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Rabbits have a dental formula of 2.0.3.3 1.0.2.2. There are no canines. Three to four millimeters of tooth is worn away by incisors every week, whereas the posterior teeth require a month to wear away the same amount. [3] Anatomy of rabbit teeth. The incisors and cheek teeth of rabbits are called aradicular hypsodont teeth.
However, no living placental mammal has this number. In extant placental mammals, the maximum dental formula is 3.1.4.3 3.1.4.3 for pigs. Mammalian tooth counts are usually identical in the upper and lower jaws, but not always. For example, the aye-aye has a formula of 1.0.1.3 1.0.0.3, demonstrating the need for both upper and lower quadrant ...
The sabre-tooth water deer of China is often called the vampire deer due to the exceptionally long canine teeth in the males. In many species the canine teeth in the upper or lower jaw, or in both jaws, are much larger in males than in females, where they are sometimes hidden or completely absent.
A toothcomb (also called a tooth comb or dental comb) is a dental structure found in some mammals, comprising a group of front teeth arranged in a manner that facilitates grooming, similar to a hair comb. The toothcomb occurs in lemuriform primates (which include lemurs and lorisoids), treeshrews, colugos, hyraxes, and some African antelopes.
They have a typical mammalian dental formula of 3.1.4.3 / 3.1.4.3, meaning that each tooth row has three pairs of robust incisors, a pair of large canines, four pairs of pointed premolars, and three pairs of relatively simple and flat molars.
Dogs are less likely than humans to have tooth decay due to the high pH of dog saliva, which prevents an acidic environment from forming and the subsequent demineralization of enamel which would occur. [56] If tooth decay does occur (usually from trauma), dogs can receive dental fillings just as humans do.
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