A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . The one case in this group which exhibited a marked irregularity from a normalocclusion, is shown in Fig. 160. It will be seen by carefully examining the firstfacial cast, that the upper lip is but slightly protruded, which is explained by a Fig. glance at the overlapping malpositions of the upper front teeth, contracting thearch. If the front teeth had been placed in arch alignment with a preservation ofall the teeth—the buccal teeth being already in normal occlusion—the
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . The one case in this group which exhibited a marked irregularity from a normalocclusion, is shown in Fig. 160. It will be seen by carefully examining the firstfacial cast, that the upper lip is but slightly protruded, which is explained by a Fig. glance at the overlapping malpositions of the upper front teeth, contracting thearch. If the front teeth had been placed in arch alignment with a preservation ofall the teeth—the buccal teeth being already in normal occlusion—the result CHAPTER XXIX. DIVISION 2. CLASS I. 237 could not have been other than a further protrusion of the already protrudinglips, with an increase of the receding chin effect. Upon examining the finished facesas they appeared after treatment—one of which is reproduced from a photograph—it appears as if there had been a forward growth of the mandible, because of thegreater prominence of the chin and the almost perfect dento-facial outlines, butthis is wholly due to the retrusive movement of the labial teeth and the harmonizingeffect upon the facial outlines, made possible by the extraction of the four firstpremolars. Soon after the operation was completed, the young man graduatedfrom Princeton, and because of his phenomenal academic ability and brillian
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