Levator Anguli Oris Explained For Dental Students
Write short note on levator anguli oris.
Answer.
- It is also known as caninus muscle.
- Levator anguli oris is one of the smiling muscles.
- Levator anguli oris is the deep muscle of upper lip.
- Function of this muscle is to raise the corners of mouth.
- Activity or hyperactivity of this smiling muscle is a neuromuscular function and can mislead dentist into a false impression of excess tooth/gingival display during smiling.
- Hyperactivity of the muscle causes excess incisal gingival display.
- In such cases there is need of maxillary impaction surgery.
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