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Volume 25 , Issue 2
March/April 2005
Pages 157–163

A Comparative SEM Study of Smear Layer Removal by Detergents and EDTA on the Root Surface

Jose Eduardo Cezar Sampaio, DDS, PhD/Leticia Helena Theodoro, DDS, MS/Marcos Antonio Correa, DDS, MS/Ary Jose Dias Mendes, DDS, PhD

PMID: 15839592
DOI: 10.11607/prd.00.0627

The present study performed an SEM evaluation of the efficiency of the following detergents on smear layer removal on the root surface: sodium lauryl sulphate, Plax, castor oil, and EDTA 24%. Sodium lauryl sulphate did not remove the smear layer and showed the worst results of all detergents tested. Plax and castor-oil detergents showed similar results represented by partial removal of the smear layer; these results were better than those obtained in the control (physiologic serum) and sodium lauryl sulphate groups. Neutral EDTA 24% was the most efficient detergent for smear layer removal. (Int J Periodontics Restorative Dent 2005;25:157–163.)

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