세 가지 방식으로 제작된 레진코핑의 내면적합성 평가: 3차원적 분석Assessment of internal fitness on resin copings fabricated by 3 – ways methods: Three - dimensional analysis
- Other Titles
- Assessment of internal fitness on resin copings fabricated by 3 – ways methods: Three - dimensional analysis
- Authors
- 강신영; 김웅철; 박진영; 김동연
- Issue Date
- 2017
- Publisher
- 대한치과기공학회
- Keywords
- Denture; Glass fiber; Resin; Shrinkage
- Citation
- 대한치과기공학회지, v.39, no.1, pp.17 - 24
- Indexed
- KCI
OTHER
- Journal Title
- 대한치과기공학회지
- Volume
- 39
- Number
- 1
- Start Page
- 17
- End Page
- 24
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/85614
- DOI
- 10.14347/kadt.2017.39.1.17
- ISSN
- 1229-3954
- Abstract
- Purpose: The purpose of this study was to evaluate the internal fitness of the resin coping that was fabricated by the traditional and Digital manufacturing methods through 3-dimensional analysis.
Methods: maxillary right second molar was chosen implant master model. Custom-built impression trays were manufactured. After screwing the pick-up impression coping onto the master cast, impressions were made with silicone impression. The Working model was then made with type IV stone. The coping was fabricated: SLAC group (n=8), APPC group (n=8), LAPC group (n=8) Resin coping data was measured by using a three-dimensional evaluation program. Internal fitness was calculated by RMS (Root Mean Square).It measures mean and Stand Deviation (SD).
Results: Three groups are measured 47.11±(3.08)㎛ total RMS of SLAC group, 48.35(±1.55㎛) for total RMS of LAPC group, 43.45±2.09㎛ for total RMS of APPC group. Measured value is gradually increased. Followed by autopolymerized pattern resin; Stereolithography resin, Light-activated pattern resin But there were no differences stastically(P>0.321).
Conclusion: Evaluation of internal fitness on Resin copings was fabricated by three–ways methods showed that no differences statistically significant and clinically acceptable results
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