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Scanning electron microscopy of the substructure of smear layers in human dentine
1Department of Oral Biology, Medical College of Georgia, Augusta.
Archives of Oral Biology
|January 1, 1988
Abstract:
Smear-layer debris was sonicated from dentine surfaces and trapped on microfilters for microscopy, which showed that the layers are composed, in part, of aggregates of globular subunits approx. 0.05-0.1 micron in diameter. Such globules were also seen in smear layers in situ and on fractured dentine surfaces. The composition of smear layers may reflect the substructure of dentine matrix.