Summary
This article examines two distinct types of cracks in tooth enamel: traditional craze lines and internal craze lines. Traditional craze lines extend from the enamel-dentin junction to the surface of the enamel, while internal craze lines originate at the enamel-dentin junction but terminate within the enamel. The authors discuss the clinical significance of these two types of cracks, highlighting their differences in appearance and staining properties. The article emphasizes the importance of recognizing internal craze lines for accurate diagnosis and treatment planning, as they may require different approaches than traditional craze lines.
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