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No, the head of the dentist is usually always 45-degrees from the patient. Dentists NEVER look into the mouth of a patient head on. The vacuum is head on in fro
by somid3 6y ago
No, the head of the dentist is usually always 45-degrees from the patient. Dentists NEVER look into the mouth of a patient head on. The vacuum is head on in front of the patient, the dentist is 45-degrees off. Imagine a equi-distant triangle of patient, dentist, and vacuum.
- jaclaz 6y agoI see, thanks.