Episode 680 · June 26, 2025
The Nuts and Bolts of Root Resorption and How to Treat It
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Featured Guest

Dr. Phil Klein
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Dr. Philip Klein has over 40 years of experience in the dental profession including private practice, education and industry. Dr. Klein attended the University of Pennsylvania College of Engineering and Applied Science, where he earned a Bachelor of Applied Science degree. He then went on to earn his DMD degree from Penn Dental, spent a year internship at Graduate Hospital and then earned his Post-Doctorate specialty degree in Endodontics from Penn Dental in 1985. Dr. Klein was in private practice as an Endodontic specialist for fourteen years in Philadelphia, Pennsylvania.
In 1994 Dr. Klein founded and served as President and CEO of Dental Logics Inc., a research and development company specializing in endodontic and restorative products. At Dental Logics Dr. Klein patented and developed a new post system and composite material designed to repair compromised teeth. Both products were subsequently sold to an international dental company, Premier Dental Products Company. Dr. Klein currently holds three dental patents, including the IntegraPost System.
In 1999 Dr. Klein founded and served as CEO of Learn HealthSci Inc., a San Diego-based company specializing in live and on-demand streaming media using Flash Media Server and Real Player. Through the technology he developed, he was one of the earliest companies to broadcast live learning via the Internet which paved the way for Viva Learning, LLC, now the largest dental CE entity in the world.
In 2006, Dr. Klein founded Viva Learning LLC, a global e-learning company based in Austin Texas where he currently serves as Chairman of the Board. He is actively involved in new product development and technology innovation and hosts The Phil Klein Dental Podcast Show which draws more than 30,000 listens per month. With a user base of over 460,000 dental professionals, Viva Learning LLC has taken a global leadership position in Internet-based continuing education for the dental profession.
Episode Summary
What’s interesting about root resorption is that it utilizes our own soft tissue cells to work against us, initiates its attack against the tooth from the inside out and from the outside in. In this podcast, presented by Endodontist Dr. Phil Klein, we’ll learn about this insidious process and hopefully we’ll get a better understanding of the fundamentals behind the different types of root resorption. By doing so, we as clinicians, can sharpen our diagnostic skills and optimally manage these conditions on a case by case basis.
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