"many dentists maKe a seRious mistaKe oF assuming the uppeR and loWeR 4’s should alWays Be extRacted. the geneRal pRinciple is to extRact teeth that aRe closest to the chieF pRoBlem oF the case. taKe out the FouR Bicuspids that oFFeR the Biggest oRthodontic advantage." Fig. 4 Fig. 6 Fig. 7 Fig. 5 Fig. 8 posteriorly in the patient’s mouth. This would be the upper and lower 5’s. Extracting teeth more posteriorly does not close the bite but it does prevent the bite from opening up further. (Figs. 5-8) Notes: a) In the before/after cephs, the FMA does not change but the anterior open bite does close. b) In this case, we are compromising some smile width to gain the benefits extraction of teeth provide to assist closing the open bite. c) Open bite always means there is an anterior tongue thrust. Retraction of the anterior teeth www.orthodontics.com Summer 2018 25
Journal of the American Orthodontic Society Summer 2018/Buyer's Guide: Page 25
