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The transmandibular implant: prosthodontic treatment considerations
1Department of Removable Prosthodontics, Medical College of Virginia, School of Dentistry, Richmond.
The Journal of Prosthetic Dentistry
|November 1, 1991
Summary
The transmandibular implant (TMI) offers a solution for the edentulous mandible, utilizing a gold-based alloy implant to support a prosthesis. This loaded implant system enhances denture retention through specialized clips and Dolder bar segments.
Area of Science:
- Dental Implants
- Biomaterials Science
- Prosthodontics
Background:
- Transosteal implants are used for severe mandibular atrophy.
- The edentulous mandible presents challenges for traditional denture stability.
- Transmandibular implants (TMI) offer a unique surgical approach.
Purpose of the Study:
- To describe the design and function of the transmandibular implant (TMI).
- To outline the prosthetic rehabilitation process for the TMI.
- To highlight the retention mechanism of the TMI-supported prosthesis.
Main Methods:
- The TMI is a gold-based alloy transosteal implant.
- A transitional prosthesis is fabricated or modified from existing dentures.
- Autopolymerizing acrylic resin secures retention clips within the denture base.
Main Results:
- The TMI provides a stable implant-supported prosthesis.
- Dolder bar segments on the implant suprastructure engage with retention clips.
- This system ensures secure retention for the mandibular complete denture.
Conclusions:
- The transmandibular implant (TMI) is an effective treatment for the edentulous mandible.
- The prosthetic design ensures reliable and retentive outcomes.
- This implant type offers a viable option for complex mandibular reconstruction.