• E Izgi, N Mollaoglu, and M B Simsek.
• Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Gazi University, Emek-Ankara, Turkey.
• Niger J Clin Pract. 2021 Mar 1; 24 (3): 355-361.

AimThe aims of this study are to investigate the prevalence of odontogenic cysts and tumors occurred in a sample of Turkish population in the last 10 years and to compare the data with latest reports.Methods And MaterialThe present retrospective study was carried out at Gazi University, School of Dentistry (GUSD) in Ankara, Turkey. All the data was retrieved from the GUSD archive on patients treated for various oral and maxillofacial lesions between 2008 and 2018. Patients' demographical data, main clinical features of the lesions along with histopathological findings were retrieved from the dental files of the patients. The type of lesions was evaluated according to the latest Head and Neck Tumor (HNT) classification published by the World Health Organization (WHO) in 2017. Data was analyzed by descriptive statistics and Chi-square test using SPSS version 21.0 software.ResultsAmong a total of 739 biopsy-conducted lesions, 467 (63.19%) were odontogenic cysts, 43 (5.82%) were benign odontogenic tumors, and 7 (0.95%) were malignant tumors. The rest of 222 cases were defined as others.ConclusionsThe present study assessed the demographic and clinico-pathological characteristics of odontogenic cysts/tumors in a group of Turkish people, who visited GUSD for therapeutic purpose in the past 10 years. Results showed that male patients in their 5th-6th decades have the highest risk of odontogenic cyst/tumor, especially in the mandibular posterior region.

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