a physiologic phenomenon whereby the tooth continually or constantly grows, calcifies, and erupts; for example, the rat incisor tooth. Synonym(s): persistently growing tooth
per·pet·u·al·ly grow·ing tooth
(pĕr-petyū-ă-lē grōwing tūth) Physiologic phenomenon whereby tooth continually or constantly grows, calcifies, and erupts; e.g., the incisor tooth in rats.