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Introduction. Reactive hyperplastic lesions of the oral cavity are non-neoplastic lesions that result from low-grade chronic irritation of the oral mucosa. Objectives. The aim of this study was to present the epidemiological characteristics of reactive lesions. Materials and methods. The study was a retrospective analysis of the medical records of 116 patients with reactive lesions. The tissue specimens were obtained by biopsy. 115 patients underwent an excisional biopsy, whereas in one case an incisional biopsy was performed. Results. The most frequently encountered lesion was inflammatory fibrous hyperplasia (IFH) (n=37, 31.9%), followed by irritation fibroma (IF) (n=36, 31%), pyogenic granuloma (PG) (n=15, 12.9%), fissured granuloma (FG) (n= 14, 12.1%). The lesions were more commonly observed in females (n=70, 60.3%) than in males (n=46, 39.7%) with a ratio of 1.5:1, respectively. The buccal and labial mucosa were the most prevalent sites of reactive lesions. Most of the lesions were between >5 mm and ≤10 mm in diameter except for FGs, which were much bigger. Conclusions. Early detection and elimination of all potentially causative factors and irritants is a crucial matter, especially in the case of the vestibule of the oral cavity, which is the most susceptible area of the oral cavity
EN
Introduction. Oroantral communication (OAC) between the maxillary sinus and the oral cavity is an infrequent post-surgical complication occurring most commonly after extraction of posterior maxillary teeth. Aim. To present the characteristics of OAC and predisposing factors as well as evaluate postoperative pharmacological therapy and complications in patients with an OAC. Material and methods. In this retrospective study, medical records of 63 patients with diagnosed OAC between 2011 and 2018 were analyzed. Results. The most frequent causes for tooth extraction leading to an OAC were periodontitis (n=34; 54%), carious destruction of the tooth (n=14; 22.2%), and tooth impaction (n=10; 16%). First molars (n=28; 44.4%), second molars (n=14; 22.2%) and third molars (n= 13; 20.6%) were the most frequently related teeth to OACs. The majority of OACs appeared in the fourth (n=22; 35%) and third (n=20; 31.7%) decades of life. Conclusion. OACs are rarely seen on an everyday basis by general practitioners; however, if left untreated, they may lead to further serious complications. Proper postoperative precautions must be taken in order to prevent further complications, and thus the evaluation of predisposing factors is of great importance.
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