title: Association between sharing of toothbrushes, eating and drinking habits and the presence of Actinobacillus actinomycetemcomitans in Moroccan adolescents.
abstract: OBJECTIVE
  Actinobacillus actinomycetemcomitans is frequently detected in dental plaque collected from Moroccan adolescents, and has been shown to be associated with clinical attachment loss in this population. The aim of this study was to assess whether behaviors such as the sharing of toothbrushes, and eating and drinking habits were associated with the presence of A. actinomycetemcomitans in Moroccan adolescents.
  
  
  METHODS
  A total of 121 adolescents were clinically examined. Interviews regarding sharing of toothbrushes, eating and drinking habits were performed, and plaque samples were collected and analyzed for A. actinomycetemcomitans with different leukotoxin promoter types by polymerase chain reaction. Based on eating and drinking habits, the study population was divided in a low risk behavior group (LRB) and a high risk behavior group (HRB).
  
  
  RESULTS
  No association was found between the sharing of toothbrushes and the presence of A. actinomycetemcomitans. The odds ratios between the HRB and LRB group for being positive for the JP2 type, for non-JP2 types, and for any type of A. actinomycetemcomitans were 4.74 (95% CI 0.55; 40.71), 2.49 (95% CI 1.03; 5.97), and 2.97 (95% CI 1.28; 6.91), respectively. The difference in the mean number of teeth with a clinical attachment loss of > or = 3 mm between the HRB and the LRB group was 0.91(95% CI 0.09; 1.72).
  
  
  CONCLUSIONS
  Sharing of toothbrushes does not seem to be associated with the presence of A. actinomycetemcomitans in young Moroccans. Eating and drinking habits conducive to exchange of saliva are positively associated with presence of A. actinomycetemcomitans, and with a higher level of clinical attachment loss.
authors.affiliation: Department of Community Oral Health and Pediatric Dentistry, School of Dentistry, Faculty of Health Sciences, University of Aarhus, Denmark. dhaubek@odont.au.dk
authors.forename: D
authors.initials: D
authors.lastname: Haubek
authors.forename: Z
authors.initials: Z
authors.lastname: Ismaili
authors.forename: S
authors.initials: S
authors.lastname: Poulsen
authors.forename: O-K
authors.initials: OK
authors.lastname: Ennibi
authors.forename: N
authors.initials: N
authors.lastname: Benzarti
authors.forename: V
authors.initials: V
authors.lastname: Baelum
mesh_terms: D000189:Actinobacillus Infections / Q000453:epidemiology / Q000635:transmission*; D000293:Adolescent; D000294:Adolescent Behavior; D000328:Adult; D016976:Aggregatibacter actinomycetemcomitans / Q000302:isolation & purification; D003773:Dental Plaque / Q000382:microbiology*; D018562:Disease Transmission, Infectious; D004327:Drinking Behavior; D005247:Feeding Behavior; D006801:Humans; D009018:Morocco / Q000453:epidemiology; D012307:Risk Factors; D012463:Saliva / Q000382:microbiology; D011795:Surveys and Questionnaires; D014099:Toothbrushing / Q000009:adverse effects / Q000295:instrumentation