Prevalence of granulomas, abscesses and periapical cysts in inflammations of endodontic origin

Luisa de Mello Florentino Guedes, Orlando Aguirre Guedes, Marcus Vinícius Corrêa da Costa, Artur Aburad de Carvalhosa, Cyntia Rodrigues de Araújo Estrela, Carlos Estrela

Introduction: Necrosis of pulp tissue followed by colonization and infection of root canal space are determinant events to the trigger for, development and perpetuation of apical periodontitis. Objective: To evaluate the prevalence of different types of periapical inflammatory lesions of endodontic origin. Methods: The sample comprised 805 histopathological reports issued and filed by the Oral Pathology Department of Public Laboratory of Mato Grosso, Brazil, between 2008 and 2014. The following information was collected from diagnosis requisition sheets and histopathological reports: sex, age, tooth group, anatomical localization and histopathological diagnosis (periapical granuloma, periapical abscess and root cyst). Statistical treatment analyzed data through frequency distribution and chi-square tests. The level of significance was set at 5% for all analyses. Results: A higher occurrence of periapical lesions was observed in males (n = 405; 50.31%) and participants between 21 and 30 years old. The most affected teeth were mandibular molars (n = 293; 36.40%), followed by maxillary molars (n = 213; 26.46%). Periapical granuloma (n = 458; 56.89%) was the most common periapical lesion. Statistically significant associations were observed between the type of periapical lesion and anatomical localization (p < 0.05). Conclusions: There was a high prevalence of periapical lesions in males and participants between 21 and 30 years old. Periapical granuloma was the most commonly diagnosed periapical lesion, the mandibular posterior teeth were the most affected teeth.

Keywords: Periapical periodontitis. Diagnosis. Epidemiology. Periapical granuloma.

How to cite: Guedes LMF, Guedes OA, Costa MVC, Carvalhosa AA, Estrela CRA, Estrela C. Prevalence of granulomas, abscesses and periapical cysts in inflammations of endodontic origin. Dental Press Endod. 2018 Sept-Dec;8(3):41-6. DOI: https://doi.org/10.14436/2358-2545.8.3.041-046.oar

Friday, April 26, 2024 18:06