Registered Dental Hygienist. Dr. John L. Gravitte & Associates. VOTED ‘Best Dental Practice’ &. ‘Best Dentist’ in Surry County and ‘Patient’s Choice’. Conveniently located in Mount Airy, NC. . Seeking a detail-orientated, self-motivated, kind and compassionate Registered Dental Hygienist to complement our hygiene team at Dr. John L. Gravitte and Associates. . Full-time. and. Part-time. employment arrangements, including Fridays, considered. . We ...