title: [The development and clinical applications of aesthetic brackets].
abstract: OBJECTIVE
  To study the characters and etiology of oral ulcer and to propose the ways of prevention.
  
  
  METHODS
  Summarize the 52 cases of oral ulcer in the earthquake area were summarized.
  
  
  RESULTS
  The disease was related to the psychological tension, living regular and bad conditions. When the comprehensive therapies finished, the clinical curative rate was 82.7%(43/52), the efficacy was 15.4%(8/52), only one case was ineffective.
  
  
  CONCLUSIONS
  Those patients who were diagnosed oral ulcer in the earthquake area need comprehensive therapies, including getting rid of the intensive emotion, improving the living conditions and paying attention to rest.
authors.affiliation: Sichuan Provincial Corps Hospital, Leshan 614000, China. sand372@sina.com
authors.forename: Teng-yue
authors.initials: TY
authors.lastname: Zhang
authors.forename: Sa-sa
authors.initials: SS
authors.lastname: Zhu
authors.forename: Ning
authors.initials: N
authors.lastname: Kang
authors.forename: Jian-li
authors.initials: JL
authors.lastname: Zhou
authors.forename: Xiao-xia
authors.initials: XX
authors.lastname: Zhang
authors.forename: Wei
authors.initials: W
authors.lastname: Han
authors.forename: Shuai
authors.initials: S
authors.lastname: Yu
authors.forename: Yuan
authors.initials: Y
authors.lastname: Cheng
mesh_terms: D055866:Earthquakes; D006801:Humans; D019226:Oral Ulcer; D013315:Stress, Psychological