| 수산화아파타이트(HAp)를 이용한 치아 수복제에 관한 연구 |
| 류수착 |
| 밀양대학교 신소재공학부 |
| Study on the Tooth Recovery Material Using with Hydroxyapatite |
| Su-Chak Ryu |
| Department of Materials Engineering, Miryang National University |
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| ABSTRACT |
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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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