디지털 광 조명 방식으로 제작한 임시 크라운의 세척 시간에 따른3차원 적합도 평가
Comparison of three-dimensional adaptation as per the rinsing time of temporary crown manufactured using a digital light processing printer
이범일, 유승규, 유승민, 김지환,
소속 상세정보
이범일 ( Lee Beom-Il ) - Korea University College of Health Science Department of Dental Laboratory Science and Engineering
유승규 ( You Seung-Gyu ) - Korea University College of Health Science Department of Dental Laboratory Science and Engineering
유승민 ( You Seung-Min ) - Korea University College of Health Science Department of Dental Laboratory Science and Engineering
김지환 ( Kim Ji-Hwan ) - Korea University College of Health Science Department of Dental Laboratory Science and Engineering
Abstract
Purpose: This study aimed to compare three-dimensional adaptation with the rinsing time ofthe temporary crown produced using the digital light processing method.
Methods: The maxillary right first molar abutment was scanned with a dental scanner. Atemporary crown was designed with the scanned abutment. The designed crown was madeof 10 temporary crowns using a digital light processing printer. The crowns were divided intothe 5-minute and 10-minute rinsing groups; 5 temporary crown washes were performed foreach group. In order to obtain the internal data, each group was scanned for a temporarycrown. The three-dimensional fit was measured by superimposing the scanned internal surfacedata and the abutment data. The average comparison of three-dimensional adaptationwas analyzed using the Mann?Whitney U test.
Results: The 5-minute rinsing group showed a significantly higher adaptation of 71.42±3.08μm as compared to the 10-minute rinsing group (67.52±0.92 μm) (p<0.05).
Conclusion: When making a temporary crown with a digital light processing method, a rinsingtime of 10 minutes is appropriate.
키워드
Adaptation; Additive manufacturing; Digital light processing; Provisional crown; Vat photopolymerization
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