발간논문

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Vol.32, No.10, 1171 ~ 1180, 1994
Title
Fabrication and Characteristics of Bioceramics for artificial dental Crowns ( Fabrication and Sintering Characteristics )
고영호 , 한복섭 , 이준희 , 최석규, 최진원 Y . Ho Koh , B . Seob Han , J . Hee Lee , S . Kyu Choi , J . Won Choi
Abstract
Bioceramics for artificial dental crowns in dentistry have been fabricated by sol-gel process and melting method, respectively. Sintering characteristics have been investigated after compositing powder mixtures relative to leucite content(0∼30wt.%) added to glass matrix. Highly pure leucite powders have been fabricated by sol-gel process and glass powders have been manufactured with 20∼30㎛ particle size by a melting method. Sintering temperatures could be controlled from 1020℃ to 1175℃ relative to the powder mixtures of leucite and glass powders. The relative sintered density was 80∼83% of theoretical density. Shrinkage was about 20∼25% after sintering.
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