Sandblasting of Inlay Margin : Marginal Abrasion and Bond Strength
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概要
- 論文の詳細を見る
Specimens (such as metal inlays) with 30° or 45° marginal bevel were prepared by casting with a 12% Au-Pd-Ag alloy or a gold alloy. A form of the marginal bevel was traced on a profile projector before and after sandblasting, and the length of the abraded margin measured. All the blasting conditions abraded the marginal bevel, while the blasting at 20 mm for 2 seconds brought about the least abrasion of approximately 10μm in the 45° specimen cast with Au-Pd-Ag alloy. The gold alloy specimens were abraded more than the Au-Pd-Ag alloy ones ; those with marginal bevel of 30° were abraded more than those of 45°. On the other hand, the effect of different blasting conditions on the bond strength of units bonded with resin cement was evaluated (under selected blasting conditions known to cause relatively less damage to the marginal bevel). Specimens treated by sandblaster exhibited a comparable tensile bond strength, while specimens without sandblasting but applied with only an alloy primer showed a statistically low value.
- 日本歯科理工学会の論文
著者
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OHSAWA Masahiro
Division of Cariology, Department of Developmental and Reconstructive Medicine, Course of Medical an
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HAYASHI Yoshihiko
Division of Cariology, Department of Developmental and Reconstructive Medicine, Course of Medical an
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YOKOTA Haruka
Division of Cariology, Department of Developmental and Reconstructive Medicine, Course of Medical an
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Yokota Haruka
Division Of Cariology Department Of Developmental And Reconstructive Medicine Course Of Medical And
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Ohsawa Masahiro
Division Of Cariology Department Of Developmental And Reconstructive Medicine Course Of Medical And
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Ohsawa Masahiro
Nagasaki University Graduate School Of Biomedical Science Course Of Medical And Dental Science Depar
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Yokota Hiroaki
Division Of Cariology Department Of Developmental And Reconstructive Medicine Course Of Medical And
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Hayashi Y
Division Of Cariology Department Of Developmental And Reconstructive Medicine Course Of Medical And
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Hayashi Yoshihiko
Division Of Cariology Department Of Developmental And Reconstructive Medicine Course Of Medical And
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Ohsawa Masahiro
Nagasaki Univ. Graduate School Of Biomedical Sci. Nagasaki Jpn
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