With the advent of improved orthodontic and surgical techniques, emphasis has shifted more toward the upper incisors as a starting point. Today, it is possible to base treatment planning on the position of the upper incisors, instead of using the molars or the lower incisors as a starting point. At the start of treatment planning, it is possible to envision an 'ideal' position for the upper incisors. For many cases, treatment mechanics can then be planned to position the incisors ideally, and subsequently to fit all the other teeth around this ideal position. In other cases, the 'ideal' incisor position will not be a realistic goal, and a less than ideal, but nonetheless acceptable, position for the incisors needs to be used as a basis for treatment planning.
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