The four dimensions of orthodontic diagnosis--part 1

This article discusses the three usual dimensions of diagnosis - transverse, vertical, and the anterior-posterior position of the maxilla and mandible and the important fourth dimension - condylar position. Also discussed is how the proper diagnosis and treatment of these dimensions lead to: The Seven Keys to Facial Beauty and TMJ Health. An accurate diagnosis of crowding cannot be made from a panorex or study models alone - the panorex can be very misleading. Also, an accurate diagnosis of the transverse width of the maxilla and mandible cannot be made from a lateral cephalogram, a panorex, or study models - how they can also be very misleading. A method of facial diagnosis based on facial esthetics and the patient's smile that more accurately evaluates arch width problems and the need for arch expansion. An early orthopedic phase of treatment in certain types of cases can head off a major crowding problem and/or impacted cuspids. It is important to develop the maxilla to its proper size and arch form to allow for complete mandibular development and positioning. Three patient examples are shown using these methods and the results achieved.