Tim Donley, DDS
is a leading expert in the treatment of gum disease and dental implants who is a sought-after international speaker and teacher. He coauthored the first textbook used in dental schools throughout the world on modern ultrasonic treatment for gum disease. He is in private practice in Bowling Green, Kentucky.

Gregg A. Helvey, DDS, MAGD, CDT
is an adjunct associate professor at the Virginia Commonwealth University School of Dentistry. He also teaches cosmetic dentistry in the AEGD residency program and maintains a private practice in Middleburg, Virginia. He is the Restorative Section Editor and a member of the Editorial Advisory Board for Inside Dentistry.

Betsy Reynolds, RDH, MS
is a dental hygienist and oral biologist. She presents dental and dental hygiene continuing education programs on a variety of topics involving the biologic basis for oral and systemic disease prevention, immunologic aspects of oral disease, and scientific developments affecting oral health care delivery.