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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제7권 제1호
- 발행연도
- 2015.1
- 수록면
- 27 - 31 (5page)
이용수
초록· 키워드
오류제보하기
PURPOSE. The purpose of this report was to evaluate the effect of the fabrication method and material type on the fracture strength of provisional crowns. MATERIALS AND METHODS. A master model with one crown (maxillary left second premolar) was manufactured from Cr-Co alloy. The master model was scanned, and the data set was transferred to a CAD/CAM unit (Yenamak D50, Yenadent Ltd, Istanbul, Turkey) for the Cercon Base group. For the other groups, temporary crowns were produced by direct fabrication methods (Imident, Temdent, Structur Premium, Takilon, Systemp c&b II, and Acrytemp). The specimens were subjected to water storage at 37C for 24 hours, and then they were thermocycled (TC, 5000×, 5-55캜) (n=10). The maximum force at fracture (Fmax) was measured in a universal test machine at 1 mm/min. Data was analyzed by non-parametric statistics (α=.05). RESULTS. Fmax values varied between 711.09-1392.1 N. In the PMMA groups, Takilon showed the lowest values (711.09 N), and Cercon Base showed the highest values (959.59 N). In the composite groups, Structur Premium showed the highest values (1392.1 N), and Acrytemp showed the lowest values (910.05 N). The composite groups showed significantly higher values than the PMMA groups (P=.01). CONCLUSION. Composite-based materials showed significantly higher fracture strengths than PMMA-based materials. The CADCAM technique offers more advantages than the direct technique.
목차
등록된 정보가 없습니다.
참고문헌 (31)
참고문헌 신청
Cheng CJ / 2010 / Multifactorial analysis of variables influencing the fracture strength of repair joints for provisional restorative materials using the statistically based Taguchi method / J Dent Sci 5:90~99
Nejatidanesh F / 2009 / Flexural strength of interim resin materials for fixed prosthodontics / J Prosthodont 18:507~511
Lang R / 2003 / Fracture resistance of PMMA and resin matrix composite-based interim FPD materials / Int J Prosthodont 16:381~384
Pihut M / 2009 / Measurement of occlusal forces in the therapy of functional disorders with the use of botulinum toxin type A / J Physiol Pharmacol 60:113~116
Tortopidis D / 1998 / The variability of bite force measurement between sessions, in different positions within the dental arch / J Oral Rehabil 25:681~686
Nejatidanesh F / 2009 / Flexural strength of interim resin materials for fixed prosthodontics / J Prosthodont 18:507~511
Lang R / 2003 / Fracture resistance of PMMA and resin matrix composite-based interim FPD materials / Int J Prosthodont 16:381~384
Pihut M / 2009 / Measurement of occlusal forces in the therapy of functional disorders with the use of botulinum toxin type A / J Physiol Pharmacol 60:113~116
Tortopidis D / 1998 / The variability of bite force measurement between sessions, in different positions within the dental arch / J Oral Rehabil 25:681~686
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