| S T A G E 5
L A S T E X C H A N G E |
| Birth to the complete primary dentition |
| First intertransitional period |
| First transitional period |
| Second intertransitional period |
| 10-12
yrs. |
| Second
transitional period |
| Adult dentition |
| R I C H A R D Y O O N |
| 35 |