Mice have four incisors, two maxillary (upper) incisors, and two mandibular (lower ... compensating for the portion that is worn away through normal use. The outer (or front) surface of the ...

continuously grow at an average rate of 2 mm per week for maxillary incisor teeth and 2.4 mm per week for mandibular incisor teeth 1. The most common causes of dental disease that affect the ...