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J Dent Res 54(6): 1222-1231, 1975
© 1975 International and American Associations for Dental Research
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SEM Investigation of the Variability of Enamel Surfaces After Simulated Clinical Acid Etching for Pit and Fissure Sealants

G. W. MARSHALL 1, L. M. OLSON 1, and C. V. LEE 1

1 Department of Biological Materials, Northwestern University Dental School, Chicago, Illinois 60611, USA

Etching preferentially occurs on cuspal inclines and on premolars vs molars. After longer times, etching occurs near the pits and fissures. Enamel rods etch at cores and prism borders simultaneously in the same area. Longer etching times produce more enamel surface relief, permitting better sealant adaption to the enamel.

Submitted on June 24, 1974
Accepted on June 27, 1975




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M.F. Orellana, A.E. Nelson, J.P.R. Carey, G. Heo, D.G Boychuk, and P.W. Major
Surface Analysis of Etched Molar Enamel by Gas Adsorption
J. Dent. Res., June 1, 2008; 87(6): 532 - 536.
[Abstract] [Full Text] [PDF]


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