支台歯形成形態に関する臨床的研究　全部被覆単独冠のテーパーと高径について

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書誌事項

タイトル別名
  • Clinical research on preparation form of abutment tooth. Taper and height of full-coverage crown.
  • Taper and Height of Full-Coverage Crown
  • 全部被覆単独冠のテーパーと高径について
公開日
1990
DOI
  • 10.2186/jjps.34.1066
公開者
公益社団法人 日本補綴歯科学会

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説明

The following conclusions were obtained by observing the shape of abutment teethin various regions on plaster models which had been used for fabrication of single-unit, prosthetic restorations of full-coverage crowns.<BR>The average value for the mesiodistal taper of the maxillary teeth tended to increase in the posterior teeth.<BR>The average value for the faciolingual taper of the maxillary teeth were larger than those for the mesiodistal taper. In the mandible, the valueof the taper from the central incisors to the second premolars were about 15° and the molar region was 25°.<BR>The height of the abutment teeth was greater for the canines and central incisors, it became less moving towards the posterior teeth.<BR>The clinical preparation of abutment teeth, there was a small taper in the anterior teeth where the height of the crown was large, while the taper tended to become larger in the posterior teeth where the height of the crown was smaller.

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