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L S. Buchanan, DDS (he/him/his)

Owner, Endodontist
Dental Education Laboratories
santa barbara, California

Dr. Buchanan graduated first in his dental school class from The University of the Pacific in 1978. He received his specialty certificate from the Temple University Post-Graduate Endodontic Program in 1980. In 1986, he became a Diplomate of the American Board of Endodontics.

Dr. Buchanan has practiced endodontics since 1980. In 1989, Dr. Buchanan was the first to reconstruct micro-CT scans of endodontic anatomy. He invented the Continuous Wave of Obturation technique in 1990, the first variably-tapered shaping technique in 1991, the first rotary negotiation technique in 2016, and the closed system negative pressure irrigation and filling technique in 2019. His instrument and device designs include: System-B; EOU; Elements Free obturation heat sources; Buchanan Heat and Hand Pluggers; GT, GTX, and Traverse Rotary Negotiation Files; Buc ultrasonic tips; LAX guided access burs; TrueTooth and TrueJaw 3D-printed procedural training replicas; and most recently, the PulpSucker multi-canular negative pressure irrigation device.

For over 30 years, Dr. Buchanan has shared his clinical competency by teaching procedural endodontics at worldwide events and at DEL, a teaching institute in Santa Barbara, California founded by Dr. Buchanan.

Disclosure(s): DEL: Employment (Ongoing), Honorarium (Ongoing), Ownership Interest (stocks, stock options, patent or other intellectual property or other ownership interest excluding diversified mutual funds) (Ongoing), Speaker/Honoraria (includes speakers bureau, symposia, and expert witness) (Ongoing)

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