Click here if you have low speed internet connection (Dial Up) Click here if you have high speed internet connection (Flash Version) Welcome to the website of Dr. Janice E. Spada. Janice E. Spada, D.M.D. is a dentist in Sudbury, MA who performs all aspects of Cosmetic Dentistry. As an A.A.C.D. sustaining member, some of the services provided are tooth colored fillings, whitening/bleaching, veneers and implants.