title: Distribution of oral and maxillofacial lesions in pediatric patients from a Brazilian southeastern population.
abstract: OBJECTIVE
  Oral lesions affecting infants account for approximately 10% of all samples from diagnostic services and studies investigating the distribution of these lesions in pediatrics from different geographic areas are desired to improve the diagnostic knowledge of clinicians. Therefore, the aim of this study is to describe the distribution of oral lesions in a southeastern Brazilian population.
  
  
  METHODS
  The oral pathology files of the University of Campinas was retrospectively reviewed for all cases diagnosed from 2000 to 2014 affecting patients 16-years-old and younger. Data on gender and diagnosis were retrieved from patients' oral pathology reports and included in a Microsoft Excel®database.
  
  
  RESULTS
  Out of 34,138 cases, 2539 affected pediatric patients (7.4%) with a higher incidence in those with 13-16 years-old. Salivary gland disease was the most common group of lesions (37.1%), followed by mucosal pathology (13.6%) and odontogenic cysts (11.3%). Mucous extravasation cyst was the most common lesion (36.3%), followed by fibrous hyperplasia (5.6%) and dental follicle (5.2%). Dental lesions were uncommon (7.9%) and malignancies rare (0.4%).
  
  
  CONCLUSIONS
  Our results were similar to previous studies and the small differences observed were more likely result of methodological variability and characteristics of the service of origin from where samples were collected.
authors.affiliation: Department of Oral Diagnosis, Oral Pathology and Semiology Divisions, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. Electronic address: aline.ataide@yahoo.com.br.
authors.forename: Aline Priscila
authors.initials: AP
authors.lastname: Ataíde
authors.affiliation: Department of Oral Diagnosis, Oral Pathology and Semiology Divisions, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. Electronic address: felipepfonseca@hotmail.com.
authors.forename: Felipe Paiva
authors.initials: FP
authors.lastname: Fonseca
authors.affiliation: Department of Oral Diagnosis, Oral Pathology and Semiology Divisions, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. Electronic address: alanroger@fop.unicamp.br.
authors.forename: Alan Roger
authors.initials: AR
authors.lastname: Santos Silva
authors.affiliation: Department of Oral Diagnosis, Oral Pathology and Semiology Divisions, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. Electronic address: jacks@fop.unicamp.br.
authors.forename: Jacks
authors.initials: J
authors.lastname: Jorge Júnior
authors.affiliation: Department of Oral Diagnosis, Oral Pathology and Semiology Divisions, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. Electronic address: malopes@fop.unicamp.br.
authors.forename: Márcio Ajudarte
authors.initials: MA
authors.lastname: Lopes
authors.affiliation: Department of Oral Diagnosis, Oral Pathology and Semiology Divisions, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil. Electronic address: pavargas@fop.unicamp.br.
authors.forename: Pablo Agustin
authors.initials: PA
authors.lastname: Vargas
mesh_terms: D017677:Age Distribution; D001938:Brazil / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003795:Dental Sac; D005260:Female; D005885:Gingival Hyperplasia / Q000453:epidemiology; D006801:Humans; D006965:Hyperplasia; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009059:Mouth Diseases / Q000453:epidemiology*; D009062:Mouth Neoplasms / Q000453:epidemiology; D009078:Mucocele / Q000453:epidemiology*; D009807:Odontogenic Cysts / Q000453:epidemiology*; D009808:Odontogenic Tumors / Q000453:epidemiology; D012189:Retrospective Studies; D012466:Salivary Gland Diseases / Q000453:epidemiology*
keywords: Infants; Oral cavity; Oral lesions; Pediatrics; Salivary glands