Abstract: The invention relates to a dental arch overlay for previsualizing the results of a proposed course of dental treatment in a patient. The dental arch overlay includes a graphic layer with a color image of teeth that graphically simulates the results of a proposed course of dental treatment, an adhesive layer, and a backing layer. The invention also relates to a method of previsualizing the results of a proposed course of dental treatment in a patient.

Abstract: A face bow assembly including a face bow having a bite fork portion to carry an index trays to be positioned in a patient's mouth. The bow has outwardly extending wings to enable a dentist to support the bow. A vertical indicator rod mounted to the bow helps align the tray horizontally and the indicator rod vertically to the patient's mid-sagittal, while bite impression material on the tray hardens. The upper index tray is then mounted on a platform on a dental articulator. The platform has an incisal line for alignment with an incisal line(s) for adjustability on the upper index tray. The platform also has vertical or horizontal adjustability with a built-in scale.