Our Team


John Masengill, DDS

Dr. John studied Chemistry at the University of Tennessee Chattanooga, gaining his Bachelor of Arts in 2003. Upon graduation, he attended the University of Tennessee College of Dentistry and earned his DDS degree in 2007. Since he began practicing dentistry, Dr. John has attended many continuing education courses, ensuring that his patients receive the most comprehensive and advanced dental care possible. He is a member of the American Dental Association, Tennessee Dental Association, and the Second District Dental Society. Dr. John is from Cleveland, Tennessee and is married to his wife Elise. They have a son, Davis and daughter, Cate. He enjoys spending time with his family, the outdoors, and sports.




Brittany Thornhill, RDH

Hygienists have the dubious task of being thorough yet gentle, and Brittany masters that task effortlessly. Although Brittany recently joined our practice, she has quickly become a integral part of the team. She brings many years of dental experience, combined with a love of people and a passion for dentistry. These qualities make her a valuable asset to our team. She prides herself on fostering lasting relationships with patients, and she goes the extra mile to make sure every patient feels as comfortable as possible during their appointments with her. In her time away from the office, she enjoys being active with her husband and two children.




Danielle Wormsley, RDA

When you begin your treatment Dani will be by your side each step of the way. Whether it's answering questions or reassuring you, you can feel confident knowing you have an experienced assistant by your side. Dani has been in the dental field for many years and feels it is a perfect fit for her nurturing personality. In Dani's free time she enjoys spending time with her fiancé Nathan, son Tristan, and daughter Destiny. She has two dogs, Baxley and Bella. Whether traveling or playing around the house they make her heart smile!




Kelli Booker, RDA

When you first walk through the doorway at our practice, you'll most likely be greeted with Kelli's warm smile. She wears many hats for our practice so you may see her anywhere in the office, whether it be at the front desk or chairside assisting with the doctor. She really goes the extra mile for our patients to help coordinate treatment and answer questions about insurance benefits. She has been with the practice since June 2015. Kelli lives in Fountain City with her husband, Ben. They have a mini goldendoodle named Dudley. In Kelli's free time she enjoys snowboarding, spending time with her family, and being outdoors.