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Cross-arch bar splint.
A M LaVere1, R C Smith, R J Sarka
1Department of Removable Prosthodontics, University of the Pacific, School of Dentistry, San Francisco, Calif.
The Journal of Prosthetic Dentistry
|January 1, 1992
Summary
A round bar connector splints canine abutments, preserving bone support for removable partial dentures. This technique prevents damaging forces, maintaining healthy bone structure during mastication.
Area of Science:
- Dentistry
- Prosthodontics
- Periodontology
Background:
- Removable partial dentures (RPDs) with single canine abutments are prone to occlusal and gingival movement.
- This movement generates forces that can lead to significant bone loss around the abutment teeth.
- Protecting bone support is crucial for the long-term success of RPDs.
Purpose of the Study:
- To describe a technique using a round bar connector to preserve bone support for isolated mandibular canine abutments in RPDs.
- To evaluate the method's ability to mitigate damaging forces during mastication.
Main Methods:
- Utilizing a straight round bar to connect the crowns of two isolated mandibular canine abutments.
- Splinting the canine abutments together to create a stable support system.
- Directing masticatory forces along the long axes of the splinted teeth.
Main Results:
- The round bar connector effectively splints the canine abutments, preventing independent movement.
- Masticatory forces are redirected along the long axes of the teeth, minimizing detrimental lateral or rotational forces.
- This stabilization aids in the preservation of alveolar bone support.
Conclusions:
- A round bar connector is a viable solution for stabilizing canine abutments in RPDs when fixed partial dentures are contraindicated.
- This technique enhances the longevity of RPDs by protecting the supporting bone structure.
- Splinting abutments with a round bar connector offers a method to reduce bone loss and improve functional outcomes.