About Us Newcastle Dental Group is a family-friendly general dentist treating children and adults of all ages. We take care of all your needs, at an affordable cost Conveniently located on Highway 37, the Newcastle Dental Group is a family-friendly dental office opening in mid-March. Patients will be welcome for a wide variety of dental services including: exams and x-rays, cleanings, whitening, fillings, extractions, crowns and bridges, dentures, and much more. An oral surgeon will also be in the office to provide more advanced procedures to patients according to their needs.