A comparative SEM study of smear layer removal by detergents and EDTA on the root surface

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Sampaio, José Eduardo Cezar [UNESP]
Theodoro, Letícia Helena [UNESP]
Correa, M. A.
Mendes, A. J. D.

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Quintessence Publishing Co Inc


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.



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International Journal of Periodontics & Restorative Dentistry. Carol Stream: Quintessence Publ Co Inc., v. 25, n. 2, p. 157-163, 2005.