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Table 5 Description and comparison of microhardness (VHN) values according to the polishing systems used

From: Effects of different polishing systems on the surface roughness and microhardness of a silorane-based composite

Groups Microhardness (VHN-49gF) p
Min Max ( s)
G1 (control) 154.09 199.03 170.60 (15.54) 0.99
G2 (felt disc + paste) 141.58 183.27 168.92 (13.41)
G3 (sandpaper discs) 133.90 186.89 169.52 (15.20)
G4 (silicone tips) 157.32 182.72 170.24 (9.27)