The analysis of mandibular condyle fractures treated by the Oral and Maxilofacial Surgery Divison, Piracicaba Dental School - UNICAMP from 1999 to 2007 / Analise epidemiologia das fraturas de condilo mandibular tratadas pela area de cirurgia buco-maxilo-facial da Faculdade de Odontologia de Piracicaba/UNICAMP de 1999 a 2007

AUTOR(ES)

Renato Sawazaki

DATA DE PUBLICAÇÃO

2008

RESUMO

The aim of this study was to evaluate the epidemiological characteristics of prevalence, treatment modalities and complication rates of the condylar fractures of the mandible. Data was collected from patients´ records of Oral and Maxillofacial Surgery Area at Piracicaba Dental School - Unicamp from 1999 to 2007. The research results a sample of 263 patients with 317 condylar fractures. There were 209 unilateral fractures and 54 bilateral fractures, with a male:female ratio of 3.05:1,amean age of 28.4 years and white race predominance. Protective devices statistically decreased the prevalence of condylar fractures in car and bicycles accidents; however, seatbelts presents lesser protection in comparison with helmets. Fractures were usually associated with others traumas, with symphysis fracture and soft tissue injury to the chin region the most common ones. The conservative treatment was applied in 78.55%, mainly in unilateral fractures, against 21.45% of the surgical treatment, applied in the majority of the bilateral cases. The complication rate was lesser in the conservative treatment with 7.9%, in comparison with 33.33% of the surgical treatment cases that are more vulnerable to variables like surgical access and rigid internal fixation. The most common complication was malocclusion, both in surgical and non-surgical treatments. There were a significant relation between the use of harmful substances and complications (39.16% of the patients). In conclusion, the population affected had urban characteristics and is composed mainly by male young adults. The most adopted treatment was the conservative, that presented lesser complication rates, but it does not exclude the surgical treatment in some specific cases

ASSUNTO(S)

injuries trauma epidemiologia epidemiology

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