Seth A. Wasson, D.M.D. 2440 S Brentwood Blvd, Saint Louis, MO63144 Seth A. Wasson, D.M.D. provides general dentistry services to the St. Louis area. He is one of three doctors practicing…More at Brentwood Dental Group and is certified in Invisalign. Outside of Brentwood Dental, Dr. Wasson is active in providing volunteer dental services overseas, as well as being involved locally with the Give Kids A Smile program. For additional information, or to schedule an appointment with Dr. Wasson, please contact the listed number.