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Retainer design for posterior resin-bonded fixed partial dentures: a technical report
Hiroshi Shimizu1, Yutaka Takahashi
1Division of Removable Prosthodontics, Department of Oral Rehabilitation, Fukuoka Dental College, Fukuoka, Japan. simizuh1@college.fdcnet.ac.jp
Quintessence International (Berlin, Germany : 1985)
|September 16, 2004
Summary
A novel posterior preparation and retainer design for resin-bonded fixed partial dentures enhances resistance to eccentric loading. This design utilizes a noble alloy, metal adhesive conditioner, and adhesive resin-luting agent for improved durability.
Area of Science:
- Dental Materials Science
- Prosthodontics
- Biomaterials Engineering
Background:
- Resin-bonded fixed partial dentures (RBFPDs) are a conservative treatment option.
- Eccentric loading can compromise the longevity of RBFPDs.
- Improved retainer designs are needed to enhance RBFPD stability.
Purpose of the Study:
- To describe a new posterior preparation and retainer design for RBFPDs.
- To evaluate the design's ability to resist eccentric loading.
- To introduce novel materials for RBFPD fabrication.
Main Methods:
- A novel posterior preparation and retainer design was developed.
- A noble alloy (silver-palladium-copper-gold) was employed.
- A metal adhesive conditioner (Metaltite) and adhesive resin-luting agent (Super-Bond C&B) were utilized.
Main Results:
- The described design aims to improve resistance to eccentric forces.
- The combination of noble alloy and advanced bonding agents enhances retention.
- This approach offers a potentially more durable RBFPD solution.
Conclusions:
- The new posterior preparation and retainer design shows promise for resisting eccentric loading in RBFPDs.
- The use of a noble alloy with Metaltite and Super-Bond C&B offers a robust bonding strategy.
- This advancement contributes to the field of conservative fixed prosthodontics.