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Volume 15 , Issue 1
January/February 2002

Pages 65–72

A Review of Clinical and Technical Considerations for Fixed and Removable Implant Prostheses in the Edentulous Mandible

Nicola Ursula Zitzmann, Dr Med Denta/Carlo Paolo Marinello, Prof Dr Med Dent, MSb

PMID: 11887602

Purpose: The aim of the present article is to review some of the technical treatment options for implant prostheses restoring the edentulous mandible, mainly based on the Brånemark system. Materials and Methods: Clinical and technical aspects are discussed for the three established concepts: (1) implant-supported fixed prosthesis, (2) removable implant-supported overdenture, and (3) combined implant-retained and soft tissue–supported overdenture prosthesis. Results: The framework of an implant-supported fixed screw-retained prosthesis can be processed in gold, Co-Cr alloy, or titanium with casting, laser-welding, or milling techniques. To improve the stability and retention of a conventional complete denture, one to four implants are indicated, and unsplinted (single attachments) or splinted designs (bar systems) can be applied. The design of the overdenture prosthesis must be carefully planned according to the requirements to ensure adequate stability and optimal form, contour, and esthetics, and the patient’s best comfort. Conclusion: A large variety of different treatment modalities exist for both the fixed and removable mandibular implant prosthesis. Clinical and technical aspects should be considered at the beginning of the treatment to: (1) select the optimal implant position, (2) establish an adequate number of functional units, (3) select the appropriate retainers, and (4) apply the best technique for framework processing and veneering. Int J Prosthodont 2002;15:65–72.

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