Ownership of City Center Dental Care has changed with Drs. Sonia Tao-Yi and Dr. Aaron Hayes as new owners. Dr. Tao has been practicing dentistry for 20 years, with 10 years at City Center Dental Care. Dr. Hayes has been practicing with the dental office for the past two years. He earned a Master’s degree in oral biology, which allows him to treat patients using techniques in IV sedation, oral surgery, periodontal surgery and implant placement. Former owner Dr. William Griffin, who began the practice in 1983, has accepted a part-time position with the Christian Medical and Dental Associations in Bristol, Tennessee. He will serve as its vice president for dental ministries.