How can we change the Restorative Charting to default to the Treatment Plan Tab vs. Pre-Existing?

Administrators can modify the default Charting Tab for the account at:
-Setup > Account Info > [Advanced] > Edit 

DEFAULT SETTINGS Section

-Select  “Default Charting Tab” from the drop-box and Save.

Now when clicking on the main toolbar for the Restorative Chart, the Treatment Plan Charting
tab view will load.