title: Prevalence of different kinds of maxillofacial fractures and their associated factors are surveyed in patients.
abstract: BACKGROUND
  Nowadays maxillofacial fractures have increased. In this study prevalence of different kinds of maxillofacial fractures and their associated factors are surveyed in patients referred to Imam Khomeini Hospital, Urmia in 2011.
  
  
  METHODS
  The study was across-sectional observational study. 637 cases of patients with a confirmed diagnosis of maxillofacial fractures in 2011 referred to Imam Khomeini Hospital, Urmia and their data records were analyzed using SPSS software and chi-square tests.
  
  
  RESULTS
  In this study, 457 patients were male and 178 were female and the mean age was 14.47 ± 26.68 years. Falling was the most common cause of fractures after accidents and assaults were the most common causes. The most common site of nasal fractures was about 66.4% and then fractures in several places about 14.9% and mandibular 7.1%.
  
  
  CONCLUSIONS
  Based on the results obtained in the present study with other studies in this area it is concluded that maxillofacial fractures in males and in 20 to 30 years of age is prevalent and is mostly due to falling and road accidents and are further seen in nasal bone and mandible.
authors.affiliation: . abcdefgh1390@yahoo.com.
authors.forename: H
authors.initials: H
authors.lastname: Latifi
mesh_terms: D000059:Accidents / Q000706:statistics & numerical data; D000293:Adolescent; D000328:Adult; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007492:Iran / Q000453:epidemiology; D008297:Male; D008446:Maxillofacial Injuries / Q000453:epidemiology*; D015995:Prevalence; D012189:Retrospective Studies; D012887:Skull Fractures / Q000453:epidemiology*; D014754:Violence / Q000706:statistics & numerical data; D055815:Young Adult