Extrinsic muscles are contained within a region such as the hand or the leg, and the intrinsic muscles move the fingers but are found outside the region.
Answer:
depression
schizophrenia
psychosis, including hallucinations or delusions
Parkinson’s disease
Explanation:
https://www.medicalnewstoday.com/articles/320637#causes
"I will be sure to encourage good oral care and regular dental visits."