title: The relationship between periodontitis and alcohol use is not clear.
abstract: BACKGROUND
  The relationship of alcohol dependence and alcohol consumption with periodontitis: a systematic review. Amaral Cda S, Vettore MV, Leao A. J Dent 2009;37:643-51.
  
  
  METHODS
  Bruce A. Dye, DDS, MPH PURPOSE/QUESTION: Is alcohol use or dependence associated with periodontitis?
  
  
  BACKGROUND
  Government: authors received partial support from Coordination of Improvement of Higher Education Personnel (CAPES) Ministry of Education, Brazil
  
  
  METHODS
  Systematic review
  
  
  METHODS
  Level 2: Limited-quality, patient-oriented evidence
  
  
  METHODS
  Not applicable.
authors.affiliation: Centers for Disease Control and Prevention, National Center for Health Statistics, 3311 Toledo Road, Room 4416, Hyattsville, MD 20782, USA. bfd1@cdc.gov
authors.forename: Bruce A
authors.initials: BA
authors.lastname: Dye