American Dental Association (ADA)

Full Text: 

2.F. PATIENT ABANDONMENT.
Once a dentist has undertaken a course of treatment, the dentist should not discontinue that treatment without giving the patient adequate notice and the opportunity to obtain the services of another dentist. Care should be taken that the patient’s oral health is not jeopardized in the process.

Short Text: 

...the dentist should not discontinue that treatment without giving the patient adequate notice and the opportunity to obtain the services of another dentist...