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Frequency of Non-Odontogenic Lesions in Biopsied Jaw Lesions. A Single-Institutional Retrospective Study
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Hamid Shajan   , Atousa Aminzadeh * , Mehdi Abrishami , Iman Hassanzadeh |
| Department of Oral and Maxillofacial Pathology |
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Abstract: (450 Views) |
Background: Existing research has mostly focused on odontogenic lesions of the jaws; therefore, due to the lack of sufficient studies and the importance of non-odontogenic lesions, this study aimed to evaluate the epidemiologic profile of these lesions in a series of biopsied lesions.
Materials and Methods: To conduct this retrospective study, the oral pathology department archive of Isfahan Azad Dental School from 2010 to 2025 was reviewed for lesions with a definitive diagnosis of non-odontogenic lesions. Demographic and clinical information of each lesion was recorded. The results were analyzed using the chi-square statistical test in SPSS26 software(α=0.05).
Results: Among 1054 jaw bone lesions, 39 nonodontogenic lesions were found (3.7%). The age of the subjects at the time of biopsy ranged from 8 to 59 years, with a mean of 35.7 ± 12.3. The most common lesions were non-odontogenic tumors (38.5%). Lesions were mostly seen in the lower jaw (93.3%), which was related to the type of disease (P = 0.04). Lesions most commonly occurred in females (61.5%), although the Chi-square statistical test did not show this finding as significant (p=0.41). One patient used long-term medication, and two had systemic diseases with no relation to the diagnosis.
Conclusion: Non-odontogenic benign tumors were the most common type of lesion in this study. seen mostly in female patients and in the mandible. For better understanding of these lesions, future multicenter studies are recommended.
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Type of Study: Research |
Subject:
Oral & Maxillofacial Pathology
Received: 2026/02/28 | Accepted: 2026/07/14 | Published: 2026/09/16
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