cuspid
Học thuậtThân thiện
Definition
Noun: A cuspid is one of the four pointed, conical teeth located in the human mouth, specifically positioned between the incisors (front teeth) and the premolars (bicuspids). There are two cuspids in the upper jaw and two in the lower jaw.
Usage
The term "cuspid" is primarily used in formal, dental, or anatomical contexts to describe a specific type of tooth. * The dentist pointed out that the cuspid was showing signs of wear. * In dental charts, the cuspids are often labeled as teeth numbers 6, 11, 22, and 27. * The cuspid is crucial for tearing food.
Advanced Usage
- Eruption: The permanent cuspids typically erupt in children between the ages of 9 and 12.
- Function: The primary function of the cuspid is to grip and tear food, due to its single, prominent pointed cusp.
Variants and Related Words
- Canine (tooth): This is the most common synonym for "cuspid" in both general and professional use.
- Eye tooth: A colloquial term for the upper cuspids.
- Stomach tooth: An archaic or regional term for a lower cuspid.
- Cuspidate (adj.): Having a cusp or cusps; pointed. (e.g., a leaf).
Synonyms
- Canine tooth
- Canine
- Eye tooth (for upper cuspids specifically)
Related Phrases
- Cuspid guidance: A dental term referring to the guiding contact of the upper and lower cuspids during side-to-side jaw movements.
- Cuspid-protected occlusion: A specific dental articulation where the cuspids protect the other teeth from excessive lateral forces.
Noun
- one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars