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Revista de Cirurgia e Traumatologia Buco-maxilo-facial

versão On-line ISSN 1808-5210


SEBASTIANA, Aline Monise et al. Epidemiological profile of patients undergoing removal of third molars at the Federal University of Parana. Rev. cir. traumatol. buco-maxilo-fac. [online]. 2011, vol.11, n.3, pp. 93-102. ISSN 1808-5210.

Introduction: The Information obtained in the history taking of the patient, in association with the analysis of the preoperative radiographic examination, is essential in planning the surgical removal of third molars. Objective: To analyze the epidemiological profile of patients submitted to surgical removal of third molars in the Department of Oral and Maxillofacial Surgery at the Federal University of Paraná. Methods: The records of all patients attended in the Department during the first semester of 2010 were evaluated. Gender, age, presence or absence of systemic diseases and drug allergies were analyzed on the basis of the surgical record card. Panoramic radiographs were evaluated by determining the position of third molars in accordance with the classifications of Pell and Gregory and Winter. Results: The predominant gender was female (68.8%) in the 21 to 30-year age group. It was observed that 26% of the population reported some kind of systemic alteration. There was a higher prevalence of systemic alterations in the group of blood dyscrasias, particularly anemias, followed by alterations in the cardiovascular system, especially hypertension. The prevalence of systemic alterations in women in this study is 2.15 times greater than their prevalence in men (p=0.018). There was also a statistic predominance of these alterations in the 21 to 30-year age group (p=0.036). The drug most often reported by patients as a cause of allergy was penicillin, followed by diclofenacs and sulfa. With respect to radiographic positioning, both upper and lower third molars exhibited mostly vertical angulation, class A. As regards the space in the arc, third molars were most frequently in class II. There were no statistical associations between gender and the radiographic position of third molars, except for the left upper third molars in relation to angulation (p=0.002) and depth in the arc (p=0.001). Conclusions: The female gender was predominant, as was the 21 to 30-year age group. The prevalence of systemic alterations in the population studied was 26%, especially anemia and hypertension. The main cause of drug allergy was penicillin. The most common radiographic position was vertical angulation, class A, and class II for space in the arc, in the lower third molars

Palavras-chave : Oral surgery; third molar; epidemiology; radiography; medical history taking.

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