Dr. David R. Sain, D.D.S., P.C. - Smile Team Orthodontics Share Tweet (615) 890-7246 1849 Memorial Boulevard, Murfreesboro, TN 37129, USA Dr. David R. Sain and The Smile Team have been providing outstanding orthodontic services in Middle Tennessee for over 30 years. ... Listed in: Dental and Orthodontics Health & Medical 600 people have viewed this listing. 4 people have visited Dr. David R. Sain, D.D.S., P.C. - Smile Team Orthodontics’s Website from this listing.