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J. Korean Ceram. Soc. > Volume 42(10); 2005 > Article
Journal of the Korean Ceramic Society 2005;42(10): 660.
doi: https://doi.org/10.4191/kcers.2005.42.10.660
수산화아파타이트(HAp)를 이용한 치아 수복제에 관한 연구
밀양대학교 신소재공학부
Study on the Tooth Recovery Material Using with Hydroxyapatite
Su-Chak Ryu
Department of Materials Engineering, Miryang National University
Hydroxyapatite powder was injected into the tooth after decayed tooth clinic. The microstructure of tooth was observed after a tooth extraction in the body. The hydroxyapatite powder was stiffened and the junction of hydroxyapatite powder and tooth was observed. The Ca/P atomic ratio of hydroxyapatite-tooth boundary was higher than hydroxyapatite matrix. And microhardness of hydroxyapatite matrix was 92.4 Hv. The junction of hydroxyapatite powder and tooth was due to the $Ca^{2+}$ ion shift of hydroxyapatite or the firm waxy body was due to setting of hydroxyapatite powder.
Key words: Hydroxyapatite, Tooth, Extraction junction, Microstructure, Setting
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