Jan Marcotte, RDH Jan started her medical studies at Northwestern University School of Nursing. She graduated from Southern Illinois University School of Dental Hygiene. She has practiced in Panama, Minnesota, Pennsylvania and Illinois. Jan completes more than 15 hours of continuing education every year. Her hobbies include tennis, golf, skiing, bridge and traveling with her husband and 3 sons.

Barbara A. Gbur, RDH, Biography Barbara graduated from Prairie State College with an A.A.S. degree in Dental Hygiene and also completed an advanced 7 hour course in Periodontics at the University of Illinois in 1985. Working with Dr. Mazzotti has been challenging and exciting with the many advances that have occurred in dentistry during that time. Barbara attends from 15 to 20 hours of continuing education yearly which keeps her skills current and enables her to give the best possible treatment to her patients. She has resided in Homewood with her husband and sons.

Deanna Tiberi, Office Manager Deanna has been with our office since 1991. She has attended many hours of continuing education classes in order to help our patients with their insurance and dental questions. Deanna is a native of the Homewood area. Her time away from the office is spent with her three children.