A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . correctionof open-bite malocclusion for patients beyond the age of adolescence. The follow-ing is from the published proceedings of that meeting: Fig. 230 shows the casts of a young man twenty-one years of age for whom theoperation for correction was commenced, May, 1910, and ended, as shown, May,1911. The mandible in this case was bent to the right carrying its left body andbuccal teeth far forward of their normal position, which in connection with theretruded upper, placed the
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . correctionof open-bite malocclusion for patients beyond the age of adolescence. The follow-ing is from the published proceedings of that meeting: Fig. 230 shows the casts of a young man twenty-one years of age for whom theoperation for correction was commenced, May, 1910, and ended, as shown, May,1911. The mandible in this case was bent to the right carrying its left body andbuccal teeth far forward of their normal position, which in connection with theretruded upper, placed the lower left buccal teeth, in a closure of the jaws, fully CHAPTER XLV. DIVISION 4- CLASS III 323 the width of two premolars in mesial malrelation to the uppers; while on the rightside, the disto-mesial malrelation was hardly the width of a single premolar. Theearly loss of the first lower molar on the right side, however, had permitted thesecond and third molars to drift forward and thus diminish to that extent the orig-inal occlusal malrelations of these teeth. On the upper left side, the loss of the Fig. crown of the first molar allowed the third molar to close into this space, and thusdecrease to that extent the original open-bite. The treatment consisted first in the extraction of the first left lower molar,the latter being chosen in this case because it contained a large amalgam filling, andprobably a devitalized pulp. This was followed with a bodily retruding movementof the lower premolar and labial teeth, more upon the left side than on the right,and with the usual care, with special apparatus, to close the buccal spaces bya bodily disto-mesial movement. Nothing is so conducive to irritation as in- 324 PART VI. DENTO-FACIAL MALOCCLUSIONS verted V-shaped spaces between buccal teeth, following the extraction of molarsor premolars, or attempts at extensive regulation with single molar anchoragespermitting inclination movement, and destruction of perfect masticating oc
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