Influence of Abutment Materials on the Resultant Color of Heat-pressed Lithium Disilicate Ceramics
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概要
- 論文の詳細を見る
The purpose of this study was to evaluate the influence of abutment materials on the color of IPS Empress 2 ceramic coping with different thicknesses. Ceramic coping specimens (12.0×12.0×0.8-2.0mm) were fabricated from IPS Empress 2 material (Ingot-100, n=5/group). Abutment specimens were fabricated from a build-up composite, a gold alloy, or a silverpalladium alloy. Color was evaluated using a colorimeter according to the CIE L^*a^*b^* system. The L^*a^*b^* values of the ceramic coping specimens of different thicknesses on each abutment specimen were measured. Following which, the color difference (ΔE^*ab) values between the ceramic coping specimens on various abutment specimens were calculated. Significant differences in ΔE^*ab value were observed among different abutment specimens at certain ceramic coping thicknesses (P<0.05). Thus, it was concluded that the color of IPS Empress 2 coping material was influenced significantly by both the thickness of the coping and the color of the abutment material.
- 日本歯科理工学会の論文
著者
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MATSUMURA Hideo
Department of Fixed Prosthodontics, Nihon University School of Dentistry
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SHIMADA Kazuki
Department of Crown and Bridge Prosthodontics, Nihon University School of Dentistry
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KAKEHASHI Yoshiyuki
Department of Crown and Bridge Prosthodontics, Nihon University School of Dentistry
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Matsumura Hideo
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry:division Of Advan
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Matsumura Hideo
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry
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Shimada Kazuki
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry:division Of Advan
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Shimada Kazuki
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry
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NAKAZAWA Motoko
Department of Crown and Bridge Prosthodontics, Nihon University School of Dentistry
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Nakazawa Motoko
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry
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Kakehashi Yoshiyuki
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry
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Kakehashi Yoshiyuki
Department Of Crown And Bridge Prosthodontics Nihon University School Of Dentistry:division Of Advan
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