CERAMIC INGOT FOR ARTIFICIAL TOOTH AND MANUFACTURING METHOD OF THE SAME农业专利-农业专业知识服务系统

专利权人:: M&C DENTAL CO., LTD.;KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY

发明人:: KIM, KYOUNG HUN,김경훈,KIM, TAE KWAN,김태관,PARK, JOO SEOK,박주석,KIM, KYUNG JA,김경자,LEE, CHANG TAEK,이창택,PARK, YUN WOO,박윤우,KIM, KYOUNG HUNKR,KIM, TAE KWANKR,PARK, JOO SEOKKR,KIM, KYUNG JAKR,LEE, CHANG TAEKKR,PARK, YUN WOOKR

摘要：: The present invention relates to a ceramic ingot for an artificial tooth which includes 20.0~40.0 mol% of CaO, 3.0-15.0 mol% of Al_2O_3, 45.0-65.0 mol% of P_2O_5, 0.001-2.0 mol% of NiO, 0.1-7.0 mol% of Li_2O, 0.01-3.5 mol% of TiO_2, and 0.001-3.5 mol% of ZrO_2, and to a method for manufacturing the same. According to the present invention, the ceramic ingot for an artificial tooth has thermal conductivity similar with thermal conductivity of a real tooth and thus can prevent sensitive teeth, has transparency and the color which are similar to transparency and the color of the real tooth and thus is less visibly different from the real tooth, and has strength and hardness which are very similar to strength and hardness of the real tooth and thus can prevent the real tooth from being worn.본 발명은, CaO 20.0∼40.0몰%, Al2O3 3.0∼15.0몰%, P2O5 45.0∼65.0몰%, NiO 0.001∼2.0몰%, Li2O 0.1∼7.0몰%, TiO2 0.01∼3.5몰% 및 ZrO2 0.001∼3.5몰%를 포함하는 인조치아용 세라믹 잉곳 및 그 제조방법에 관한 것이다. 본 발명의 인조치아용 세라믹 잉곳에 의하면, 열전도율이 자연치아와 유사하여 치아 시림 현상이 억제될 수 있고, 자연치아와 유사한 투광성 및 색상을 발현하여 자연치아와의 이질감이 작을 뿐만 아니라, 강도 및 경도가 자연치아와 매우 유사하여 자연치아가 마모되는 것이 억제될 수 있다.