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KMID : 0613419990080010046
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Journal of the Korean Academy of Esthetic Dentistry
1999 Volume.8 No. 1 p.46 ~ p.59
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Hybrid Prosthesis Supported by Osseointegrated Implants in Maxille
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Shin Sang-Wan
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Abstract
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A fixed bridge is preferred as a prosthetic option supported by oral implants. However, it is very difficult to restore edentulous maxilla with fixed prosthesis in cases with improper position and angulation of fixtures, abnormal jaw relation, and need for proper lip support.
Six Branemark implants were installed in edentulous maxilla opposing mandible with natural dentition. A removable hybrid prosthesis attached to a bar milled by 6 degrees was therefore designed to overcome such disadvantages of fixed prosthesis. Lateral stabilization of removable prosthesis was obtained by framework closely fitting the milled bar. Support for the prosthesis was ensured by three elevated areas on the bar. Two precision attachments(CEKA REVAX) provided appropriate direct and indirect retention without influencing support. A clinical and laboratory procedure was presented.
Key words : osseointegratei implant, hybrid prosthesis, precision attachment, milled bar
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