Dr. Randolph Cross : Dentistry Uncensored w/ Howard Farran #1713

Dentistry Uncensored with Howard Farran · Jul 13, 2026 · 1h 16m

In this episode, Howard Farran sits down with Dr. Randolph Cross, a private practice endodontist in Watsonville, California, and the inventor of the EndoCator — a first-of-its-kind chairside ATP test that tells clinicians, in five seconds, whether a root canal is truly clean before they close it. Dr. Cross traces the idea back to a finals-week breakdown during his residency at USC, when he realized the profession had no reliable, real-time way to confirm disinfection. Drawing on his biochemistry background, he bought a cheap ATP tester off eBay, tried it on extracted teeth, and watched the…