Dental Formula - Dog
Overview
Image from Aspinall, The Complete Textbook of Veterinary Nursing, Elsevier Health Sciences, All rights reserved
Dogs are toothless at birth. Their deciduous teeth are complete and functional within 2 months of birth in most breeds. Permanent teeth are complete and funtional by the end of the 7th month.
The formula for deciduous teeth: 2 (i3/3 c1/1 p3/3)
The formula for permanent teeth: 2 (I3/3 C1/1 P4/4 M2/3)
Canine teeth
The canine teeth are large, curved and laterally compressed. Their root is longer than their crown. They have a single root.
Molars
The molars are broader than the premolars. The large flat surface is used for grinding.
Incisors
They have a single root.
Premolars
The premolars are irregular and closely-spaced. They are more complex and larger caudally.
Breed Differences
Eruption times differ between breeds so it is difficult to age dogs by their teeth.
| Dental Formula - Dog Learning Resources | |
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 Anatomy Museum Resources |
Image - Canine Dentition |
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