A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . of the facial outlines and normal pose of thechin, though no appliance was placed on the lower teeth, except to act as an auxiliaryto the upper for the attachment of the intermaxillary force. To show the remark-able simplicity in the working possibilities of the regular bodily movement appli- CHAPTER XL. DIAGNOSIS, CAUSES, AND TREATMENT. CLASS III. 293 ances, and the ease and non-irritability of subsequent treatments, the author wishesto state that this case was never seen by hi
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . of the facial outlines and normal pose of thechin, though no appliance was placed on the lower teeth, except to act as an auxiliaryto the upper for the attachment of the intermaxillary force. To show the remark-able simplicity in the working possibilities of the regular bodily movement appli- CHAPTER XL. DIAGNOSIS, CAUSES, AND TREATMENT. CLASS III. 293 ances, and the ease and non-irritability of subsequent treatments, the author wishesto state that this case was never seen by him, except at the time required in pre-paring and stabiHzing the appHances, until the patient came for the work of adjustment treatments—which consisted in the simple turning of thenuts at regular periods and intermaxillary adjustments—were wholly performedby the young man himself while pursuing his college course. Even in those cases in which the mandible is really prognathic in connectionwith retruded uppers, if the lower lip is retruded in relation to the chin—showing Fig. 206. ?JT^aFTT^. that the lower denture is not also protruded with the mandible—the proper bodilycorrection of the upper, which places the upper and lower front teeth and the lipsin harmony, will invariably result in such an improvement to the facial outlinesthat the former displeasing prognathism of the mandible is lost sight of, and attimes it is changed to the beautifying effect of a Gibson chin. This principle is perfectly illustrated in Fig. 205, which was made from thefacial and dental casts of a miss about eighteen years of age. In connection withthe inherited prognathism of the mandible, the upper laterals were missing throughextinction of the tooth germs, which no doubt was the main cause of the moreextensive upper retrusion. The main object in the correction of this case, as inthat of many others of a similar character whose pronounced facial imperfectionsmust inevitably mar t
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