title: [The apply of Cosmopost ceramic posts in clinic].
abstract: OBJECTIVE
  To investigate the manufacture method and the effects of Cosmopost ceramic posts, to summarize the indications of Cosmopost ceramic post in clinic.
  
  
  METHODS
  228 pieces Cosmopost ceramic posts and cores were made for 96 patients. 2l7 pieces full ceramic crowns and 8 pieces full ceramic bridgs for Cosmopost ceramic posts and cores were made. The fitness of Cosmopost ceramic post were checked, and the color of all full ceramic crowns and full ceramic bridgs were checked in clinic. The amount of loosening and broken in all restorations were checked every year in clinic. follow up 2 - 3 years.
  
  
  RESULTS
  1 Cosmopost ceramic post was fracture about 1.5 mm before the full ceramic crown was worn. 227 pieces Cosmopost ceramic posts were perfect. All of the full ceramic crowns and bridgs for full ceramic posts were excellent in color. No loosening and broken cases were checked in 0.5 - 3 years. But the indications of Cosmopost ceramic posts were strict in clinic.
  
  
  CONCLUSIONS
  Cosmopost ceramic post has natural aesthetic effect and good strength. it can be used in clinic.
authors.affiliation: Clinic of Stomatological Hospital, Peking University, Beijing 100034, China.
authors.forename: Feng
authors.initials: F
authors.lastname: Sun
authors.forename: Duan-shen
authors.initials: DS
authors.lastname: Qian
authors.forename: Ke-li
authors.initials: KL
authors.lastname: Wei
authors.forename: Ling
authors.initials: L
authors.lastname: Huang
authors.forename: Hong
authors.initials: H
authors.lastname: Yu
mesh_terms: D000293:Adolescent; D000328:Adult; D003116:Color; D003776:Dental Porcelain; D017267:Dental Prosthesis Design; D017268:Dental Prosthesis Retention; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011176:Post and Core Technique
chemical_list: D003776:Dental Porcelain