Affiliation:
1. US Naval Dental School, Bethesda, Maryland 20014
Abstract
This study investigated the relationships of acid-reaction, softening, and bacterial invasion in carious dentin. Softened carious dentin took up methyl red but not lackmoid. The use of methyl red as pH indicator to show acid-reaction in dentin was questioned. Destructive changes before softening were demonstrated with ninhydrin; these changes preceded bacterial invasion.
Cited by
7 articles.
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