trigone /trī″gōn/ [Gk, trigonos, three-cornered] , 1. a triangular space, especially one at the base of the shoulder. 2. the first three dominant cusps, considered collectively, of an upper molar.
trigone /trī″gōn/ [Gk, trigonos, three-cornered] , 1. a triangular space, especially one at the base of the shoulder. 2. the first three dominant cusps, considered collectively, of an upper molar.