| perikymata | The transverse ridges and grooves on the surface of tooth enamel. Origin: peri-+ G. Kyma, wave (05 Mar 2000) |
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| perikymata |
the numerous small transverse ridges on the surface of the enamel of permanent teeth, representing overlapping prism groups; continued abrasion erodes the enamel surface and obliterates them.
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