Dr. John T. McSpadden, a proliferate inventor and researcher, introduced the first endodontic nickel-titanium files. He is an international lecturer and author. His book,Mastering Endodontic Instrumentation, is the mostcomprehensive and definitive evidence-based rotary instrumentation text available.

Awards include: Honorary Member: Societe Francaise Endodontie; International Louis I. Grossman Award

Current: Retired from dental practice but continues write and lecture internationally; Conducts extensive research on endodontic instruments and techniques; CEO Mc5 Micro-imaging, Co.