Journal of dentistry (Shiraz, Iran)最新文献

{"title":"Evaluating the Impact of Occlusal Adjustment on Post-Orthodontic Outcomes: Insights from T-Scan III Analysis.","authors":"Arezoo Jahanbin, Maryam Omidkhoda, Farnaz Zia, Azam Sadat Madani, Ali Koohrokhi, Zahra Hosseini","doi":"10.30476/dentjods.2025.105593.2604","DOIUrl":"10.30476/dentjods.2025.105593.2604","url":null,"abstract":"<p><strong>Background: </strong>Occlusal changing, spacing, and tooth movement are common problems caused by premature contact after orthodontic treatment. Occlusal adjustment has been suggested to help stabilize orthodontic treatment. T-Scan III system is a rapid and accurate diagnostic tool for digital occlusal analysis in different fields of dentistry, particularly in orthodontics.</p><p><strong>Purpose: </strong>This study aimed to evaluate the impact of occlusal adjustment on post-orthodontic occlusal parameters using the T-Scan III system, focusing on force distribution and occlusal contact dynamics.</p><p><strong>Materials and method: </strong>This interventional randomized controlled trial included 30 patients (17 females and 13 males) aged 17-28 years with Class I malocclusion and severe crowding. The patients were divided into intervention and control groups. All patients under-went fixed orthodontic treatment with the extraction of the first four premolars. The intervention group received occlusal adjustments one month after debonding, while the control group received no intervention. Occlusal relationships were recorded at debonding (T0), one month (T1), and six months (T2) post-debonding using the T-Scan III system. The analyzed key parameters included the occlusal contact intensity, number, and distribution. Independent and paired t-tests, the Mann-Whitney test, the Chi-square test, and the Wilcoxon statistic were used. The significance level for statistical tests was set at <i>p</i> Value< 0.05.</p><p><strong>Results: </strong>No statistically significant differences were observed between the groups in occlusal force intensity or number of contacts at T1 and T2. However, these trends suggest an improved posterior force distribution in the intervention group, highlighting the clinical benefits of the occlusal adjustment.</p><p><strong>Conclusion: </strong>Although not statistically significant, the results suggest that occlusal adjustments supported by T-Scan III analysis may enhance occlusal stability and force distribution after orthodontic treatment. Future studies with larger cohorts and longer follow-up periods are recommended to validate these findings.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 2","pages":"125-131"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242045/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148201509","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":"Effect of an Herbal Mouthwash Derived from Pedicough Syrup on Plaque, Gingival and Bleeding Indices in Patients with Gingivitis: A Randomized Controlled Trial.","authors":"Farin Kiany, Mohammad Ali Farboodniay Jahromi, Maedeh Ghorbani, Soroush Talakesh, Reyhaneh Ebrahimi","doi":"10.30476/dentjods.2025.106004.2622","DOIUrl":"10.30476/dentjods.2025.106004.2622","url":null,"abstract":"<p><strong>Background: </strong>Gingivitis is a reversible periodontal disease caused by plaque. It can be prevented and managed through mechanical and chemical plaque control methods. While chlorhexidine (CHX) is the gold standard mouthwash, its side effects have led to interest in herbal alternatives. Herbal mouthwashes containing plants such as <i>Thymus vulgaris, Hedera helix</i>, and <i>Althaea officinalis</i> show promise for treating gingivitis.</p><p><strong>Purpose: </strong>This study evaluates a novel herbal mouthwash, derived from Pedicough syrup, as an adjunct to scaling and root planning (SRP) for chronic gingivitis treatment.</p><p><strong>Materials and method: </strong>This double-blind randomized clinical trial included 45 systemically healthy individuals diagnosed with generalized chronic gingivitis. All the participants received phase 1 of periodontal treatment (oral hygiene instruction and SRP). They were then randomly assigned to three groups regarding the mouthwash they used as Group 1 (CHX mouthwash), Group 2 (Pedicough mouthwash), and Group 3 (placebo). Participants used 15ml of their assigned mouthwash twice daily for two weeks. At baseline and two weeks after using the mouthwashes, a single blinded operator assessed clinical periodontal parameters including gingival index, bleeding index, and plaque indices, which were evaluated across the entire mouth. Data analysis was conducted using SPSS software with statistical significance set at <i>p</i> Value < 0.05.</p><p><strong>Results: </strong>All groups demonstrated improvements in indices from baseline to the end of the study. The two test groups showed greater reductions in plaque, bleeding, and gingival indices compared to the placebo group, and these differences were statistically significant. However, no significant differences were observed between the test groups in terms of periodontal parameters.</p><p><strong>Conclusion: </strong>The new herbal mouthwash demonstrated beneficial effects on clinical periodontal parameters, including plaque, gingival, and bleeding indices, comparable to those of CHX when used as an adjunct to SRP in patients with gingivitis.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 2","pages":"157-167"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242047/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148201412","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":"Dilated Odontoma of the Mandible: A Rare Case Report with Discussion about the Differential Diagnosis.","authors":"Saede Atarbashi-Moghadam, Ali Lotfi, Nazanin Foroozandehfar, Parsa Eftekhari Moghadam","doi":"10.30476/dentjods.2025.106990.2707","DOIUrl":"10.30476/dentjods.2025.106990.2707","url":null,"abstract":"<p><p>Dilated odontoma is a rare developmental anomaly considered the most severe form of dens invaginatus (dense in dente). It results from a deep enamel-lined invagination into the dental papilla before mineralization, forming a ring-shaped radiopaque mass with a radiolucent center. Anterior mandibular involvement is uncommon. Familiarity with the radiographic features of this lesion is crucial for dental practitioners to make an accurate diagnosis. We report a case of a 12-year-old girl with a painless bony hard swelling in the anterior mandible. Panoramic radiograph revealed a well-defined, doughnut-like radiopaque lesion along with an unerupted permanent canine. The provisional diagnosis was dilated odontoma and ameloblastic fibro-odontoma. The treatment plan consisted of surgical removal of the lesion, followed by histopathologic study to confirm the initial diagnosis. Dilated odontoma may lead to permanent tooth impaction, particularly in atypical locations such as the mandible. It is recommended that the order of tooth eruption in the mixed dentition age group be carefully evaluated.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 2","pages":"176-180"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242051/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148201476","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":"Evaluation of Knowledge and Performance of General Dentists in Shiraz, Iran, Regarding Antibiotic Prescription in Endodontic Treatments (2024).","authors":"Mobarakeh Nazari, Maryam Bakhtiar, Fahime Alimardani, Seyed Ali Mirhoseini Sarvestani, Bahar Asheghi","doi":"10.30476/dentjods.2025.105820.2614","DOIUrl":"10.30476/dentjods.2025.105820.2614","url":null,"abstract":"<p><strong>Background: </strong>Inappropriate antibiotic prescribing in dentistry contributes significantly to global antibiotic resistance. Clinical guidelines published by the American association of endodontists (AAE) explicitly state that clinicians should avoid prescribing antibiotics for uncomplicated dentoalveolar infections unless systemic symptoms are present. Evaluation of compliance with current antibiotic prescribing guidelines and identifying the gaps between knowledge and clinical performance of clinical practitioners is essential.</p><p><strong>Purpose: </strong>This study was conducted to assess the knowledge and clinical performance regarding antibiotic use in endodontic treatments among general dentists in Shiraz, Iran, regarding the latest AAE guidelines.</p><p><strong>Materials and method: </strong>A cross-sectional study was conducted using a validated questionnaire (Content Validity Index= 0.89, Cronbach's α= 0.82) distributed to 140 general dentists and residents in Shiraz via random sampling. The questionnaire assessed (1) demographic characteristics, (2) knowledge of current guidelines, and (3) clinical prescribing performance through case scenarios. We analyzed data from 103 completed responses using IBM SPSS v27.0 (IBM Corp., Armonk, NY, USA) with descriptive statistics, chi-square tests, and binary logistic regression (<i>p</i> Value < 0.05).</p><p><strong>Results: </strong>While participants demonstrated moderate to good theoretical knowledge (70.9% correctly identified first-line antibiotics), significant gaps existed in clinical application. Notably, 69.9% of participants prescribed antibiotics inappropriately for immunocompromised patients. Residents exhibited significantly better practical guideline compliance than general practitioners (<i>p</i>= 0.019). No significant associations were found with gender, clinical experience, or workplace. Also, 88.3% expressed need for further training.</p><p><strong>Conclusion: </strong>Considering moderate to good knowledge, coupled with a low to moderate performance level, significant deviations from AAE guidelines highlight the need for targeted educational interventions, including workshops and curriculum integration, to improve antibiotic stewardship.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 2","pages":"111-119"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242050/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148201520","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":"Comparison of the Antimicrobial Effect of Atorvastatin and Nano-Atorvastatin Mouthwash on <i>Aggregatibacter Actinomycetemcomitans</i>: An <i>in vitro</i> Study.","authors":"Atefeh Ramezani, Tahura Etezadi, Hamidreza Goli, Nafas Daraei, Majid Saeedi, Melika Mollaei, Alireza Sedighi, Abolfazl Hosseinnataj, Hodis Ehsani","doi":"10.30476/dentjods.2025.103864.2483","DOIUrl":"10.30476/dentjods.2025.103864.2483","url":null,"abstract":"<p><strong>Background: </strong>The emergence of resistance, side effects, and the high cost of drugs indicates a need for other therapeutic alternatives with similar properties but fewer side effects.</p><p><strong>Purpose: </strong>The present study aims to compare the antimicrobial effect of atorvastatin and nano-atorvastatin mouthwash on <i>Aggregatibacter Actinomycetemcomitans</i>.</p><p><strong>Materials and method: </strong>In this <i>in vitro</i> study, the atorvastatin and nano-atorvastatin mouthwashes were prepared, and their antibacterial property against <i>Aggregatibacter Actinomycetemcomitans</i> was assessed using the agar well diffusion and microbroth dilution tests. Water and chlorhexidine were considered as the negative and positive control groups. Kruskal-Wallis and Mann-Whitney tests were used to compare the size of the diameter of the non-growth halo. Data analysis was obtained using SPSS V.22, and the significance level was considered less than 0.05.</p><p><strong>Results: </strong>The results of the well diffusion test showed that the diameter of the non-growth halo of chlorhexidine, atorvastatin, and nano-atorvastatin was 27, 18, and 12mm, respectively. The diameter of the halo of non-growth among different substances was statistically significant (<i>p</i> Value=0.08), however, no significant difference was observed between atorvastatin and nano-atorvastatin (<i>p</i>= 0.05). The findings of the microbroth dilution test showed that atorvastatin and nano-atorvastatin had the minimum inhibitory concentration of 0.039 and 0.002 µg/ml, respectively.</p><p><strong>Conclusion: </strong>The present study suggests strong antimicrobial activity of atorvastatin and nano-atorvastatin against <i>Aggregatibacter Actinomycetemcomitans</i>. Therefore, these substances can be used as an additional drug in treating periodontal diseases.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 2","pages":"148-156"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242044/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148201388","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":"Exploring the Feasibility of P7 Medicine Principles in Dental Practice (P7 Dentistry).","authors":"Milad Saeedzadeh, Shahram Hamedani, Saeed Nemati","doi":"10.30476/dentjods.2025.108949.2858","DOIUrl":"10.30476/dentjods.2025.108949.2858","url":null,"abstract":"","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"93-94"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080345/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701150","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":"Oncocytoma of Palate: A Case Report, with an Emphasis on Immunohistochemistry.","authors":"Shubhangi Mani, Amit Mani, Vandana Pandey Tripathi, Manas Bajpai, Shyam Reddy Karakalla","doi":"10.30476/dentjods.2025.105376.2591","DOIUrl":"10.30476/dentjods.2025.105376.2591","url":null,"abstract":"<p><p>Oncocytomas are benign tumors of salivary glands, characterized histopathologically by large epithelial cells with bright and eosinophilic cytoplasm. They occur mostly in parotid glands, with only a small percentage of these tumors occurring in minor salivary glands of buccal, mucosa, palate, maxillary sinus, and tonsillar fossa. They occur primarily in people older than 50 years and generally have a female predilection. Few authors have suggested that oncocytomas of minor salivary glands are more aggressive in nature in comparison to their major salivary gland counterparts. An exhaustive literature review of English language literature revealed 20 cases of minor salivary glands; hence, the present case is 21st case of minor salivary gland oncocytoma. We report a case of palatal oncocytoma in a 31-year-old male which was provisionally diagnosed as pleomorphic adenoma and also describe the immunohistochemical characteristics of this rare tumor of minor salivary glands.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"80-84"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701088","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":"Chondroblastic Osteosarcoma of the Palate: A Rare Case Report with Diagnostic Considerations.","authors":"Iman Mohammadi, Forooz Keshani, Bahareh Fattahi, Mohammad Mehdi Soltani, Arman Roghani","doi":"10.30476/dentjods.2025.104234.2511","DOIUrl":"10.30476/dentjods.2025.104234.2511","url":null,"abstract":"<p><p>Osteosarcoma is a rare and highly malignant primary bone tumor that infrequently occurs in the maxillofacial region. Among these, maxillary osteosarcomas are uncommon, and their occurrence in the palatal region is exceptionally rare, with fewer than five cases reported to date. Chondroblastic osteosarcoma, a subtype characterized by cartilaginous and osteoid components, poses diagnostic challenges due to its histological similarities with other cartilaginous tumors. This study presents a 35-year-old female referred to the Department of Oral and Maxillofacial Surgery at Isfahan University of Medical Sciences with a one-month history of palatal pain and swelling which worsened during eating. Clinical examination revealed a firm, ulcerated mass on the right side of the hard palate, clinically mimicking oral squamous cell carcinoma or salivary gland neoplasms. Radiographic evaluation using cone-beam computed tomography (CBCT) revealed an ill-defined, mixed-density lesion with a moth-eaten appearance, cortical bone destruction, and root resorption of adjacent teeth- features suggestive of an aggressive malignancy. Histopathological examination confirmed the diagnosis of chondroblastic osteosarcoma, a rare histologic subtype characterized by malignant cells producing both osteoid and cartilaginous matrix. Given its resemblance to other cartilaginous tumors, particularly chondrosarcoma, this subtype presents significant diagnostic challenges. The patient underwent hemimaxillectomy, followed by adjuvant chemotherapy. Intraoperative frozen section pathology was used to confirm tumor-free surgical margins- an essential step in reducing recurrence risk. This case underscores the importance of a multidisciplinary approach in the diagnosis and management of rare craniofacial malignancies such as chondroblastic osteosarcoma. Early recognition, accurate diagnosis, and prompt aggressive treatment are crucial for improving patient prognosis and reducing recurrence in such complex and rare presentations.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"85-92"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080372/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147700992","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":"Changes in Orbital Volume following Reconstruction with Alloplastic Materials in Patients with Orbital Trauma.","authors":"Mohammadsaleh Khaghaninejad, Mohammad Dehghani, Farhad Ghorbani, Banafsheh Salehi","doi":"10.30476/dentjods.2025.104766.2549","DOIUrl":"10.30476/dentjods.2025.104766.2549","url":null,"abstract":"<p><strong>Background: </strong>Internal orbital reconstruction is a commonly performed procedure in management of zygomaticomaxillary complex (ZMC) fractures; however, it is not indicated in all cases. In management of orbital trauma, surgeons should not only correct the apparent defects, but also must reinstate the function of the orbit.</p><p><strong>Purpose: </strong>This study aimed to assess the changes in the orbital volume following reconstruction with alloplastic materials in patients with orbital trauma.</p><p><strong>Materials and method: </strong>This retrospective study evaluated all patients with unilateral orbital fracture presenting to the Oral and Maxillofacial Surgery Department of Rajaie Hospital (from 2013 to 2016, Shiraz, Iran) who underwent corrective surgery. The computed tomography (CT) scans of patients were analyzed by Volumetry software to quantify the change in the orbital volume after surgical reconstruction of the orbital floor with alloplastic materials compared with the sound contralateral orbit. Data were analyzed using the Chi-square test and Student t-test (alpha=0.05).</p><p><strong>Results: </strong>Significant differences were found in the volume of the traumatized orbit with sound contralateral orbit and the orbital volume after corrective surgery (p Value< 0.05). Corrective surgery was successful in all patients, and the orbital volume after treatment had no significant difference with the volume of the sound contralateral orbit (p> 0.05).</p><p><strong>Conclusion: </strong>Corrective surgery with alloplastic materials can successfully regain the orbital volume in patients with orbital floor fracture, with no significant difference with the volume of the sound contralateral orbit.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"48-53"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080346/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701022","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":"Evaluation of the Relationship between Maxillary and Mandibular Third Molar Impaction and Vertical and Anteroposterior Dimensions of the Face.","authors":"Mostafa Sheikhi, Mohaddeseh Nasiri, Masoomeh Amani, Leila Abdolhosseinzadeh, Faezeh Zamani","doi":"10.30476/dentjods.2025.104327.2519","DOIUrl":"10.30476/dentjods.2025.104327.2519","url":null,"abstract":"<p><strong>Background: </strong>The impaction of the third molar is associated with specific facial skeletal and dental characteristics. Therefore, determining the type of facial skeletal growth may help predict third molar impaction and assist in treatment planning.</p><p><strong>Purpose: </strong>This study aimed to investigate the correlation between the impaction of the maxillary and mandibular third molars with the vertical and anteroposterior dimensions of the face, as well as to examine the prevalence and type of impaction.</p><p><strong>Materials and method: </strong>In this descriptive-analytical study, panoramic and lateral cephalometric radiographs of 200 patients who were referred to a radiology center in Zanjan were examined. The position, angle, and type of impaction were evaluated on the panoramic radiographs, and the type of vertical and anteroposterior facial profile was determined through lateral cephalometry. Finally, the correlation between impaction and the type of facial profile was analyzed with the Chi-Square test at a significance level of 0.05.</p><p><strong>Results: </strong>The prevalence of third molar impaction was higher in patients with skeletal Class II and those with a dolichofacial profile (55.5% and 63.5%). Class B, Class II, and mesioangular impactions were more common in the mandible, whereas Class C and distoangular impactions were more prevalent in the maxilla. The level of third molar impaction in the mandible was significantly related to the vertical dimension of the face (<i>p</i>= 0.003). The angle of impaction in the mandible was significantly associated with both the vertical and anteroposterior dimensions of the face (<i>p</i>= 0.036 and <i>p</i>= 0.014).</p><p><strong>Conclusion: </strong>The findings of this study can be beneficial in orthodontics for evaluating the impact of third molar impaction on dental crowding and facilitating the development of appropriate treatment plans. Knowing which individuals are more susceptible to third molar impaction enables specialists to implement early interventions. Additionally, timely referrals to oral and maxillofacial surgeons can be made when necessary.</p>","PeriodicalId":73702,"journal":{"name":"Journal of dentistry (Shiraz, Iran)","volume":"27 4","pages":"62-69"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13080379/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147701105","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}