IngentaConnect An Overview of Complete Artificial Fixed Dentition Supported by E...

Author: Flanagan, Dennis¹

Source: Artificial Organs, Volume 29, Number 1, January 2005 , pp. 73-81(9)

Abstract:

The construction of a complete restoration of the dentition by the surgical placement of endosseous titanium implants that support a fixed prosthesis in each jaw is possible. The positionings of the implants and teeth in the prostheses are important factors for a successful long-term result. Distribution of the occlusal biting forces over as many implants as possible is important. Off-axial occlusal biting forces should be diverted to the anterior jaws where the forces are not as great. The posterior teeth should be designed with flat occlusal surfaces that separate during excursionary mandibular chewing movements. Medial mandibular flexure caused by the contraction of the medial pterygoid muscle can be addressed by constructing the prosthesis in segments, so as not to have a rigid entity encased in flexing bone that may induce stress in the bone, potentially leading to loss of implant integration and failure. Segmenting also ensures an appropriate fit of the prosthesis with respect to casting and porcelain firing distortion. Lip support by means of a flange in the prosthesis may be necessary when there has been a large amount of bone loss from edentulous resorption. Cleaning and routine maintenance of the prostheses every 3–6 months is essential.

Keywords: Dental implant; Implant occlusion; Occlusal scheme; Occlusal forces; Bimaxillary edentulism

Document Type: Research article

DOI: 10.1111/j.1525-1594.2004.29009.x

Affiliations: 1: Connecticut Dental Groups, Willimantic, CT, U.S.A.

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An Overview of Complete Artificial Fixed Dentition Supported by Endosseous Implants