Andrews, Lawrence and Will: “The 6 elements of Orofacial ...

Orthodontics needs a reference where to place the upper incisor teeth for best facial harmony. The occlusal plane and FA points for bracket positioning for the 6 keys are universal. Crowns are then inclined so they function gnathologically. Element 1 conclusion: The staff forms the archforms to the WALA ridge, which is wider than FA point. ................
................