title: The relationship between dental overbite and eustachian tube dysfunction.
abstract: OBJECTIVE
  The purpose of this study was to investigate the association between deep dental overbite and eustachian tube dysfunction (ETD).
  
  
  METHODS
  Case-control study.
  
  
  METHODS
  Tertiary care pediatric otolaryngology outpatient clinic at the Children's Hospital, Boston, Massachusetts.
  
  
  METHODS
  105 patients between the ages of 2 and 6 years. STUDY MEASUREMENTS: Dental overbite, overjet, and occlusal relationships were measured by an observer who was unaware of ETD status. ETD was defined as having ventilation tubes in place or having the recommendation for ventilation tube placement by an attending pediatric otolaryngologist. In addition, demographic information and medical and social histories were prospectively recorded.
  
  
  RESULTS
  In a multivariate logistic regression model, children with deep bites were 2.8 times more likely to have ETD than those without deep bites (P = .03). Other independent risk factors for ETD identified in this model were family history of otitis media (OM) and age less than 3 years.
  
  
  CONCLUSIONS
  Children with deep dental overbites are at a significantly increased risk for developing ETD.
authors.affiliation: Children's Hospital, Boston, Massachusetts, USA.
authors.forename: J P
authors.initials: JP
authors.lastname: McDonnell
authors.forename: H L
authors.initials: HL
authors.lastname: Needleman
authors.forename: S
authors.initials: S
authors.lastname: Charchut
authors.forename: E N
authors.initials: EN
authors.lastname: Allred
authors.forename: D W
authors.initials: DW
authors.lastname: Roberson
authors.forename: M A
authors.initials: MA
authors.lastname: Kenna
authors.forename: D
authors.initials: D
authors.lastname: Jones
mesh_terms: D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005064:Eustachian Tube / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000235:genetics / Q000503:physiopathology*; D010033:Otitis Media / Q000235:genetics / Q000503:physiopathology*; D012008:Recurrence; D012307:Risk Factors