JCO Journal of Clinical Orthodontics
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CASE REPORT Simultaneous Phase I Expansion and Ectopic Molar Correction with a Hyrax-Halterman Appliance

VOLUME 51 : NUMBER 05 : PAGES (295-300) 2017


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Correction of ectopic molars is further complicated by transverse arch constriction. In such a case, a coil spring on a segmental archwire from the second deciduous molar to the first molar can be used to distalize the molar, followed by the use of a traditional expander. Bonding a tube to an ectopic molar may be difficult or impossible, however, and the crossbite can interfere with distal movement of the first molars. Another option would be to extract the se...

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