Post-crown Preparations:
Understanding The Ferrule Effect
THREE THINGS TO REMEMBER! Posts do not strengthen roots – it’s a myth! They simply provide a support for a Core. A poorly designed or fitted post will cause premature failure of the root. |
Think of it like this: If you drilled a hole in some concrete, then cemented a crow-bar into it and leaned on the crowbar, would the crow-bar strengthen the concrete?
Does the crow-bar strengthen the concrete?
List 3 things that could happen if the crow-bar is pushed back and forwards: