Dentist Nadia O' Neal at NuSmile Dental offers advanced and emergency sedation dentistry service in Seminole, FL. Call today to make your appointment! NuSmile is proud to be a full service center that promotes the health and beauty of your smile. From routine cleanings and preventive care to oral surgery and periodontal treatments, Dr. O'Neal and her staff are well equipped to handle all dental situations in a timely and effective manner. We find that patients like having one provider for their tooth and gum care needs, and appreciate that we can be a dentist, orthodontist, periodontist and oral surgeon.