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Dental assistants assist the dental operator (dentist or other treating dental auxiliary) in providing more efficient dental treatment, by preparing the patient for treatment, sterilizing instruments, passing instruments during the procedure, holding suction devices, exposing dental radiographs, taking impressions, and fabricating provisional crowns ...
Both dental hygienists and dental assistants work with dentists to help people care for their teeth, treat problems such as cavities and prevent dental disease. Dental hygienists, however, generally undergo more education than dental assistants and also have a much wider scope of practice.oth dental hygienists and dental assistants work with dentists to help people care for their teeth, treat problems such as cavities and prevent dental disease. Dental hygienists, however, generally undergo more education than dental assistants and also have a much wider scope of practice.