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Figure 3 | BMC Oral Health

Figure 3

From: Design of a randomized controlled double-blind crossover clinical trial to assess the effects of saliva substitutes on bovine enamel and dentin in situ

Figure 3

Arrangement of specimens in the prosthesis and various test fields of both hard tissues. a: - Lower removable full denture with inserted specimens (mesial two dentin specimens, distal two enamel specimens). b: - Arrangement of artificially demineralized enamel specimens (S: sound surface as reference; D: artificially demineralized surface as reference; E1: effect on the artificially demineralized surface after five weeks; E2: effect on the artificially demineralized surface after seven weeks). c: - Arrangement of sound enamel specimens (E1: effect on sound surface after five weeks; E2: effect after seven weeks). d: - Arrangement of sound dentin specimens (E1: effect on sound surfaces after five weeks; E2: effect after seven weeks)

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