Random Position診療姿勢が全部鋳造冠支台形態に及ぼす影響について : 下顎右側第1大臼歯

概要

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The rimht lower first molar is rretcared for the outside abutment for a full cast crown in the random rosition (R. P.). In order to clarify the rossible effect on the abutment form, the amount of reduction of the abutment was measured. In comparison with the results obtained in the home rosition (H. P.) by Koizumi^<28)>, the following results were obtained. 1. A significant difference in the effect on the abutment, resulting from a difference in position between R. P. and H. P. was noticed in the tarer denrees, esrecially on the axial surface ; the imaxinary crown axis was inclined to the distal rroximal side, in the opposite direction from that in H. P. 2. In comparison with the time rectuired for the preraration of the abutment between R. P. and H. P., no siunificant difference was noticed in the time of oreration or in the non-operating time of the air turbine.
社団法人日本補綴歯科学会の論文
1988-10-01