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To best preserve the dental tissue and the pulp, an optimal cavity wall treatment is essential for taking full advantage of adhesive restorations. After analyzing the reasons for discrepancies between the results from laboratory and clinical studies, competing techniques of cavity wall treatment are evaluated. It is concluded that etching both the enamel and the dentin simultaneously, immediately coating with the chemically adhesive bonding agent, and placing the composite (without cement lining) is the simplest, surest, and most biologically protective technique.
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A 1990 study studied this question.
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