Endo Voices

Separated instrument retrieval remains one of endodontics’ most technically demanding—and humbling—procedures. In this episode of Endo Voices, Dr. Marcus Johnson joins internationally recognized clinician, researcher, and educator Dr. Yoshi Terauchi for a highly technical yet practical exploration of the science and strategy behind predictable instrument retrieval. From cyclic and torsional fatigue to canal c...

At AAE26 in Salt Lake City, Dr. Marcus Johnson sits down with former AAE President Dr. Terryl Propper for a candid conversation on leadership, mentorship, and the evolution of endodontics. From becoming the first female president of the Tennessee Dental Association to co-founding Endodontic Practice Partners, Dr. Propper reflects on the experiences that shaped her career and the lessons learned through decades of service, advocacy,...

In this episode of Endo Voices, Dr. Marcus Johnson sits down with outgoing AAE President Dr. Steven Katz for an honest and reflective conversation about leadership, mentorship, and the future of endodontics. From his early days on the Public and Professional Relations Committee to leading one of the most visible years in AAE history, Dr. Katz shares the experiences that shaped his presidency, including the organization’s...

In this episode, we sit down with Dr. Mustafa Gündoğar, researcher, educator, and globally recognized voice in endodontics, to explore the evolving science behind how we truly clean root canal systems. From his journey into endodontics driven by microbiology and patient care, to his extensive research on irrigation activation systems, Dr. Gündoğar challenges long-held assumptions and reframes the conversation: are we shaping to cle...

In this episode of Endo Voices, host Dr. Marcus D. Johnson sits down with renowned endodontist and educator Dr. Samuel Kratchman for a dynamic conversation on the evolving landscape of endodontic microsurgery and the relentless pursuit of saving natural teeth. Drawing on decades of clinical experience, Dr. Kratchman reflects on his journey in endodontics—from early mentorship and academic leadership at the University of ...

In this episode of Endo Voices, Dr. Marcus D. Johnson sits down with Dr. Pierre Wohlgemuth for a thoughtful and collegial examination of two defining challenges in contemporary endodontics: the elusive cemental tear and the disciplined art of soft tissue management in surgical care.

Cemental tears—seldom discussed yet likely underdiagnosed—often masquerade as endodontic or periodontal pathology. With a limited but g...

In this episode of Endo Voices, host Dr. Marcus D. Johnson sits down with renowned educator and past American Board of Endodontics (ABE) President Dr. Brad Johnson, recipient of the prestigious I.B. Bender Educator Award, to reflect on a career defined by service, innovation, and mentorship. Dr. Johnson shares his unexpected journey from general dentistry to endodontics—and ultimately into academia—highlighting the...

In this episode of Endo Voices, host Dr. Marcus Johnson sits down with New York Times bestselling author and leadership coach Ryan Leak, keynote speaker at the American Association of Endodontists AAE 2025 Annual Meeting in Boston, for a candid and thought-provoking conversation on leadership, self-awareness, and personal growth. Ryan challenges listeners to ask one transformative question: What is it like to be on the ot...

In this forward-looking episode of Endo Voices, host Dr. Marcus Johnson sits down with Dr. Federico Martinho of the University of Maryland to explore the rapidly evolving landscape of endodontic technology. From dynamic navigation and CBCT-driven precision to the expanding role of artificial intelligence, Dr. Martinho breaks down how these advancements are reshaping accuracy, efficiency, education, and ultimately patient outco...

In this unforgettable episode of Endo Voices, host Dr. Marcus D. Johnson welcomes a true titan of endodontics — the ever-charismatic Dr. Ben Johnson. With a gentleman’s grace and a raconteur’s wit, Dr. Johnson takes us on a journey through the innovations that changed the game: from founding Tulsa Dental to the birth of Thermafil and NiTi rotary files, he shares the stories behind the breakthroughs — some bo...

In this episode of Endo Voices, host Dr. Marcus Johnson sits down with Gary Salman, CEO and Co-Founder of Black Talon Security, to unpack the critical and often overlooked role of cybersecurity in dentistry.

From real-world case studies to practical tips, the discussion covers:

• Current threats including phishing attacks, firewall vulnerabilities, email account takeovers, social enginee...

In this episode of Endo Voices, host Dr. Marcus Johnson sits down with Drs. Luca Moranzoni and Jon Cowie to explore the evolution of endodontic education and clinical practice. Known on Instagram as Contemporary Endodontics, a brilliant and enchantingly entertaining duo who balance the conversation as effortlessly as a reciprocating file. The duo reflects on their decade-long journey of building an educational platform th...

In this trailblazing episode of Endo Voices, host Dr. Marcus Johnson explores the cutting edge of endodontics with a distinguished panel from the University of Minnesota School of Dentistry. Joining the conversation is Dr. Craig Noblett, Director of the Advanced Endodontics Program and President-Elect of the AAE, along with two exceptional voices from the next generation—Dr. Alex Dahlkemper and Dr. Luc de la Villefromoy,...

In this compelling episode of Endo Voices, Dr. Marcus Johnson engages in a rich and inspiring conversation with two influential leaders in endodontic education, Dr. Andre Mickel, Chair at Case Western Reserve University, and Dr. Sami Chogle, Chair at Boston University. With deep humility, Dr. Mickel reflects on his path to endodontics—shaped by a global upbringing and the quiet mentorship of Dr. Jefferson Jones...

In this thought-provoking Endo Voices episode, Dr. Marcus Johnson welcomes Drs. Bekir Karabucak and Yehuda Benjamin to explore the evolving landscape of endodontic education peering into the shifting dynamics of endodontic education. Together, they examine how residencies are adapting to include vital pulp therapy, regenerative techniques, and technology-driven training—all while emphasizing the enduring value of me...

In this insightful episode of Endo Voices, Dr. Allen Ali Nasseh explores the evolution and clinical applications of bioceramics in endodontics, highlighting how material innovation has simplified obturation and improved patient outcomes. He shares the origin story of bioceramics, including his role in developing the EndoSequence product line and shifting the focus from technique to chemistry through hydraulic condensation. Dr....

In this episode of Endo Voices, podcast host Dr. Marcus Johnson sits down to speak with endodontic legend, researcher, educator, philanthropist and inventor Dr. Mahmood Torabinejad, a true pioneer in the field of dentistry. The conversation dives into Dr. Torabinejad's remarkable journey, starting with his early years in Tehran and overcoming personal and academic challenges to become a leader in the field. Dr. Torabinejad dis...

In the latest episode of Endo Voices, Dr. Marcus Johnson engages in a deep conversation with Drs. Stefan Zweig and Craig Hirschberg, the two most recent Past Presidents of the American Association of Endodontists. The discussion provides an insightful look into their leadership experiences and how mentorship has been instrumental in shaping their professional journeys. They delve into the significance of succession p...

In this episode of Endo Voices, Dr. Marcus Johnson engages in a thought-provoking conversation with Dr. David Landwer, fellow of the American Academy of Oral and Maxillofacial pathology and endodontist, exploring the intricacies of diagnostic challenges within endodontics, with a particular emphasis on the pivotal role of Cone Beam Computed Tomography (CBCT) in differentiating between various lesion types. Dr. Landwehr undersc...