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Title:
GLASS COMPOSITION
Document Type and Number:
Japanese Patent JP2015231944
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a glass composition having high aesthetic and excellent mechanical property, capable of imitating a structure of a natural tooth and forming a ceramic body for a dental restoration product by a simple and easy method.SOLUTION: There is provided a ceramic body for dental restoration which is a glass composition containing 65 to 72 wt.% of SiO, at least 10.1 wt.% of LiO and at least 10.1 wt.% of AlObased on total mass of the composition and having a ratio between LiO and AlOof 1:1 to 1.5:1 and forms at least two crystal phases, which are different each other, by a heat treatment including a nucleus formation process and further first crystal process in a first temperature range and a second crystal process in a second temperature range.

Inventors:
MARIA BORCZUCH-LACZKA
KATHARZYNA CHOLEWA-KOWALSKA
KAROLINA LACZKA
Application Number:
JP2015124094A
Publication Date:
December 24, 2015
Filing Date:
June 19, 2015
Export Citation:
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Assignee:
STRAUMANN HOLDING AG
International Classes:
C03C3/097; A61C5/08; A61C13/083; C03C10/12
Domestic Patent References:
JP2014505542A2014-03-06
JP2001019481A2001-01-23
JP2001019484A2001-01-23
JP2001019487A2001-01-23
JP2001019488A2001-01-23
JP2011040145A2011-02-24
JP2011062526A2011-03-31
Attorney, Agent or Firm:
萼 経夫
宮崎 嘉夫
加藤 勉
伴 知篤