Formula Sheet
4 min read

Digestion And Absorption

- All formulas of the chapter at one glance.
Dental Formula
The method of expressing or describing the total number of teeth in man and animals according to the arrangement is termed as the Dental Formula.
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Permanent Dental Formula in Humans
The dental formula represents the arrangement of teeth in each half of the upper and the lower jaw. The entire formula is multiplied by two to represent the total number of teeth.
The permanent or adult dental formula of humans is
This is the notation format for dental formula in mammalogy. It shows the number of incisors (2), canines (1), premolars (2) and molars (3) in each half of the upper jaw and the lower jaw. The total count is 32 teeth in the buccal cavity.
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Primary Dental Formula in Humans
Human beings have two sets of teeth during their life, i.e, one temporary set and another one permanent set.
The primary dentition is the same as adults except that it has no premolars. The primary dentition is made up of central incisors, lateral incisors, canines, first molars, and secondary molars; there is one in each quadrant, making a total of four of each tooth. Check out the given formula.
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Comparison of Dental Formula of Humans and Other Animals
The herbivores are plant eating animals and hence their teeth are used for cutting, gnawing and biting. While on the other hand carnivores, the meat-eating animals have teeth that are sharper and more suited to catching, killing and tearing the prey. Because of the various dietary patterns and the nutrient amount in food, animals have different types and numbers of teeth. Let us check the dental formulae and arrangement of teeth in some animals like horse, cow, sheep, pig and dog and compare these with teeth in humans.
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