Premolars

Premolars are a type of tooth located in the mouth. They are also known as bicuspids, and they are situated between the canines and the molars. Humans typically have eight premolars in total, with two in each quadrant of the mouth.

Anatomy[edit | edit source]

Premolars are larger and more complex in structure than the incisors and canines. They have two cusps, hence the name bicuspids. The function of the premolars is to assist in the chewing and grinding of food, which is facilitated by their broad, flat surface.

Development[edit | edit source]

The development of premolars in humans begins in childhood. The first premolars typically erupt between the ages of 10 and 12, while the second premolars appear between 11 and 12 years of age. Like all teeth, premolars start as tooth buds in the jaw before they erupt into the mouth.

Clinical significance[edit | edit source]

Premolars are often the teeth most likely to be extracted when orthodontic treatment is required, particularly in cases of overcrowding. They may also be subject to various dental diseases, such as tooth decay and periodontal disease.

See also[edit | edit source]

Premolars Resources
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