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연마시스템에 따른 복합레진의 표면거칠기와 연마시간에 대한 평가

Other Titles
 The evaluation of surface roughness and polishing time between polishing systems 
 김예미  ;  신수정  ;  박정원  ;  송민주 
 Journal of Korean Academy of Operative Dentistry (대한치과보존학회지), Vol.36(2) : 119-124, 2011 
Journal Title
 Journal of Korean Academy of Operative Dentistry  (대한치과보존학회지) 
Issue Date
Objectives: The purpose of this experiment was to evaluate four different polishing systems of their polishability and polishing time. Materials and Methods: 4 mm diameter and 2 mm thickness Teflon mold was made. Z-250 (3M ESPE) hybrid composite resin was slightly overfilled and pressed with slide glass and cured with Optilux 501 for 40 sec each side. Then the surface roughness (glass pressed: control group) was measured with profilometer. One surface of the specimen was roughened by #320 grit sand paper and polished with one of the following polishing systems; Sof-Lex (3M ESPE), Jiffy (Ultradent), Enhance (Dentsply/Caulk), or Pogo (Dentsply/Caulk). The surface roughness and the total polishing time were measured. The results were analyzed with one-way ANOVA and Duncan’s multiple range test. Results: The surface roughness was lowest in Pogo, and highest in Sof-Lex. Polishing times were shortest with Pogo, and followed by the Sof-Lex, Enhance and Jiffy. Conclusions: One-step polishing system (Pogo) is very effective to get the smooth surface in a short time, therefore it can be recommended for final polishing system of the restoration.
Appears in Collections:
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실)
Yonsei Authors
박정원(Park, Jeong Won) ; 송민주(Song, Min Ju) ; 신수정(Shin, Su Jung)
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