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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Bioact Compat Polym. 2012 Nov;27(6):585–603. doi: 10.1177/0883911512458050

Figure 7.

Figure 7

The hydrogel-on-tooth specimens in a CDFF device for biofilm culture. (a) Illustration of a hydrogel-covered tooth lesion shows the ion and amelogenin transportation for remineralization, (b) the tooth specimens on plugs with remineralization hydrogel, (c) the flange with 15 holes where the plugs with O-ring can be inserted with a preset depth of 300 µm to the top, and (d) the sealed glass cylinder to ensure the desired atmosphere for biofilm formation. The Teflon scraper removes excess biofilm keeping a constant thickness of biofilm on the tooth/hydrogel surface.

CDFF: constant-depth film fermenter; AMGN: amelogenin.