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. Author manuscript; available in PMC: 2014 Jan 23.
Published in final edited form as: Dent Mater. 2013 Aug 14;29(10):999–1011. doi: 10.1016/j.dental.2013.07.016

Figure 8.

Figure 8

A: The effect of biomineralization on the dynamic mechanical behavior of hybrid layers (between opposing white arrowheads). Specimens were examined in the hydrated condition after 2 months of biomineralization. R: hydrophilic adhesive resin; T: resin-filled dentinal tubule; M: underlying mineralized dentin. The color scale shows the complex modulus of elasticity from 0–30 GPa. Much of the hybrid layer contains blue and green colors corresponding to complex moduli of 10 to 15 GPa. B: The right image is a TEM micrograph from the same specimen showing that much of the lower half of the hybrid layer (area between opposing white arrowheads) is filled with mineralized collagen (dark appearance). The top of the hybrid layer is electron transparent and not mineralized because the collagen fibrils were enveloped by adhesive resin.