As the new Editor-in-Chief, I am frequently asked about my vision for JCO moving forward. Perhaps the most notable change with regard to content will be an increase in case reports and technique artic...
Drs. Choi, Park, Halim, and Choi demonstrate how to use a heavy stainless steel overlay wire to achieve dental expansion or constriction in either arch. The overlay is either inserted into the molar headgear tubes or attached to the main archwire.
In an ongoing study by Drs. Glaser, Tai, Blevins, and Daher, the effectiveness of Invisalign’s MA protocol is evaluated as an alternative to removable functional appliances in growing Class II patients. Results include a significant reduction in overjet.
Using the case of a 12-year-old male with a skeletal Class II malocclusion, the authors measure the effects of MA aligners during the pubertal growth peak. Over 36 weeks, with trays changed weekly, the Precision Wings provide a gradual advancement of 2mm for every eight aligners.
Dr. Boanger shows how maxillary incisors can be intruded as a block with progressive step-up bends in a sectional wire, using indirect anchorage from buccal mini-implants. The intrusive force produces incisor proclination for arch lengthening, and a buccal root-torquing bend then provides axial control.
A maxillary first molar sometimes erupts with a mesial-in rotation. This simple cantilever spring is inserted in the molar tube from the distal to rotate a single molar mesial-out, using anchorage from the main archwire on the same side.
Click here to download a PDF of the printed questions from the journal for reference. CE tests must be taken online. See the link to continuing education on the menu bar at the top of the screen.
This 15-year-old Class II patient presented with complex medical problems including paralysis of the lower extremities and the need for a kidney transplant. She is successfully treated during a 23-month period using the MA protocol and Class II elastics.
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