Meanings
nouncraze line (plural craze lines)
plural craze lines
- dentistryA fine, superficial, hairline crack in the outer enamel of a tooth.
An unstained craze line can also be shown by spreading a light blue stain in one direction.
1975, Walter Reed Army Medical Center, Department of Dentistry, Dental Review, page 521 more example
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.
2014, Paul A. Rosenberg, Endodontic Pain, Diagnosis, Causes, Prevention and Treatment, page 67
Cite this entry
APA
craze line. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/craze%20line
MLA
“craze line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/craze%20line. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “craze line,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/craze%20line.
Source: craze line on Wiktionary, CC BY-SA 4.0.