전자처리 스페클 패턴 간섭법(ESPI)을 이용한 3-유닛 고정성 국소의치의 변형특성 분석
Deformation Characteristics Analysis of 3-Unit Fixed Partial Dentures by Using Electronic Speckle Pattern Interferometry
강후원, 이철민, 양승필, 김희진,
소속 상세정보
강후원 ( Kang Hoo-Won ) - 동아인재대학교 치기공과
이철민 ( Lee Chul-Min ) - 동아인재대학교 치기공과
양승필 ( Yang Seung-Pil ) - 동아인재대학교 안경광학과
김희진 ( Kim Hee-Jin ) - 부산가톨릭대학교 치기공학과
KMID : 0362120130350010049
Abstract
Purpose: The deformation characteristics induced by non-destructive stresses using piezoelectric transducer(PZT) were analyzed for 3-unit fixed partial dentures manufactured PFM, Everest(CAD/CAM) and Zirkonzahn(copy milling, MAD/MAM) by electron speckle pattern interferometery(ESPI).
Methods: The ESPI analysis after loading the restoration with PZT by applying electric voltage of 900mV at the points of 10 above the base of the prostheses.
Results: PFM and All-Ceramic Everest prostheses showed about 0.1 while that of All- Ceramic Zirkonzahn prostheses showed 0.085 , demonstrating that Zirkonzahn displaced less. For PFM and All-Ceramic Zirkonzahn prostheses, the displacements were large at just below the loading point, while generalize displacement was shown over the loading point and weak connector areas for All-Ceramic Everest prostheses.
Conclusion: We could find that the deformation characteristics induced by non-destructive stresses using PZT analyzed by ESPI were similar to the fracture strengths evaluated using universal testing machine.
키워드
deformation characteristics; 3-unit fixed partial dentures; piezoelectric transducer (PZT); electron speckle pattern interferometery (ESPI)
원문 및 링크아웃 정보
등재저널 정보