively, and the ones including bilateral M1Ms were included in the study. A written and video instruction program explaining the protocol to be followed step-by-step was provided to all observers to calibrate them. The CBCT imaging screening procedure consisted of evaluating three planes (coronal, sagittal, and axial) after a 3-dimensional alignment of the long axis of the root(s). The presence of an MMC in M1Ms (yes/no) was identified and recorded. Results: In total, 6304 CBCTs, representing 12,608 M1Ms, were evaluated. A significant difference was found between countries (P < .05). MMC prevalence ranged from 1% to 23%, and the overall prevalence was 7% (95% confidence interval [CI]: 5%-9%). No significant differences were found between the left and right M1M (odds ratio = 1.09, 95% CI: 0.93, 1.27; P > .05) or between genders (odds ratio= 1.07, 95% CI: 0.91, 1.27; P > .05). As for the age groups, no significant differences were found (P > .05). Conclusions: The prevalence of MMC varies by ethnicity, but it is generally estimated at 7% worldwide. Physicians must pay close attention to the presence of MMC in M1M, especially for opposite M1Ms, due to the prevalence of MMC being significantly bilateral. (J Endod 2023;49:549-558.)Öğe Assessment of the Prevalence of Radix Entomolaris and Distolingual Canal in Mandibular First Molars in 15 Countries: A Multinational Cross-sectional Study with Meta-analysis(Elsevier Science Inc, 2023) Hatipoglu, Fatma Pertek; Magat, Guldane; Hatipoglu, Omer; Al-khatib, Hanan; Elatrash, Anas S.; Abidin, Imran Zainal; Kulczyk, TomaszAim: The aim of this study was two-folded: i) to assess the prevalence of Distolingual Canal (DLC) and Radix Entomolaris (RE) in Mandibular First Molars (M1Ms), using Cone Beam Computed Tomography (CBCT) images and ii) to assess the impact of sociodemographic factors on the prevalence of these conditions worldwide.Methods: CBCT images were scanned retrospectively and the ones including bilateral M1Ms were included in the study. The evaluation was performed by 1 researcher in each country, trained with CBCT technology. A written and video instruction program explaining the protocol to be followed step-by-step was provided to all observers to calibrate them. The CBCT imaging screening procedure consisted of evaluating axial sections from coronal to apical. The presence of DLC and RE in M1Ms (yes/ no) was identified and recorded.Results: Six thousand three hundred four CBCTs, representing 12,608 M1Ms, were evaluated. A significant difference was found between countries regarding the prevalence of both RE and DLC (P , .05). The prevalence of DLC ranged from 3% to 50%, and the overall prevalence was 22% (95% CI: 15%-29%). RE prevalence ranged from 0% to 12%, and the overall prevalence was 3% (95% CI: 2%-5%). There were no significant differences between left and right M1Ms or between genders for either DLC or RE (P . .05).Conclusion: The overall prevalence of RE and DLC in M1Ms was 3% and 22%. Additionally, both RE and DLC showed substantial bilaterally. These variations should be considered by endodontic clinicians during endodontic procedures in order to avoid potential complications. (J Endod 2023;49:1308-1318.)Öğe Automatic deep learning detection of overhanging restorations in bitewing radiographs(Oxford Univ Press, 2024) Magat, Guldane; Altindag, Ali; Hatipoglu, Fatma Pertek; Hatipoglu, Omer; Bayrakdar, Ibrahim Sevki; Celik, Ozer; Orhan, KaanObjectives This study aimed to assess the effectiveness of deep convolutional neural network (CNN) algorithms for the detecting and segmentation of overhanging dental restorations in bitewing radiographs.Methods A total of 1160 anonymized bitewing radiographs were used to progress the artificial intelligence (AI) system for the detection and segmentation of overhanging restorations. The data were then divided into three groups: 80% for training (930 images, 2399 labels), 10% for validation (115 images, 273 labels), and 10% for testing (115 images, 306 labels). A CNN model known as You Only Look Once (YOLOv5) was trained to detect overhanging restorations in bitewing radiographs. After utilizing the remaining 115 radiographs to evaluate the efficacy of the proposed CNN model, the accuracy, sensitivity, precision, F1 score, and area under the receiver operating characteristic curve (AUC) were computed.Results The model demonstrated a precision of 90.9%, a sensitivity of 85.3%, and an F1 score of 88.0%. Furthermore, the model achieved an AUC of 0.859 on the receiver operating characteristic (ROC) curve. The mean average precision (mAP) at an intersection over a union (IoU) threshold of 0.5 was notably high at 0.87.Conclusions The findings suggest that deep CNN algorithms are highly effective in the detection and diagnosis of overhanging dental restorations in bitewing radiographs. The high levels of precision, sensitivity, and F1 score, along with the significant AUC and mAP values, underscore the potential of these advanced deep learning techniques in revolutionizing dental diagnostic procedures.Öğe Can tooth color be used as part of caries risk assessment? A cross-sectional study Tooth color and dental caries burden(Bayrakol Medical Publisher, 2021) Hatipoglu, Omer; Maras, Edanur; Temur, Katibe TugceAim: This study aimed to investigate whether the colors of the maxillary central incisor (MCl) and the maxillary first premolar (MPl) can serve as indicators to estimate dental caries risk. Material and Methods: A total of 140 healthy dentistry students aged 18-25 years participated in this cross-sectional study. The MCl and MPl were polished with a polishing brush for 20 seconds. After polishing, in room light, L.*, b*, chroma, and hue values were measured from three different regions of the teeth with the VITA Easyshade spectrophotometer device. After color evaluation, dental caries burden was determined according to the Decayed, Missing, and Filled Teeth (DMFT) index. A questionnaire addressing demographic features, dietary habits, and smoking habits was also administered. Spearman's correlation tests and multiple linear regression analyses were conducted. Result No significant correlation was found between DMFT scores and L* values. The DMFT index was positively correlated with the a*, b*, and chroma of the MCl but was negatively correlated with hue. in terms of the MPl, no significant correlation was detected between DMFT and color parameters. Smoking and tooth-brushing had significant effects on MCl b* and chroma and on MCI a*, b*, and chroma, respectively. No significant effect of confounding factors was observed on MPl L*, a*, b*, chroma, or hue. Discussion: This study concludes that dental caries risk may be predicted with color values of the MC1. However, the same does not apply for the MPl. The ability to predict dental caries by evaluating the color of the MC1 shows the potential for color to be used as a part of caries risk assessment.Öğe Caries-related salivary parameters and oral microbial flora in patients with type 1 diabetes: A meta-analysis(Wiley, 2022) Hatipoglu, Omer; Onsuren, Asli Sogukpinar; Hatipoglu, Fatma Pertek; Kurt, AycaObjectives This study aimed to conduct a meta-analysis by synthesising the outcomes of studies that investigated the relationship between type 1 diabetes (T1D) and salivary flow rate (SFR), salivary pH (SpH), salivary buffer capacity (SBC), streptococcus Mutans (SM), and lactobacillus (LB) counts. Material and Methods The PRISMA statement guide was followed for the meta-analysis. Electronic databases were searched, and study selection and data collection processes were performed. The risks of bias in individual studies and across studies were assessed. Mean differences (MD) and Odds Ratio (OR) were used to measure the effect estimates in the comparisons. Results 29 studies were included in the qualitative and quantitative syntheses. Significantly higher SFR (MD = -0.22, CI: -0.26, -0.18; p < 0.001) and SpH (MD = -0.59, CI: -0.81, -0.36; p < 0.001) were observed in the healthy individuals than T1D individuals. No significant difference was observed among groups in terms of SBC (MD = 0.10, CI: -0.46,0.66; p = 0.73). An increased odds ratio of SM counts were observed regarding the T1D (OR = 3.09, 95% CI: 1.16, 8.20; p = 0.02). No association was found between LB counts and T1D (OR = 2.15, 95% CI: 0.38, 11.98; p = 0.38). Conclusions Subjects with T1D have a significantly lesser SFR and SpH than healthy individuals. But no significant difference is available in terms of SBC. Lower SM counts were observed in individuals with T1D, while no association was observed regarding LB counts. The tendency to dental caries is more likely in subjects with T1D due to lower SFR, SpH, and higher SM.Öğe Comparison between a glass ionomer cement and a compomer concerning bonded acrylic expander retention and white spot formation A randomized clinical trial(Urban & Vogel, 2023) Kucukonder, Abdurahman; Hatipoglu, OmerBackgroundThe goal of the present study was to compare a compomer and a glass ionomer cement (GIC) used for full the cementation of acrylic splint-type maxillary expanders with respect to failure rate and white spot lesions (WSLs) in vivo.MethodsA total of 120 patients with posterior crossbite and transverse maxillary deficiency were included to the study. The patients were randomly allocated to two groups: GIC group (n = 60) and compomer group (n = 60). The hyrax screw in both groups was activated two times a day for the first week then once a day until the desired amount of expansion was achieved. The rapid maxillary expansion (RME) appliance was left in the mouth for an extra month after the active expansion phase as a retention appliance. Then cementation failures were recorded. In addition, the patients were evaluated for white spot lesions (WSLs) before cementation and after removal of the appliance.ResultsA total of 12 (20%) and 2 (3.3%) RME devices failed in the GIC and the compomer group, respectively. This difference between groups was statistically significant (p = 0.044). There were also statistically significant differences between the GIC and compomer groups in terms of WSLs on the central (p = 0.06) and lateral (p = 0.011) incisors, and on the first molar (0.028). However, no differences were observed for the canines (p = 0.185), first (p = 0.457) and second premolars (p = 0.116). In total, there was a statistically significant difference between the GIC and compomer groups (p = 0.048), with more WSLs in the GIC group.ConclusionsAmong the products used in the study, the compomer should be preferred over the GIC for cementation of acrylic splint-type rapid maxillary expanders in terms of failure rate and WSLs.Öğe Comparison of degree of conversion performance of bulk-fill resin composites: A systematic review and network meta-analysis of in vitro studies(Elsevier Sci Ltd, 2024) Hatipoglu, Omer; Par, Matej; Hatipoglu, Fatma PertekObjectives: To systematically compile data on the degree of conversion (DC) for bulk-fill composites using a network meta-analysis. Methods: A systematic search for in vitro studies of DC of bulk-fill composites was performed in PubMed, Web of Science, Scopus, and Open Grey. Risk of bias within studies and due to missing evidence was assessed using the Joanna Briggs Institute scoring system and ROB-MEN tool, respectively. The primary outcome was the DC of bulk-fill composites. Surface Under the Cumulative Ranking curve (SUCRA) was used to rank relative performance. Inconsistencies in the model were investigated to ensure its validity and the level of confidence in the network meta-analysis (CINeMA) was assessed. Results: A total of 28 studies were included in the quantitative analysis. The average DC values (%) for 0-h/top, 0h/bottom, 24-h/top, and 24-h/bottom were 59.09, 57.14, 66.73, and 63.87, respectively. According to their SUCRA ranking, the best-performing composites were: SonicFill, Venus Bulk Fill, and SDR (0-h/top), Reveal HD, i-Flow Bulk Fill, and Venus Bulk- Fill (0-h/bottom), Venus Bulk Fill, SDR, and QuiXfil (24-h/top), and Venus Bulk Fill, Aura Bulk Fill, and i-Flow Bulk Fill (24-h/bottom). Incoherence between direct and indirect evidence was identified as the most significant factor affecting confidence. Conclusions: DC values of bulk-fill composites were within the range commonly reported for previous generations of conventional composites, with flowable composites tending to perform better than sculptable composites. High variability in DC data was observed, which may be attributed to incompletely understood methodological differences. Clinical significance: DC is a fundamental parameter that influences multiple mechanical and biological properties of resin composites and is particularly relevant for the group of bulk-fill composites that are designed for use in thick layers.Öğe Comparison of mandibular morphometric parameters in digital panoramic radiography in gender determination using machine learning(Springer, 2024) Pertek, Hanife; Kamasak, Mustafa; Kotan, Soner; Hatipoglu, Fatma Pertek; Hatipoglu, Omer; Kose, Taha EmreObjectiveThis study aimed to evaluate the usability of morphometric features obtained from mandibular panoramic radiographs in gender determination using machine learning algorithms.Materials and methodsHigh-resolution radiographs of 200 patients aged 20-77 (41.0 +/- 12.7) were included in the study. Twelve different morphometric measurements were extracted from each digital panoramic radiography included in the study. These measurements were used as features in the machine learning phase in which six different machine learning algorithms were used (k-nearest neighbor, decision trees, support vector machines, naive Bayes, linear discrimination analysis, and neural networks). To evaluate the reliability, we have performed tenfold cross-validation and we repeated this 10 times for every classification process. This process enhances the reliability of the results for other datasets.ResultsWhen all 12 features are used together, the accuracy rate is found to be 82.6 +/- 0.5%. The classification accuracies are also compared using each feature alone. Three features that give the highest accuracy are coronoid height (80.9 +/- 0.9%), condyle height (78.2 +/- 0.5%), and ramus height (77.2 +/- 0.4%), respectively. When compared to the classification algorithms, the highest accuracy was obtained with the naive Bayes algorithm with a rate of 84.0 +/- 0.4%.ConclusionMachine learning techniques can accurately determine gender by analyzing mandibular morphometric structures from digital panoramic radiographs. The most precise results are achieved by evaluating the structures in combination, using attributes obtained from applying the MRMR algorithm to all features.Öğe Evaluation of Color Stability of Experimental Dental Composite Resins Prepared from Bis-EFMA, A Novel Monomer System(Technical Assoc Photopolymers,Japan, 2021) Hatipoglu, Omer; Turumtay, Emine Akyuz; Saygin, Aysegul Goze; Hatipoglu, Fatma PertekColor stabilities of experimental composite resins based on Bis-EFMA (a novel bisphenol A [BPA]-free monomer system) with 3M ESPE FiltekTM Z250 (FZ) and experimental composite resins based on bisphenol A-glycidyl methacrylate (Bis-GMA) and urethane dimethacrylate (UDMA) were compared. Bis-EFMA was synthesized via the reaction between 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene and 2-(methacryloyloxy)ethyl isocyanate. Experimental Bis-EFMA-, Bis-GMA-, and UMDA-based composites were prepared (20% of each of Bis-EFMA, Bis-GMA, UDMA, or triethylene glycol dimethacrylate (TEGDMA) and 60% glass filler). Eighty composite resin materials were produced (n=5). The initial color values of composites on the first day, first week, and after the first month after immersion into black tea, coffee, cola, and water solutions were measured using a spectrophotometer (VITA Easyshade (R) V; Zahnfabrik, Bad Sackingen, Germany) against a white background. UDMA- and Bis-EFMA-based composite resins exhibited significantly less Delta E and Delta L compared to Bis-GMA based composite resins (p < 0.05). No significant difference was found between FZ and other composites (p > 0.05). Tea and coffee caused significant changes in total color, light value, red-green, and blue-green coordinate values changes (Delta E, Delta L, Delta a, and Delta b, respectively) compared to water and cola (p < 0.05). At one month compared to one week and one day, Delta E, Delta L, Delta a, and Delta b were significantly different (p < 0.05). Bis-EFMA has the potential to be used in commercial dental composites as a substitute for Bis-GMA in terms of better color stability.Öğe Evaluation of monomer elution, microhardness, and roughness of experimental dental composite resins prepared from Bis-EFMA, a novel monomer system(Wiley, 2022) Hatipoglu, Omer; Turumtay, Emine Akyuz; Saygin, Aysegul GozeThis study aimed to compare the monomer elution, microhardness, and roughness of experimental resin-based composites (RBCs) prepared from a novel monomer system derived from 9,9-Bis[4-(2-hydroxyethoxy)phenyl]fluorene) (Bis-EFMA), bisphenol A-glycidyl methacrylate (Bis-GMA), and urethane dimethacrylate (UDMA) with each other, also with a commercial RBC, 3 M ESPE FiltekTM Z250 (FZ). Experimental Bis-EFMA (ET), Bis-GMA (BT), and UDMA (UT) based composites were prepared (20% Bis-EFMA or 20% Bis-GMA or 20% UDMA, and 20% triethylene glycol dimethacrylate [TEGDMA], and 60% glass filler). 60 specimens were produced (n = 5) and exposed to ethanol solution for 7 days. Then specimens were tested at baseline (T0), first (T1), third (T2), and seventh (T3) days. ET and FZ released significantly lower TEGDMA than other RBCs did (p < 0.05). BT released significantly higher TEGDMA than other RBCs did at T1 (p < 0.05). However, no significant difference was found between FZ and ET at T1 (p > 0.05). FZ exhibited the highest microhardness at all-time points; besides, the microhardness of BT was lowest at T0, while the microhardness of BT and UT was lower than that of FZ and ET at T1, T2, and T3 (p < 0.05). BT exhibited higher roughness at T2 than the UT did at T0 and T1, significantly (p < 0.05). However, no significant difference was found between the other RBCs (p > 0.05). Bis-EFMA, a novel bisphenol A-free monomer system, has the potential to be used in commercial RBCs as a substitute for Bis-GMA in terms of lower monomer elution and higher microhardness.Öğe Factors Affecting the Decision-making of Direct Pulp Capping Procedures among Dental Practitioners: A Multinational Survey from 16 Countries with Meta-analysis(Elsevier Science Inc, 2023) Hatipoglu, Omer; Hatipoglu, Fatma Pertek; Javed, Muhammad Qasim; Nijakowski, Kacper; Taha, Nessrin; El-saaidi, Christina; Sugumaran, SurendarIntroduction: Direct pulp capping (DPC) procedures require the placement of a bioactive material over an exposure site without selective pulp tissue removal. This web-based multi centered survey had 3 purposes: (1) to investigate the factors that affect clinicians' decisions in DPC cases, (2) to determine which method of caries removal is preferred, and (3) to evaluate the preferred capping material for DPC. Methods: The questionnaire comprised 3 sections. The first part comprised questions regarding demographic features. The second part comprised questions on how treatment plans change according to factors such as nature, location, number and size of the pulp exposure, and patients' age. The third part composed of questions on the common materials and techniques used in DPC. To estimate the effect size, the risk ratio (RR) and 95% confidence interval (CI) were calculated using a meta-analysis software. Results: A tendency toward more invasive treatment was observed for the clinical scenario with carious-exposed pulp (RR = 2.86, 95% CI: 2.46, 2.32; P < .001) as opposed to the clinical scenario with 2 pulp exposures (RR = 1.38, 95% CI: 1.24, 1.53; P < .001). Complete caries removal was significantly preferred to selective caries removal (RR = 4.59, 95% CI: 3.70, 5.69; P < .001). Among the capping materials, calcium silicate-based materials were preferred over calcium hydroxide-based materials (RR = 0.58, 95% CI: 0.44, 0.76; P < .05). Conclusions: While carious-exposed pulp is the most important factor in clinical decisions regarding DPC, the number of exposures has the least impact. Overall, complete caries removal was preferred over selective caries removal. In addition, the use of calcium silicate-based materials appears to have replaced calcium hydroxide-based materials.Öğe Potential Renal Acid Load, Salivary Buffer Capacity and Healthy Eating Index as Predictors of Children's Dental Caries: A Cross-Sectional Study(Springernature, 2023) Kibaroglu, Elif; Kurt, Ayca; Ozbek, Yagmur Demirel; Saral, Ozlem; Hatipoglu, OmerIntroduction: Dental caries is one of the most common childhood diseases. This study purposed to investigate the prediction capability of potential renal acid load (PRAL), salivary buffer capacity (SBC), and Healthy Eating Index (HEI) on children's dental caries. Methods: The decay, missing, filing, and teeth for primary teeth (dmft)/Decay, Missing, Filling, and Teeth for permanent teeth (DMFT) indexes of the children aged 7-12 years who applied to our faculty were recorded. Approximately 1 mL of unstimulated saliva samples were collected, and SBC was evaluated. PRAL and HEI scores were calculated by entering the data in the form of a daily nutrition record of the children into the BeBiS software (Ebispro for Windows, Stuttgart, Germany). The association of dental caries indices with PRAL, SBC, and HEI was analyzed using an independent sample t -test. A binomial logistic regression analysis was performed to predict the dental caries burden. The statistical significance level was adjusted to a=0.05. Results: A total of 150 children, 88 (58.6%) females and 62 (41.4%) males, were included in the study. Significant differences were found between the low and high dental caries groups for dmft regarding PRAL and SBC (p<0.001). A significant difference was found between the low and high dental caries groups for DMFT in terms of SBC (p<0.05). Conclusion: In our study, established regression models significantly predicted dental caries in primary teeth. SBC was the most influential factor in predicting dental caries compared to PRAL and HEI. There was a significant relationship between SBC, PRAL, and caries in primary teeth. In the model we created, the strongest predictor was SBC.Öğe Repair versus replacement of defective direct dental restorations: A multinational cross-sectional study with meta-analysis(Elsevier Sci Ltd, 2024) Hatipoglu, Omer; Martins, Joao Filipe Brochado; Karobari, Mohmed Isaqali; Taha, Nessrin; Aldhelai, Thiyezen Abdullah; Ayyad, Daoud M.; Madfa, Ahmed A.Objectives: When dental practitioners encounter a defective restoration, they are faced with a crucial decision whether to repair or replace it. This study aims to explore international preferences for repair procedures and the clinical steps taken during the repair process. Method: An 11-question survey was distributed to dentists across 21 countries via different platforms. The survey comprised two sections: the first included five questions aimed at gathering demographic information, while the second consisted of six questions focusing on participants' practices related to the repair of composite or amalgam restorations A meta-analysis was employed to ascertain the pooled odds ratio of repairing versus replacement. The statistical analysis was carried out using the RevMan 5.3 program and forest plots were generated using the same program to visualize the results. Results: The survey was completed by 3680 dental practitioners. The results indicated a strong tendency to repair defective composite restorations (OR: 14.23; 95% CI: 7.40, 27.35, p < 0.001). In terms of amalgam, there was a significant tendency to replace the restorations (OR: 0.19; 95 % CI: 0.12, 0.30, p < 0.001). When repairing restorations, the most common protocols were etching with orthophosphoric acid and creating an enamel bevel, regardless of the restorative material used. Conclusion: The findings of this study indicate that there exists a knowledge gap among dental practitioners regarding restoration repair. It is imperative that dental practitioners receive proper education and training on restoration repair, to ensure the usage of adequate protocols and restoration survival. Clinical significance: A significant portion of dental practitioners lack the necessary knowledge and education required for the repair of restorations. Therefore, it is imperative to establish guidelines aimed at enhancing the management of defective restorations, along with protocols for clinical interventions. This includes the incorporation of proper courses in undergraduate, graduate, and continuing education programs.Öğe Root canal morphology of mandibular anterior permanent teeth in Turkish sub-population using two classification systems: a cone-beam computed tomography study(Springer, 2024) Magat, Guldane; Hatipoglu, Omer; Kose, Tuba; Hatipoglu, Fatma PertekThis study examined the root and canal morphology of mandibular anterior teeth (MA) in the Turkish sub-population using cone-beam computed tomography (CBCT), comparing the findings based on Vertucci's and Ahmed et al. classification systems. The CBCT images were acquired using the 3D Accuitomo CBCT device. Images that were deemed suitable for visualizing the roots, canals, and the complete pulp chamber and apex were included in the study. Vertucci and Ahmed et al. classification systems were employed to determine the root canal morphology. 500 CBCT images and 3000 teeth were analyzed. Type I ((1)MA(1)) was the most frequent, followed by Type III ((1)MA(1-2-1)). 3.8% of teeth could not be classified with Vertucci system. In canine teeth, Vertucci type III ((1)MA(1-2-1)) was significantly more prevalent in males than females (p = 0.038) and Type I ((1)MA(1)) was less frequent in individuals aged 41-50 (p < 0.05). Canal divergence/merging was the most common at the middle/apical level for central (15.5%) and lateral (10.3%) teeth, and at the coronal/middle level for canine teeth (1.9%). Bilateral similarity was high for all tooth groups (> 78%). One-third of mandibular incisor teeth have two canals, with a significant number exhibiting canal divergence/merging that was separated in the middle region and merged in the apical region. The Vertucci classification was found to be inadequate in some cases, while Ahmed et al. classification was able to classify all mandibular incisors with a single code. Ahmed et al. classification is a more useful system for classifying all MA.
