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Best Answer: Some states have expanded duty dental assistants. They cannot drill on teeth but they are trained to placed fillings after the dentist prepares the tooth and removes the decay. If still hurting in a week you may want to have them looked at.
Some of the duties of a dental assistant include: 1  Working with patients to make them feel comfortable as they get seated in the dental chair. 2  Explaining what patients can expect to experience during their visit. 3  Preparing the work area for the dentist and hygienist, organizing tools and instruments on the tray.  Taking dental X-rays.