Pronunciation

pair-ih-KIY-muh

Plural

perikymata [pair-ih-KIY-muh-tuh]

Variations

striae of Retzius

Definition

  • Small pits on the surface of a tooth surrounding the enamel prisms. Perikymata appear as a series of incremental growth lines in youthful teeth, most easily noticeable in canines, and become less noticeable over time due to the wear of the enamel surface.

Related terms

peri-, imbrication lines, striation