3D 프린팅 기술로 출력된 치과 보철물의 임상적 적합도 평가
Evaluation of clinical adaptation of dental prostheses printed by 3-dimensional printing technology
김기백,
소속 상세정보
김기백 ( Kim Ki-Baek ) - 대전보건대학교 치기공과
Abstract
Purpose: The objectives of this study was to evaluate clinical adaptation of dental prostheses printed by 3 dimensional(3D) printing technology.
Methods: Ten study models were prepared. Ten specimens of experimental group were printed by 3D printing(3DP group). As a control group, 10 specimens were fabricated by casting method on the same models. Marginal gaps of all specimens were measured to evaluate clinical adaptation. Marginal adaptations were measured using silicone replica technique and measured at 8 sites per specimen. Wilcoxon’s signed-ranks test was used for statistical analysis(α = 0.05).
Results: Means of marginal adaptations were 95.1μm for 3DP group and 75.9μm for CAST group(p < 0.000).
Conclusion : However, the mean of the 3DP group was within the clinical tolerance suggested by the previous researchers. Based on this, dental prosthesis fabricated by 3D printing technology is considered to be clinically acceptable.
키워드
Digital; Marginal gap; Adaptation
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