Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1999-04-12
2000-02-29
Lewis, Ralph A.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
623 16, A61C 800, A61F 228
Patent
active
060302186
ABSTRACT:
A sub-periosteally implantable prosthesis support structure for a fixed or detachable dental prosthesis includes a framework fitted to and generally conforming to the inner and outer contours of the bony ridge structures of a person. The framework is configured to provide a space extending generally normal to the bony ridge structure to an apex to provide space for subsequent bone growth. A plurality of denture support posts are distributed about the framework and depend outwardly from the apex in substantial alignment with the bony ridge structure. During the fabrication of the prosthesis support structure, a bio-compatible fine mesh screen is fixed to and spans, tent-like, the framework to substantially overlay the bone structure and the space provided for subsequent bone growth. After the support structure has been implanted, the growth of bone into the space and around the support structure is promoted to osseo-integrate the support structure with the person's bony ridge, thus providing a secure foundation for a denture or fixed dental prosthesis configured for detachable or fixed coupling with the denture support posts. The support structure may be made, partly or wholly, from either non-resorbable material, such as titanium stock and mesh, or from a resorbable material such as Vicryl.TM..
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Lechter Michael A.
Lewis Ralph A.
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