total-etch

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1. dentistryPertaining to adhesive systems for bonding fillings to teeth that require the application of phosphoric acid in a separate etching step .

   With the classic total-etch technique, both the enamel and dentin are etched with phosphoric acid.

   2015, Frank Verstraete, Anson J. Tsugawa, Veterinary Dentistry, →ISBN

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   The total-etch system completely removes the smear layer using an acidic gel (usually phosphate acid) and demineralizes hydroxyapatite under the smear layer of the dentin.

   2015, Zhou Xuedong, Dental Caries: Principles and Management, →ISBN, page 119

   As illustrated in Figure 12-1, dentin etching did not gain wide acceptance until Fusayama introduced the total-etch concept in 1979.

   2013, Kenneth J. Anusavice, Chiayi Shen, H. Ralph Rawls, Phillips' Science of Dental Materials, →ISBN, page 261