title: [Epidemiological survey of dentine hypersensitivity of 630 adults in rural of Sichuan province].
abstract: OBJECTIVE
  To investigate the prevalence and potential risk factors of dentine hypersensitivity of adults in rural of Sichuan province.
  
  
  METHODS
  All representative samples, including 630 adults living in rural of Sichuan Province, were selected by multi-stage, stratified and random sampling. The dentine hypersensitivity of all 630 cases was surveyed with questionnaire and oral clinical examination. SPSS 18.0 software was used for statistical analysis.
  
  
  RESULTS
  27.9% of all subjects were suffered from dentine hypersensitivity, sour was the most common stimulus of dentine hypersensitivity. The first premolar was the most common tooth with dentine hypersensitive, which occupied 27.4% of the total affected teeth. Female, acid regurgitation symptom, low frequency of toothbrush replacement (over 3 months), high tooth-brushing force and frequency of fresh fruits consumption (over 2 times per week) probably were high risk factors of dentine hypersensitivity.
  
  
  CONCLUSIONS
  The prevalence of dentine hypersensitivity occurs in rural of Sichuan province is high, thus for future the publicity and education on dentine hypersensitivity preventive should be strengthened.
authors: Dept. of Preventive Dentistry, West China College of Stomatology, Sichuan University, Chengdu 610041, China.
authors: Lin
authors: L
authors: Lin
authors: Ke-Hua
authors: KH
authors: Que
authors: Xue
authors: X
authors: Li
authors: De-Yu
authors: DY
authors: Hu
authors: Ying-Ying
authors: YY
authors: Fu
authors: Meng-Hong
authors: MH
authors: Wang