are regionally specialized into classes of different types as in humans and
only as in walrus and seals.
teeth as in humans.
structures during the course of development as in certain species of whales and
tubercles or cones; they are low height occlusocervically with well-developed
roots. An example is the posterior teeth in the pig.
into half-moon shapes. The teeth themselves are elongated mesiodistally. The
concave side faces laterally in the upper jaw; lingually in the lower jaw. The
grinding stroke is thus from the outside inward and from the inside outward. An
example is in the cheek teeth of sheep.
teeth adapted to cutting the diet into pieces and swallowing them whole. A
specialized variant in carnivores are the carnassials which consist of the last
premolar in the upper jaw and the first molar of the lower jaw.
a crest) molars are ridged teeth that have transverse ridges as in the tapir
molar. The power stroke is where the lower molars slide forward against the
well-developed roots. This condition is seen in humans.
roots as seen in the horse. It them, it is a function adaptation for continuous
wear sustained by chewing grass with a high abrasive silica content.
roots, as seen in the dolphin.
beyond the lips when the mouth is closed. They include the following: (1) The
incisors of the Elephant and Hippopotamus; (2) The left incisor of the Narwhal;
(3) Canines of the Wild Boar, Wart Hog and Walrus.