VIP members with TDSC.com save big on dental supplies. Reducing overhead is a goal of every dentist, no matter the practice’s size. One way to achieve savings is to shop at MDA-endorsed TDSC.com. At TDSC.com, MDA members receive VIP-level pricing, the lowest prices available on the site. Become a VIP member by visiting tdsc.com, creating an account and including your ADA number in your profile. Shipping is free with purchases over $99 and most in-stock orders are received the next day.