. The science and practice of dental surgery. elation-ship of the dental arches toone another. Treatment basedon malocclusion only may resultin pronounced prominence ofthe teeth or the reverse (usuallythe former), and the appear-ance of the patient be lesspleasing than if the case hadlieen left alone altogether. This([uestion \vill be considered inmore detail in connection withthe different varieties of antero-posterior malocclusion; but ineach variety the same kind ofproblem often presents itself,namely, ^^•hether to restorenormal occlusion without refer-ence to otlier considerations,or wheth
. The science and practice of dental surgery. elation-ship of the dental arches toone another. Treatment basedon malocclusion only may resultin pronounced prominence ofthe teeth or the reverse (usuallythe former), and the appear-ance of the patient be lesspleasing than if the case hadlieen left alone altogether. This([uestion \vill be considered inmore detail in connection withthe different varieties of antero-posterior malocclusion; but ineach variety the same kind ofproblem often presents itself,namely, ^^•hether to restorenormal occlusion without refer-ence to otlier considerations,or whether to sacrifice normal Fig. 194.—Close bite with normal occlusion, apparently due to deficient occlusion in favour of facial vertical growth (see Figs. 90, 91). Right-ha,nd figiire shows bite raised ijarmony and an occlusion that, in course of treatment successiuUy accomplished by Case. JNote the ., u t- ^ ( effect on the facial contours. {C. S. CA>iE : Dental Orthopedia.) tllOUgU not normal, _LS irom a practical point of view suinci-. correct alignment and occlusion, but in whiclithe degree of closure is excessive, so that theappearance of the cheeks and lips has someresemblance to that of an edentulous excellent example of this is de-scribed and figured by Case (43, p. 322;see Fig. 194). Treatment should beon similar lines, the bite being tem-porarily raised on the first permanentmolars, and the other teeth beingslowly extruded by means of inter-maxillary force, after which the molarsshould be raised by the same means. 2.—ANTERO-POSTERIOR Li the cases now to be consideredeither arch may be in abnormalrelationship with the other, that isto say, the upper may be too farback or forward m relation to thelo^^•er, or the lower may be too farback or forward in relation to theupper. Furthermore, either arch,whether in normal relationship with the otheror not, may be too far forward or back inrelation to the facial contour—the upper orlower lip may be pushed fo
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19