Research Article

Mechanical Properties of Enamel Nanocomposite

Figure 7

Typical SEM photomicrographs of (a) a Vickers indent at the enamel nanocomposite zone, (b) crack propagation near DEJ zone at higher magnification, (c) a Vickers indent at dentin zone very near to the DEJ zone, (d) a Vickers indent at dentin zone, (e) crack arrest for cracks from a Vickers indent very near to the DEJ zone, and (f) a Vickers indent at the DEJ zone.
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(a)
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(b)
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(c)
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(d)
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(e)
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(f)