| S T A G E 6 |
| Birth to the complete primary dentition |
| First intertransitional period |
| First transitional period |
| Second intertransitional period |
| Second transitional period |
| 12-20
yrs. |
| Adult
dentition |
|
|
|
| Esthetic |
||
 |
||
|
|
|
| Stable |
||
|
||
| R I C H A R D Y O O N |
| 39 |