Fig. 2From: Marginal adaptation of bulk-fill resin composites with different viscosities in class II restorations: a micro-CT evaluationRepresentative sagittal micro-ct images. “white arrows” indicate AgNO3 penetrations. a: XF group. b: XB group. c: BF group. d: BB group. e: FB group. f: FF group g: CF group. h: CO groupBack to article page