title: An analysis of oral biopsies extracted from 1995 to 2009, in an oral medicine and surgery unit in Galicia (Spain).
abstract: OBJECTIVE
  To conduct an analysis of the frequency of oral lesions in biopsies over a 14-year period in the Oral Medicine, Oral Surgery and Implantology Unit.
  
  
  METHODS
  We conducted a retrospective study of biopsies removed from 1995-2009, recording data regarding age, sex, location of the lesions, biopsy types, anatomical and pathological diagnosis and definitive diagnosis.
  
  
  RESULTS
  Of the 562 patients studied, the average age was 51.8 years, with a standard deviation of 18.5 (range 5-96). The distribution by sex was 318 (56.6%) women and 244 (43.4%) men. The most common diagnostic category was mucosal pathologies in 37.9% of cases, followed by odontogenic cysts in 27.8%. Malignant tumors accounted for 3.9% of cases, oral squamous cell carcinomas were the most frequent malignancy, appearing in 22 cases. Bisphosphonate-related osteonecrosis of the jaws was the most common injury within the bone lesions group.
  
  
  CONCLUSIONS
  Following the performance of 647 biopsies on 562 patients, we can say that the most common injury was radicular cysts (appearing in 108 cases), having found statistical differences in relation to the patients' sex and age.
authors: Faculty of Dentistry, University of Santiago de Compostela, Santiago de Compostela, Spain. raquelsixto@gmail.com
authors: Raquel
authors: R
authors: Sixto-Requeijo
authors: Marco
authors: M
authors: Diniz-Freitas
authors: Juan-Carlos
authors: JC
authors: Torreira-Lorenzo
authors: Abel
authors: A
authors: García-García
authors: José M
authors: JM
authors: Gándara-Rey
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D005260:Female; D006757:Hospital Units; D006801:Humans; D008297:Male; D008875:Middle Aged; D009055:Mouth / Q000473:pathology*; D009059:Mouth Diseases / Q000473:pathology*; D019242:Oral Medicine; D012189:Retrospective Studies; D013030:Spain; D013503:Surgery Department, Hospital; D013997:Time Factors; D055815:Young Adult