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|Title:||Finishing/polishing of composite and compomer restoratives: Effectiveness of one-step systems|
|Authors:||Yap, A.U.J. |
|Source:||Yap, A.U.J.,Yap, S.H.,Teo, C.K.,Ng, J.J. (2004). Finishing/polishing of composite and compomer restoratives: Effectiveness of one-step systems. Operative Dentistry 29 (3) : 275-279. ScholarBank@NUS Repository.|
|Abstract:||This study investigated the surface texture of composite (Z100, 3M ESPE) and compomer (F2000, 3M ESPE) restoratives after treatment with different one-step finishing/polishing systems (One-Gloss [OG], Shofu; PoGo [PG], Dentsply; Sof-Lex Brush [SB], 3M ESPE). The surface roughness obtained was compared to that using a matrix strip [MS], a two-step rubber abrasive (Composite [CS], Shofu) and a graded abrasive disk (Super Snap [SS], Shofu) system. Eight specimens (3-mm long x 3-mm wide x 2-mm deep) of each material were made according to manufacturer's instructions. With exception of the MS group, all groups were roughened with 320 grit grinding paper using a lapping device prior to finishing/polishing with the different systems. The mean surface roughness (μm) was measured with a profilometer. Data was subjected to ANOVA/Scheffe's tests and independent samples t-test at significance level 0.05. Mean Ra ranged from 0.22 to 0.32 μm for Z100 and 0.45 to 0.68 for F2000. For both materials, the smoothest surfaces were obtained with MS. The roughest surfaces were observed after treatment with SS and OG for Z100 and F2000, respectively. The effectiveness of the finishing/polishing systems was material dependent. The surface finish produced by PG and SB was superior or comparable to that obtained with CS, SS and OG.|
|Source Title:||Operative Dentistry|
|Appears in Collections:||Staff Publications|
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