Medial excursion is the movement of the mandible medially when grinding the teeth.
What is Medial excursion?
This is the returning of the mandible to its resting position at the midline and occurs during the grinding of the teeth.
The temporalis muscle which is found in the jaw region is responsible for this type of movements.
Read more about Temporalis muscle here https://brainly.com/question/9395664
