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. Author manuscript; available in PMC: 2016 Jun 17.
Published in final edited form as: J Biomed Eng Inform. 2016 Mar;2(1):119–128. doi: 10.5430/jbei.v2n1p119

Figure 2.

Figure 2

(A) SEM image of enamel etched with 30% H3PO4 for 30 seconds. (B–C) SEM images of enamel blocks after 5 days of cycle I (B) without and (C) with CS-AMEL hydrogel treatment. Insets show the images at a higher magnification. (D) XRD spectra of etched enamel (black) and repaired enamel blocks after 5 days of cycle I (blue) with and (red) without CS-AMEL hydrogel treatment.