クラウン合着の前処置に関する研究 : 仮着剤と清掃法の影響

概要

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The purpose of this study is to know the influence of pre-treatment of abutment tooth before final cementation, and to compare the retention force of crown.The effect of pre-treatment were observed with regard to the surface form of the abutment tooth (masurement of surface roughness and observation of SEM images), the adaptability, the retention force all after final cementing and the pigment premeability. As a result, the following findings were made : 1. The surface roughness (Rmax, Rz) was found to have decreased as a result of the use of a cleaner, regardless of the type of temporary cementing material used. 2. When a cleaner was used, the vertical raise up the crown by the cement was noted to have decreased slightly. 3. Regardless of whether a cleaner was used or not, no decrease in retention force was used or not. 4. In the pigment permeability test, suppression of pigment permeability was noticed, regardless of the type of temporary cementing material used and also of whether a cleaner was usedor not.
日本補綴歯科学会の論文
1988-06-01