【医】 periodontosis
cuspid; tooth; tooth-like thing; tusk
【医】 dens; dent-; dental ivory; dentes; denti-; dento-; odont-; odonto-
teeth; tooth
all; all over; circuit; circumferenc; cycle; thoughtful; week
【计】 REV
【化】 peri
【医】 para-; peri-; perimeter
become; change
【医】 meta-; pecilo-; poecil-; poikilo-