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영어

4 kinds of implants with different fastening methods with the fixture of equally selected diameter 3.6 mm, length 15 mm and abutment of diameter5.0mm, length 5.7mm and fastened and fixed with the force of 30N·cm and then fatigue test was carried out by using tensile and compression tester (858 Bionix, MTS, USA). According to the fatigue test results, all 4 types of implants met the fatigue test standard of withstanding the load of 5 × 106 Cycles in more than 250N, dental implant testing criteria of Korean Food & Drug Administration medical device standard. 4 kinds of implant fixture and abutment fatigue test results with different fastening methods showed statistically significant differences (p<0.001).