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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Biomaterials. 2013 Aug 13;34(34):8650–8659. doi: 10.1016/j.biomaterials.2013.07.090

Figure 5.

Figure 5

Surface characteristics of the dentin specimens before and after cyclic loading. a) micrograph obtained from the tensile surface of dentin specimens evaluated in lactic acid after 1 million cycles. Note the open lumens evident on this surface, which are generally covered by a smear layer. b) comparison of the surface topography of a specimen before cyclic loading (control) and a specimen evaluated in lactic acid after 1 million cycles of loading. c) profile valley from (b) with measure of the valley radius of curvature.