Effect of zirconia frame thickness on fracture toughness of veneer porcelain

Momoko Kudo, Shoko Miura, Masafumi Kikuchi, Ryoichi Inagaki, Joonho Cho, Keiichi Sasaki, Masanobu Yoda

研究成果: Chapter

抄録

This review article focused on the influence of the zirconia thickness on the strength of the veneer porcelain, which was evaluated with a fracture toughness test according to JIS R 1607. The veneer porcelains for the zirconia all-ceramic crown were fired on two different thicknesses (0.4 mm and 0.8 mm) of zirconia frames (ZAC). As the controls, veneer porcelains fired on metal frames for porcelain fused to metal crown (PFM) were used. The fracture toughness value evaluated by measuring the extent of cracking associated with a Vickers indentation on the veneer porcelain part was significantly larger at the points of 1.5 mm in 0.4 mm thickness frame of ZAC samples compared with in the 0.8 mm frame.

本文言語English
ホスト出版物のタイトルInterface Oral Health Science 2011
出版社Springer Japan
ページ268-270
ページ数3
ISBN(電子版)9784431540700
ISBN(印刷版)9784431540694
DOI
出版ステータスPublished - 2012 1月 1

ASJC Scopus subject areas

  • 歯科学(全般)

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