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Related Experiment Videos

Titanium for removable dentures. II. Two-year clinical observations

C J Thomas1, S Lechner, T Mori

  • 1Faculty of Dentistry, University of Sydney, Australia.

Journal of Oral Rehabilitation
|June 1, 1997
PubMed
Summary

Pure titanium (Ti) removable partial dentures (RPDs) showed a 91% survival rate and were preferred by patients over cobalt-chromium (Co-Cr) dentures in a 2-year clinical trial, indicating promising results for this dental material.

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Area of Science:

  • Biomaterials science
  • Dental prosthetics
  • Materials engineering

Background:

  • Titanium (Ti) is an emerging material in prosthodontics.
  • Cobalt-chromium (Co-Cr) alloys are commonly used for removable partial dentures (RPDs).
  • Evaluating novel materials like pure Ti for RPDs is crucial for improving patient outcomes.

Purpose of the Study:

  • To compare the clinical performance and patient acceptance of pure titanium (Ti) RPDs against traditional cobalt-chromium (Co-Cr) RPDs.
  • To assess the long-term survival rate of titanium RPD components.

Main Methods:

  • A clinical trial involving 10 pure Ti RPDs and 10 Co-Cr RPDs.
  • Alternating use of dentures for four-week periods, followed by standardized questionnaires.
  • A 2-year follow-up period for the titanium RPDs with subsequent questionnaire administration.

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Main Results:

  • A high survival rate of 91% for rests and retainers in titanium RPDs.
  • Titanium RPDs were found to be more comfortable (55%) and preferred (64%) by patients compared to Co-Cr RPDs.
  • Patient feedback indicated a positive reception to titanium as a material for RPDs.

Conclusions:

  • Pure titanium demonstrates significant potential as a material for removable partial dentures.
  • Titanium RPDs offer improved patient comfort and preference over cobalt-chromium alternatives.
  • Further investigation into factors influencing success rates can optimize titanium RPD applications.