craze line

English

Noun

craze line (plural craze lines)

  1. (dentistry) A fine, superficial, hairline crack in the outer enamel of a tooth.
    • 1975, Walter Reed Army Medical Center, Department of Dentistry, Dental Review, page 52:
      An unstained craze line can also be shown by spreading a light blue stain in one direction.
    • 2014, Paul A. Rosenberg, Endodontic Pain, Diagnosis, Causes, Prevention and Treatment, page 67:
      Craze lines are thin, usually dark lines that appear to be superficial, without separation of adjacent segments. When examining teeth for cracks, it is important to understand that most adult teeth have craze lines.
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