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Influence of abutment material on the stress of implant-supported all-ceramic single crown

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Abstract

In order to investigate the influence of abutment material on the stress of implant-supported all-ceramic single crown, a 3D finite element model of implant-supported mandibular first premolar was computed by COSMOS/M 2.85 software. Alumina, zirconia, and titanium were used as abutment materials respectively. Vertical 600 N and horizontal 225 N load was applied on the occlusal surface. The results show that the stress distribution of implant-supported single crown was similar for different abutment materials. Maximum stresses within the crown were higher when titanium abutment was used. Maximum stress of titanium abutment was lower than that of ceramic abutment. Within the screw and fixture, maximum stresses had no difference under vertical loading but higher as titanium abutment was used under horizontal loading. There was no difference of maximum stress within the bone when different abutment materials were used. The present findings indicate that the abutment material had no influence on the stress distribution of implant-supported allceramic single crown but maximum stress when the titanium abutment was lower than that of ceramic abutment.

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Authors and Affiliations

  1. Department of Prosthodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079, China

    Shaohuai Gao  (高少怀) & Zhiyong Li  (李智勇)

  2. Department of Stomatology, Wuhan Central Hospital of China Construction Third Engineering Bureau Co. Ltd, Wuhan, 430079, China

    Haiying Duan

Authors
  1. Shaohuai Gao  (高少怀)
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  2. Haiying Duan
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  3. Zhiyong Li  (李智勇)
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Correspondence to Zhiyong Li  (李智勇).

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Funded by the National Natural Science Foundation of China (No.30801312)

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Gao, S., Duan, H. & Li, Z. Influence of abutment material on the stress of implant-supported all-ceramic single crown. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 27, 96–99 (2012). https://doi.org/10.1007/s11595-012-0415-5

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  • DOI: https://doi.org/10.1007/s11595-012-0415-5

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