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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제10권 제2호
- 발행연도
- 2018.1
- 수록면
- 128 - 131 (4page)
이용수
초록· 키워드
오류제보하기
PURPOSE. This study aimed to evaluate the marginal discrepancy of full-arch frameworks in implant-supportedprostheses fabricated using pre-sintered soft alloy (PSA). MATERIALS AND METHODS. Full-arch metal frameworks were fabricated on the edentulous implant model using casting alloy (CA), fully-sintered hard alloy (FHA), and PSA (n = 4 in each group). To evaluate the misfit of the framework to the abutments, the absolute marginal discrepancy (AMD) values of the frameworks were measured in cross-sectional images that had been drawn as part of the triple-scan protocol. The AMD values were compared among the tested alloy groups using the Kruskal-Wallis test, with a post hoc Mann-Whitney U test (α=.05). RESULTS. The FHA and PSA groups showed lower marginal discrepancies than the CA group (P<.001). However, the FHA group did not differ significantly from the PSA group. CONCLUSION. Soft alloy milling is comparable to hard alloy milling, and it is more precise than casting in terms of the marginal fit of implant-supported, full-arch prostheses.
목차
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참고문헌 (27)
참고문헌 신청
Holmes JR / 1989 / Considerations in measurement of marginal fit / J Prosthet Dent 62:405~408
Henry PJ / 1987 / An alternative method for the production of accurate casts and occlusal records in osseointegrated implant rehabilitation / J Prosthet Dent 58:694~697
Aparicio C / 1995 / A new method for achieving passive fit of an interim restoration supported by Branemark implants: a technical note / Int J Oral Maxillofac Implants 10:614~618
Contrepois M / 2013 / Marginal adaptation of ceramic crowns: a systematic review / J Prosthet Dent 110:447~454
Pimenta MA / 2015 / Evaluation of marginal and internal fit of ceramic and metallic crown copings using x-ray microtomography (micro-CT) technology / J Prosthet Dent 114:223~228
Henry PJ / 1987 / An alternative method for the production of accurate casts and occlusal records in osseointegrated implant rehabilitation / J Prosthet Dent 58:694~697
Aparicio C / 1995 / A new method for achieving passive fit of an interim restoration supported by Branemark implants: a technical note / Int J Oral Maxillofac Implants 10:614~618
Contrepois M / 2013 / Marginal adaptation of ceramic crowns: a systematic review / J Prosthet Dent 110:447~454
Pimenta MA / 2015 / Evaluation of marginal and internal fit of ceramic and metallic crown copings using x-ray microtomography (micro-CT) technology / J Prosthet Dent 114:223~228
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