• Sergio Monteiro Lima Júnior, Saulo Ellery Santos, Leandro Eduardo Kluppel, Luciana Asprino, Roger William Fernandes Moreira, and Márcio de Moraes.
• Department of Oral Diagnosis, Division of Oral and Maxillofacial Surgery, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil.
• J. Oral Maxillofac. Surg. 2012 Mar 1;70(3):577-83.

PurposeThe aim of this study was to present a large series of motorcycle- and bicycle-related traumas to the face in an attempt to identify the injury pattern in motorcyclists and bicyclists.Patients And MethodsData were collected from patients during a 10-year period (1999 through 2009), which included demographic data, diagnosis of facial fractures, use of protective devices, dentoalveolar trauma, and facial soft tissue injuries.ResultsThere were 556 patients with bicycle accidents and 367 with motorcycle accidents. Men were involved in 79% (436) of bicycles accidents and 82% (299) of motorcycle accidents. Young male patients were more frequent in bicycle and motorcycle accidents. Two hundred fifty bicyclists showed 311 maxillofacial fractures. Two hundred twenty-one motorcyclists showed 338 maxillofacial fractures. Motorcycle accidents caused multiple fractures in more patients. Seventy-six percent of motorcyclists were using helmets at the time of the accidents, whereas 6% of cyclists were using helmets. Motorcyclists showed a larger number of lacerations, whereas bicyclists showed a larger number of abrasions. Avulsion was the most common dentoalveolar injury for these accident types. Hospital stays were 3.8 days for motorcyclists and 1.3 days for bicyclists.ConclusionsThe high-impact collisions typically observed in motorcycle accidents is directly related to larger percentages of soft tissue lacerations and facial fractures. The low-impact trauma that is observed in bicycle accidents is more commonly associated with soft tissue abrasion, hematoma, and dentoalveolar fractures. This stresses the need for compulsory legislation for helmet use with face-guards for cyclists and motorcyclists. It is important to take measures to alert the public regarding the severity of injuries likely to occur in bicycle- and motorcycle-related accidents and ways to prevent them.Copyright © 2012 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.

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