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Prosthodontics II

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Modern techniques of implant prosthetics have a wide variety of different materials at their disposal, ranging from commercially pure titanium, titanium alloys, precious metal, and non-precious alloys, to tooth-colored materials. One of the most important prerequisites for dental materials is tissue compatibility. Materials that are intended to remain in the organism over a long period of time must fulfil the criterium of biocompatibility. Besides this, patients nowadays not only expect a restorations that meet modern esthetic standards but one which also has a long functional lifetime. The esthetic analysis — which collects data on all important parameters to permit evaluation of the as-is situation — is essential for the as-is situation. Next, the target situation represents the goal of treatment and serves as the planning basis for all further steps. Functional analysis aims to determine potential causes of functional complications and define a feasible occlusion and loading concept.


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8B.1 Materials in implant prosthetics

Modern techniques of implant prosthetics have a wide variety of different materials at their disposal, ranging from commercially pure titanium, titanium alloys, precious metal, and non-precious alloys, to tooth-colored materials. The current e-tutorial examines the properties of individual materials in detail, deriving their indications and describing the corresponding steps of analog processing as well as digital manufacture of implants. This is followed by an analysis of the principles guiding construction. Options for and requirements of the abutment and framework design are elucidated, with a particular focus on design of the occlusal surface and planning of esthetically relevant regions. The final section is dedicated to use of CAD/CAM technology for abutment fabrication.

8B.2 Prosthetic analysis and planning and their importance for occlusion and loading

Fundamental to the esthetic effect is the interplay between the proportions of the face, the contour of the mouth, the lips, and bite harmony. In order to capture this, the esthetic analysi is essential. Starting with the as-is situation, the target situation is defined. The target situation represents the goal of treatment and serves as the planning basis for all further steps. Prosthetic complications may manifest biologically, functionally, esthetically, or technically. Functional analysis aims to determine potential causes of functional complications and define a feasible occlusion and loading concept.

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