Most dentists are familiar with the words "CoDiscovery" and "CoDiagnosis," yet few are familiar with the origin of the words and their true intended purpose. CoDiscovery and CoDiagnosis are key steps in a three-stage participative patient development process Bob Barkley called "Three Phase Adult Education." The purpose of Three Phase Adult Education is to take a person who is generally unaware of the extent and complexity of their situation, strategically...