2011 to 2000 Registered Dental HygienistJoan Petracca, D.M.D Framingham, MA 1997 to 2007Donald Oasis, D.M.D Sudbury, MA 1994 to 1997Newton Dental Associates Newton, MA 1992 to 1994Dental Hygiene, Drs, Slone, Pappas and Johnson Framingham, MA 1990 to 1992 Registered Dental Hygienist