Journal of dentistry (Shiraz, Iran)最新文献

{"title":"The Impact of Age on the Accuracy of Sexual Dimorphism Using Anthropometric Indices of Maxillary Sinus.","authors":"Najmeh Movahhedian, Leila Gharemani, Fatemeh Akbarizadeh, Leila Khojastepour","doi":"10.30476/dentjods.2025.104945.2561","DOIUrl":"10.30476/dentjods.2025.104945.2561","url":null,"abstract":"<p><strong>Background: </strong>The potential benefit of maxillary sinus measurements for analysis of sexual dimorphism has been proved. Also, it has been shown that maxillary sinus dimensions, as the reliable sex indicators, diminish with age due to physiological and morphological alterations.</p><p><strong>Purpose: </strong>This study aimed to evaluate the effect of age on the accuracy of maxillary sinus indices for sex determination.</p><p><strong>Materials and method: </strong>In this cross-sectional study's research 240 cone beam computed tomography (CBCT) scans (120 males, 120 females), aged 20-70 years old, were evaluated retrospectively. Subjects were categorized into four age groups: 20-29, 30-39, 40-49, and ≥50 years. Each group consisted of 60 subjects. Maximum sinus height, width, length, and distance between two maxillary sinuses were evaluated.</p><p><strong>Results: </strong>All the measurements were higher in men than in women. Generally, the strongest sex indicator was maxillary sinus width However, when analyzing different age groups, the most reliable indicators for determining sex were the distance between the sinuses in the 20-29 age group, sinus height in the 40-49 group, and sinus width in both the 30-39 and 50-and-above age groups. The specific sex discriminant formula showed an accuracy of 78.3% for the ages of 20-29 and 40-49 years as well as 71.7% for the 30-39 and ≥50 age groups.</p><p><strong>Conclusion: </strong>The specific sex discriminant formula presented in this study showed noticeable accuracies for sex determination. Additionally, discriminant analysis revealed that the anthropometric measurements of the maxillary sinus exhibit varying degrees of sexual dimorphism across different age groups.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"18-26"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating the Relationship Human Parvovirus B19 Infection in Benign and Malignant Salivary Gland Tumors.","authors":"Ali Farhadi, Ali Dehghani Nazhvani, Fatemeh Faghihi, Mohammad Hadi Khademi, Hasan Rezazadeh","doi":"10.30476/dentjods.2025.102008.2330","DOIUrl":"10.30476/dentjods.2025.102008.2330","url":null,"abstract":"<p><strong>Background: </strong>Parvovirus B19 is a common virus that can affect everyone, especially immunocompromised patients. The virus is present in various leukemias and solid tumors, and several B19-related diseases including autoimmune disorders, hepatitis, vasculitis, acute and chronic inflammatory diseases, and some thyroid cancers have been described.</p><p><strong>Purpose: </strong>This investigation aimed to quantify the frequency of human Parvovirus-B19 infection in salivary gland tumors, both benign and malignant.</p><p><strong>Materials and method: </strong>In this cross-sectional study, 71 formalin-fixed, paraffin-embedded tissue specimens associated with benign and malignant salivary gland tumors, along with tissues from 30 normal salivary glands from the maxillofacial pathology laboratory of Shiraz Dental School, Chamran, and Rajai teaching hospitals (the main two major referral centers), were examined using nested-PCR to determine if B19 DNA was present. All data, including age, sex, location, and the presence of the virus, were considered, presented in tables, and statistically analyzed. The prevalence of B19 was compared to the normal salivary gland group.</p><p><strong>Results: </strong>B19 DNA was identified in 11 specimens (15.5%) out of the 71 available specimens from the patient group. None of the specimens from the normal salivary gland group tested positive for B19 DNA. Consequently, the prevalence of B19 in the patient group was significantly higher than that in the normal salivary gland group (<i>p</i> Value = 0.031). There was no significant relationship between age, sex, location, type of tumor, and the presence of B19 infection.</p><p><strong>Conclusion: </strong>Our results indicated a relationship between the presence of B19 parvovirus in the patient group compared to that in the control groups. Based on our study's findings, it can be assumed that B19 virus is likely to be presenting in both benign and malignant salivary gland tumors.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"43-47"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080371/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Effect of Different Rotary Systems on Creating Intracanal Dentinal Defects: An <i>Ex Vivo</i> Study.","authors":"Abbas Abbaszadegan, Alireza Adl, Fateme Nemati, Nikta Ranjbar","doi":"10.30476/dentjods.2025.103410.2449","DOIUrl":"10.30476/dentjods.2025.103410.2449","url":null,"abstract":"<p><strong>Background: </strong>The creation of intracanal dentinal defects during root canal preparation is a concern in endodontic treatment; as such defects can compromise the integrity of the tooth and potentially lead to fractures or failure of the treatment. Rotary systems, commonly used for shaping root canals, vary in their design, material, and cutting mechanisms, which may influence the extent of dentinal defects they induce. However, the comparative impact of different rotary systems on the formation of these defects remains unclear.</p><p><strong>Purpose: </strong>The aim of this <i>ex vivo</i> study was to compare the effects of four rotary systems (One-curve, One-shape, Neolix, and ProTaper Universal) on the creation of intracanal dentinal defects in extracted human teeth.</p><p><strong>Materials and method: </strong>In this <i>ex vivo</i> study, seventy extracted human mandibular incisor teeth with straight roots and no extra canals or existing dentinal defects were selected and randomly divided into five groups, including one control group and four experimental groups. In the control group (n=10), no instrumentation was performed. In the experimental groups (n=15 each), instrumentation was done using the rotary systems ProTaper Universal, Neolix, One-shape, and One-curve, respectively. All groups received the same amount of irrigation: 12mL of 2% sodium hypochlorite followed by 3mL of sterile saline. The roots were then horizontally sectioned at 3, 6, and 9 mm from the apex and evaluated under a stereomicroscope for the presence of intracanal defects. Data were analyzed using Chi-square test.</p><p><strong>Results: </strong>The lowest and highest rates of dentinal cracks were observed in the One-curve and One-shape groups, respectively. No significant differences were observed among the experimental groups (<i>p</i> Value=0.46).</p><p><strong>Conclusion: </strong>All tested rotary systems induced dentinal defects. The lowest and highest incidence of dentinal defects occurred in teeth prepared using the One-curve (26%) and One-shape (53%) rotary instruments, respectively.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"13-17"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080351/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of Vitamin D Receptor Gene Polymorphisms with Periodontitis.","authors":"Mohammad Kami, Marie Saghaeian Jazi, Mostafa Allahyari, Elham Fakhari","doi":"10.30476/dentjods.2025.103866.2485","DOIUrl":"10.30476/dentjods.2025.103866.2485","url":null,"abstract":"<p><strong>Background: </strong>Considering the role of vitamin D in regulation of the bone metabolism and the immune system, some have suggested the effect of vitamin D receptor gene polymorphism in susceptibility to periodontitis.</p><p><strong>Purpose: </strong>We aimed to determine the association between vitamin D receptor (VDR) gene polymorphisms <i>Fok1</i>, <i>Apa1</i>, <i>Bsm1</i>, and <i>Taq1</i> and periodontitis.</p><p><strong>Materials and method: </strong>In this case-control study, 51 patients with stage Ⅲ periodontitis (case group) and 51 without (control group) were enrolled. Blood samples were taken to analyze the single nucleotide polymorphism (SNP) using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) after DNA extraction. Finally, the data were analyzed using SPSS software version 17, SNPStats, using Chi-square and t-test.</p><p><strong>Results: </strong>The allelic frequencies of SNP1 (<i>TaqI</i>) (<i>p</i> Value=0.089), SNP2 (<i>ApaI</i>) (<i>p</i>= 0.481), SNP3 (<i>BsmI</i>) (<i>p</i>= 0.566), and SNP4 (<i>FokI</i>) (<i>p</i>= 0.658) were not different between the groups. Genotype frequencies in the four hereditary models of codominant, dominant, recessive and, overdominant were not different in any SNPs. Of 12 haplotypes identified in the study population, TCbF was most frequent in the case group and tABF in the control group (<i>p</i>> 0.05).</p><p><strong>Conclusion: </strong>No significant association was found between VDR gene polymorphisms and periodontitis.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"33-42"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080347/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147700962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of Voids in the Apical Plug of MTA Using Cone-Beam Computed Tomography, Digital Radiography, and Analog Radiography.","authors":"Mahsa Eskandarinezhad, Sedighe Razi, Tirdad Pirzadeh, Sabete Bagheri Sabzevar, Leyla Nazari, Salehe Akhondian","doi":"10.30476/dentjods.2025.104334.2520","DOIUrl":"10.30476/dentjods.2025.104334.2520","url":null,"abstract":"<p><strong>Background: </strong>Achieving a satisfactory apical seal in root canals with open apices can be challenging, with the risk of filling material extrusion into the apex. Timely detection of voids in root canal filling material is crucial to prevent complications.</p><p><strong>Purpose: </strong>This study aimed to compare the accuracy of cone-beam computed tomography (CBCT), digital radiography, and conventional radiography in detecting voids in mineral trioxide aggregate (MTA) apical plugs.</p><p><strong>Materials and method: </strong>In this in vitro study, thirty-two extracted upper maxillary incisors underwent decoronation, root canal instrumentation, and simulation of an apexification model for open apex teeth. The samples were then divided into two groups (n=16) based on void sizes including group A in which MTA was compacted manually as an apical plug, and group B in which MTA apical plug was made with simulated voids using an 0.4-mm diameter needle. CBCT, digital, and analog radiography scans were performed on all samples. The images were assessed by an endodontist and a radiologist to identify the presence of voids. The accuracy of the three methods in detecting voids in MTA apical plugs was evaluated using Chi-square analysis.</p><p><strong>Results: </strong>CBCT (43.8%) showed superior detection of small voids (group A) compared to analog (37.5%) and digital (18.7%) radiography methods, with analog radiography being more effective than digital radiography (<i>p</i>= 0.037). For large void detection (group B), digital radiography (94%) outperformed the other methods, while analog (81.3%) and CBCT (81.3%) techniques exhibited similar diagnostic abilities (<i>p</i>= 0.034). The significance level was set at <i>p</i>< 0.05.</p><p><strong>Conclusion: </strong>CBCT imaging is more effective than analog radiography for detecting small voids, and both methods outperform digital radiography, likely due to CBCT's three-dimensional imaging capabilities. In diagnosing large voids, digital radiography showed higher accuracy than the other techniques, while CBCT and analog radiography had similar diagnostic abilities. Variations in image processing and radiation doses used might account for the differences between these techniques.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"27-32"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080350/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"AI-Powered Microscopic Diagnostic Techniques for <i>Candida albicans</i> Detection: A Systematic Review.","authors":"Reyhaneh Shoorgashti, Farnaz Jafari, Simin Lesan","doi":"10.30476/dentjods.2025.104629.2540","DOIUrl":"10.30476/dentjods.2025.104629.2540","url":null,"abstract":"<p><strong>Background: </strong>Artificial intelligence (AI) powered technologies can help detect <i>Candida albicans</i> (<i>C. albicans</i>) infections, which are a public health challenge due to increasing incidence rates and conventional therapy resistance.</p><p><strong>Purpose: </strong>This review explores recent advancements, methodologies, and clinical implications in the AI-driven microscopic detection of <i>C. albicans</i>.</p><p><strong>Materials and method: </strong>A literature search was conducted across multiple databases, including PubMed, Scopus, Embase, Web of Science, and Google Scholar. Following a thorough review of the retrieved articles, 7 studies were selected for inclusion in this review.</p><p><strong>Results: </strong>This review analyzed 7 studies that employed AI and machine learning (ML) to detect the presence of <i>C. albicans</i>. The most commonly used dataset for detecting <i>C. albicans</i> through AI was microscopic images. Two studies employed time-lapse microscopy, and another study used the microorganism's smell fingerprint or volatile organic compounds with an impressive accuracy of 97.70%. The accuracy of detecting <i>C. albicans</i> through AI using microscopic images ranged from 63% to 100% depending on the model used.</p><p><strong>Conclusion: </strong>AI can improve the detection of <i>C. albicans</i> infections. It can enhance the accuracy, speed, and efficiency of detection, providing clinicians with invaluable support in identifying infections earlier, optimizing treatment strategies, and ultimately improving patient outcomes.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"1-12"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating the Relationship between Stress and Emotional Intelligence with Academic Progress of Dental Students by Measuring Salivary Cortisol Levels.","authors":"Yasamin Barakian, Fatemeh Kazemimoeen, Hamid Asayesh, Samira Hajisadeghi, Elham Keykha","doi":"10.30476/dentjods.2025.104363.2526","DOIUrl":"10.30476/dentjods.2025.104363.2526","url":null,"abstract":"<p><strong>Background: </strong>Dental schools can be a stressful place that may impair students' performance. This stress can be related to several salivary biomarkers such as salivary cortisol. Also, emotional intelligence (EI) is one of the important factors in adapting people to the environment.</p><p><strong>Purpose: </strong>This research investigated the relationship between stress and EI with academic progress in Qom's Dental School students.</p><p><strong>Materials and method: </strong>This cross-sectional (descriptive-analytical) study measured salivary cortisol using the enzyme-linked immunosorbent assay (ELISA) method. It involved 88 dental students in their third to sixth years. The required data were gathered using two standard questionnaires, namely Wang and Law's EI scale and the dental environment stress questionnaire. Pearson's correlation coefficient and independent t-test were used for data analysis.</p><p><strong>Results: </strong>A total of 88 students participated in this research, of which 54.5% were female. Salivary cortisol had no relationship with EI or stress from the dental environment (<i>p</i> Value= 0.201). A direct relationship was found between EI and dental environment stress (<i>p</i> Value= 0.011).</p><p><strong>Conclusion: </strong>This study found no association between salivary cortisol levels, dental environment stress, and EI. Additionally, cortisol levels were inversely related to students' annual grade point average. Conversely, there was no correlation between annual grade point average and EI.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"54-61"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080352/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Does Air Abrasion of Dentin Affect the Bonding Performance of Different Universal Adhesives?","authors":"Fatemeh Safaei-Firoozabadi, Fatemeh Hashemi Moghadam, Seyedeh Farnaz Tabatabaei, Saeed Nemati, Farnaz Madisiar","doi":"10.30476/dentjods.2025.103036.2413","DOIUrl":"10.30476/dentjods.2025.103036.2413","url":null,"abstract":"<p><strong>Background: </strong>Despite significant advancements in adhesive systems, the bond between tooth-colored restorations and dental hard tissues remains a challenge.</p><p><strong>Purpose: </strong>This study aims to evaluate the effects of air abrasion on the bond strength and microleakage of universal adhesives.</p><p><strong>Materials and method: </strong>Eighty intact third molars were used in this <i>in vitro</i> study. Microtensile bond strength (μTBS) was tested on 32 teeth, and microleakage was assessed on 48 teeth. For μTBS testing, occlusal enamel was removed to expose a flat dentin surface. Standardized Class V cavities were prepared on the buccal and lingual surfaces for the microleakage test. Teeth were randomly divided into four groups according to the universal adhesive system used: All-Bond Universal, G-Premio Bond, G2-Bond Universal, and Clearfil SE Universal Bond. Each group was further split into two subgroups based on whether air abrasion pretreatment was applied. A 4-mm composite resin block (Tetric-N-Ceram, Ivoclar Vivadent) was built on the bonding surface for μTBS, and Class V cavities were restored with the same composite for microleakage evaluation. Then μTBS was measured using a universal testing machine, while microleakage was assessed via dye penetration. Data were analyzed using Tukey and t-tests for μTBS, and the Kruskal-Wallis test for microleakage, with significance set at α = 0.05.</p><p><strong>Results: </strong>Air abrasion significantly improved μTBS for All-Bond Universal and Clearfil SE Universal Bond (<i>p</i>< 0.001), G-Premio Bond (<i>p</i>= 0.041), and G2-Bond Universal (<i>p</i>= 0.027). However, it did not significantly affect microleakage (<i>p</i>= 0.32).</p><p><strong>Conclusion: </strong>Pretreating dentin with air abrasion enhances the bond strength of universal adhesives without increasing microleakage, supporting its use in restorative procedures.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"70-79"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080373/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating Calcium Hydroxide Removal Techniques in Endodontics: A Comparative Analysis.","authors":"Vahid Fallahi Sarvenoei, Mohsen Aminsobhani, Babak Farzaneh, Mohammad Ali Ketabi","doi":"10.30476/dentjods.2025.103049.2416","DOIUrl":"10.30476/dentjods.2025.103049.2416","url":null,"abstract":"<p><strong>Background: </strong>Endodontic therapy plays a pivotal role in dentistry, with effective removal of intracanal medications crucial for successful treatment. The lingering presence of calcium hydroxide within dentinal walls can impede sealer adhesion and compromise treatment outcomes.</p><p><strong>Purpose: </strong>This study aimed to compare the efficacy of various methods for removing calcium hydroxide from different regions of the root canal wall.</p><p><strong>Materials and method: </strong>In this <i>in vitro</i> randomized trial study, 108 extracted teeth underwent canal cleaning and shaping using the Dentsply Protaper Gold rotary system. Subsequently, except for the negative control group, all teeth were filled with calcium hydroxide and divided into eight groups. These groups underwent different cleaning protocols involving Gentle Brush or Gentlefile #021 files or master apical file in combination with ethylene-diamine-tetra-acetic acid or sodium hypochlorite solutions. After tooth splitting, stereomicroscopic images were taken, and Digimizer software was utilized to calculate residual calcium levels in coronal, middle, and apical regions. Mann-Whitney test was used to check the effect of the cleaning method and type of washing solution among the methods employed. All the analyses were conducted using SPSS 22.</p><p><strong>Results: </strong>The results indicated that the Gentle Brush method's superior efficacy in calcium hydroxide removal compared to other files, which was statistically significant (<i>p</i> Value <0.01). Similarly, the ethylene-diamine-tetra-acetic acid rinse solution proved more effective than sodium hypochlorite in clearing calcium hydroxide from the canal wall (<i>p</i>< 0.05).</p><p><strong>Conclusion: </strong>The findings suggest that a Gentle Brush combined with an ethylene-diamine-tetra-acetic acid washing solution represents the most effective method for canal cleaning and calcium hydroxide removal. This study underscores the importance of employing efficient techniques to enhance treatment quality in endodontic practice.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"26 4","pages":"325-335"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12627951/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145566269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accessory Maxillary Sinus Ostium Frequency and Correlation with Anatomical Variables and Sinus Mucosal Status: A CBCT Study.","authors":"Seyyed Hosein Rudbarizade, Fereshteh Goudarzi, Kianoosh Malek Zadeh, Masoomeh Afsa","doi":"10.30476/dentjods.2025.104073.2502","DOIUrl":"10.30476/dentjods.2025.104073.2502","url":null,"abstract":"<p><strong>Background: </strong>The accessory maxillary sinus ostium (AMO) is one of the anatomical variations in the maxillary sinus. The acquired or congenital nature of AMO has not been proven. In theory, mucus drained from the principal ostium may reenter the sinus through the accessory ostium and cause maxillary rhinosinusitis.</p><p><strong>Purpose: </strong>The aim of the present study is to investigate the AMO frequency and its correlation with some anatomical and pathological variables in the area using cone-beam computed tomography (CBCT) images.</p><p><strong>Materials and method: </strong>This was a descriptive-analytical cross-sectional study. CBCT images were obtained from 273 individuals and a total of 461 maxillary sinuses. The presence of AMOs and their relationship with age, sex, sinus mucosa condition, patency of the principal ostium, septal deviation, and sinus dimensions were measured.</p><p><strong>Results: </strong>The AMO frequency was 35.6% and 14.63% of sinuses had more than one AMO. AMO was more common in men. There was a statistically significant relationship between AMO presence and abnormal mucosal status of maxillary sinus. The present study showed a statistically significant relationship between the presence of AMO and the anterior-posterior dimension of the sinus.</p><p><strong>Conclusion: </strong>AMO occurred more frequently in the sinuses with abnormal mucosal status. However, when the abnormal sinus mucosa has reached the nasal fontanelle, it is not possible to check the presence of AMO by CBCT images.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"26 4","pages":"302-308"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12627953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145566122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}