cusp-and-groove pattern

cusp-and-groove pat·tern

(kŭsp grūv pat'ĕrn)
The arrangement of the cusps and grooves on molars; in the lower molars there are four principal ones, Y-5, Y-4, +5, and +4.

cusp-and-groove pat·tern

(kŭsp grūv pat'ĕrn)
Arrangement of cusps and grooves on molars; in the lower molars, there are four principal ones, Y-5, Y-4, +5, and +4