1. Dr. Henry M. Tanner Occlusal Appliances with a Posterior Guidance. Photos from his library! 1950’s through 2004

2. Cross arch balance

3. Display for observation

4. “THE” L. D. Pankey Institute 1974 Henry Tanner, Jim Zucarillo, L. D. Pankey, John Anderson, Loren Miller

5. Simple PGA

7. Initial Adjustment

8. Anterior interference

9. Smoothed out with Posterior guides

10. Another initial trial

11. Early Adjustment

12. More refined

14. Near finalization

15. In the mouth

16. Another splint, all balancing guides

17. So, what is a centrum? A central point of contact surrounded by a fully balanced area of function. Look at the white dot, not the ink!!!