Remineralization of softened human enamel in mucin‐ or CMC‐containing artificial salivas

Abstract
The rehardening properties of 4 saliva substitutes on artificially softened human enamel were investigated by microhardness measurements. The saliva substitutes were all based on the same formula, containing Ca, phosphate and F- as the main electrolytes, and mucin or CM-cellulose (CMC) as the main macromolecules. A rehardening potential apparently exists in the saliva substitutes when Ca and phosphate are present. Omitting F- greatly reduces the rehardening potential. The rehardening is better in case of the CMC-containing saliva than in that containing mucin.

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