Prosthetic Complications in Mandibular Fixed-removable Implant Prostheses Opposed by Complete Dentures

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  • Prosthetic Complications in Mandibular Fixed-removable Implant Prostheses Opposed by Complete Dentures Book Detail

  • Author : Bradley Allen Purcell
  • Release Date : 2005
  • Publisher :
  • Genre : Mandibular prosthesis
  • Pages : 66
  • ISBN 13 :
  • File Size : 15,15 MB

Prosthetic Complications in Mandibular Fixed-removable Implant Prostheses Opposed by Complete Dentures by Bradley Allen Purcell PDF Summary

Book Description: Abstract: The purpose of this study was to investigate the prosthetic complications of patients with a maxillary complete denture (CD) opposing a mandibular Implant- Supported Fixed/Removable Prosthesis (ISFRP). This study is a retrospective analysis of an ongoing prospective study. Dental records from 46 patients treated with a maxillary CD and a mandibular ISFRP were reviewed for fifteen different prosthetic complications. The mean recall time was 7.9 years. The percentage of patients exhibiting each complication and corresponding 95% confidence intervals were calculated. The recall period was divided into three parts: (A) 0-2 years (B) >25 years (C) 5 years. Logistic regression analysis determined the effect of recall period, age and gender on each of the following major complications: tooth fracture, complete denture relines, screw complications, and tooth replacement. Statistical significance was exhibited for: complete denture relines, posterior tooth replacement, and screw complications. The most common complications include prosthetic tooth fracture, tooth wear, maxillary hard relines, and screw complications. There were no incidents of framework fracture or abutment fracture. Patients were: .06 times more likely to require a heat processed hard reline with each year increase of age. Patients were 3.7 times after two to five years of service and 8.5 times after five years of service, more likely to require a hard reline than in the first two years of service. Patients were 52.5 times more likely to need posterior tooth replacement after five years of service than in the first two years, and 39.9 times more likely to encounter a screw complication after five years of service than in the first two years of service.

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