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Resin-bonded prostheses for posterior teeth.
1Department of Prosthetic Dentistry and Stomatognathic Physiology, Royal Dental College, Aarhus, Denmark.
The Journal of Prosthetic Dentistry
|August 1, 1992
Summary
Resin-bonded fixed partial dentures utilizing minimal tooth preparation demonstrated excellent retention and safety in posterior teeth over a 4-year period. This conservative approach proved effective for replacing missing premolars and molars without major adverse effects.
Area of Science:
- Restorative Dentistry
- Prosthodontics
- Dental Materials
Background:
- Minimal tooth preparation for fixed partial dentures (FPDs) is desirable for preserving tooth structure.
- Resin-bonded FPDs offer a less invasive alternative to conventional FPDs.
- Evaluating the long-term success of resin-bonded FPDs with minimal preparation is crucial.
Purpose of the Study:
- To assess the 4-year clinical performance of resin-bonded fixed partial dentures (FPDs) with minimal tooth preparation.
- To evaluate the retention rates and adverse effects of these conservative restorations.
Main Methods:
- 23 resin-bonded FPDs with inlay retainers were placed on posterior teeth with minimal preparation in 20 patients.
- Abutment teeth with existing MOD or Class II restorations were prepared, eliminating external undercuts.
- Retainers were treated with Kulzer Silicoater, and teeth were etched (enamel) and treated with Gluma (dentin) before cementation with Kerr's resin bonded bridge cement.
Main Results:
- None of the 23 resin-bonded fixed partial dentures lost retention during the 4-year follow-up period.
- No major adverse effects were reported in any of the patients.
- The study demonstrated high success rates for this conservative restorative approach.
Conclusions:
- Resin-bonded fixed partial dentures with minimal tooth preparation exhibit excellent long-term retention.
- This conservative treatment modality is safe and effective for restoring posterior teeth with missing premolars or molars.
- Minimal preparation resin-bonded FPDs represent a viable, tooth-preserving alternative in prosthodontics.