Emergency dentist will answer your call now. If you do not get an answers make sure to leave a message where the doctor can call you back.. You will always be treated by appropriate specialists and skilled practitioners who concentrate in dental emergencies, elevation of severe pain, oral medicine / surgery involving the teeth and surrounding structures of the head and neck. Emergency Dentist. Dr. James W. Dunnavant, DDS will treat you just like he has for tourists from around the world, celebrities, royalty, MMA fighters, boxing greats, business executives, showgirls, professional sports legends, politicians, movie stars, doctors, professional gamblers, attorneys, supermodels, and most importantly people like you. The Doctor of Dental Surgery has 25 years professional experience in all specialist areas as a general dentist in private practice at Summerlin Hospital Medical Center treating oral facial infections, including but not limited to a particular specialty, severe pain & trauma.