title: [7-year clinical application of Straumann implants].
abstract: OBJECTIVE
  To evaluate 7-year clinical application of Straumann implant treatment.
  
  
  METHODS
  5532 non-submerged Straumann implants were placed from july 2000 to december 2006 at the department of implantology, Ninth People's Hospital, College of Stomatology, School of Medicine, Shanghai Jiao Tong University. The average age of 2449 patients was 40.2 years(16 to 87 years) and healing period was 5.39 months(1.75 to 23.75 months). A total of 2710 prostheses were accomplished, including 2640 fixed partial prostheses, 52 implant supported overdentures and 18 implant supported full arch fixed protheses. Patients were recalled 6 months after restoration and later annual follow-up. Clinical and X-ray examinations were performed during the follow-up period.
  
  
  RESULTS
  Among the 91 failed implants, 59 implants were failed in healing period and considered early failures. The survival rate was 98.36%.
  
  
  CONCLUSIONS
  Prosthetic restoration of partially edentulous and edentulous patients with the Straumann implant system can be described as a reliable and efficient therapy in the long term.
authors.affiliation: Department of Implantology, Ninth People's Hospital, College of Stomatology, School of Medicine, Shanghai Jiao Tong University. Shanghai 200011, China. ocichw@yahoo.com.cn
authors.forename: Zhi-Yong
authors.initials: ZY
authors.lastname: Zhang
authors.forename: Wei
authors.initials: W
authors.lastname: Huang
authors.forename: Hong-Chang
authors.initials: HC
authors.lastname: Lai
authors.forename: Yi-Qun
authors.initials: YQ
authors.lastname: Wu
authors.forename: Feng
authors.initials: F
authors.lastname: Wang
authors.forename: Shen
authors.initials: S
authors.lastname: Wang
mesh_terms: D015921:Dental Implants; D017267:Dental Prosthesis Design; D019094:Dental Prosthesis, Implant-Supported; D019232:Dental Restoration Failure; D003828:Denture, Overlay; D005500:Follow-Up Studies; D006801:Humans; D007575:Jaw, Edentulous
chemical_list: D015921:Dental Implants