title: [Comparative study of the effects of removing plaque by two toothbrushing methods].
abstract: OBJECTIVE
  To compare the effects of removing plaque by two toothbrushing methods.
  
  
  METHODS
  Forty subjects were chosen to take part in the randomized, examiner-blind, crossover study.
  
  
  RESULTS
  Modified Bass method has better effect of removing plaque, especially that at the central margin than Vertical method (P<0.05).
  
  
  CONCLUSIONS
  Modified Bass method needs to be recommended.
authors.affiliation: Department of Periodontal, Peking University School of Stomatology, Beijing 100081, China.
authors.forename: Jing-hua
authors.initials: JH
authors.lastname: Zhang
authors.forename: Yue-qin
authors.initials: YQ
authors.lastname: Sha
authors.forename: Cai-fang
authors.initials: CF
authors.lastname: Cao
mesh_terms: D000293:Adolescent; D000328:Adult; D018592:Cross-Over Studies; D003773:Dental Plaque / Q000517:prevention & control*; D003774:Dental Plaque Index; D005260:Female; D006801:Humans; D008297:Male; D016037:Single-Blind Method; D014099:Toothbrushing / Q000379:methods*