Human: What's the difference between a hygienist and a dentist? Assistant: 
The main difference between a hygienist and a dentist is that a hygienist is trained to provide preventative care, such as cleanings and checkups, while a dentist focuses on restorative dental care. Hygienists typically work in offices or clinics and are responsible for providing oral health education and preventive services to patients. Dentists, on the other hand, specialize in treating more complex dental problems and restoring damaged teeth and gums.