Author: D Scott Trettenero

D Scott Trettenero is a practicing solo dentist who did his undergrad work at the University of Missouri and received his dental degree from UMKC. His participation in a university research project in the field of service quality and his interest in human temperaments formed the basis for his first book, “Unlocking the T-Code.”  He has written and published articles in major dental journals and received a patent for an invention in 2002. His recent book, “Master the Mystery of Human Nature: Resolving the Conflict of Opposing Values” (, helps readers learn about themselves, others and how the world works because of our differences.