Premolars
Premolars
Premolars (pronounced: pre-mo-lars), also known as bicuspids (pronounced: bi-cus-pids), are a type of tooth located between the canines and molars. They are part of the permanent teeth in humans, and their primary function is to tear and crush food.
Etymology
The term "premolar" is derived from Latin, with "pre-" meaning "before" and "molar" referring to the grinding teeth at the back of the mouth. The term "bicuspid" also comes from Latin, with "bi-" meaning "two" and "cuspid" referring to a point or tip, in this case, the two pointed cusps on the chewing surface of the tooth.
Anatomy
Premolars typically have two cusps. Upper premolars, also known as maxillary premolars, are larger and have a more complex structure than lower premolars, or mandibular premolars. The first premolars, closer to the midline of the mouth, are usually larger than the second premolars.
Related Terms
- Deciduous teeth: The first set of teeth in the growth development of humans and many other mammals. They are also known as "baby teeth," "milk teeth," or "primary teeth."
- Dentition: The arrangement or condition of the teeth in a particular species or individual.
- Crown (tooth): The part of a tooth that is covered by enamel and extends above the gum line.
- Root (tooth): The part of a tooth that is embedded in the jaw and serves as support.
See Also
External links
- Medical encyclopedia article on Premolars
- Wikipedia's article - Premolars
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