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KMID : 0358920090360030464
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Journal of the Korean Academy of Pedodontics
2009 Volume.36 No. 3 p.464 ~ p.474
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MAXILLARY MOLAR DISTALIZATION WITH THE BONE-SUPPORTED PENDULUM
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Jang Yong-Gul
Park Ho-Won
Lee Ju-Hyun
Seo Hyun-Woo
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Abstract
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To distalize the maxillary molars, the traditional techniques such as extra-oral traction, Wilson distalizing arches, removable spring appliances and Schwarz plate-type appliances have been used. But, these need considerable patient cooperation. For minimal patient compliance, many practitioners use the pendulum appliances. Several clinical studies demonstrated pendulum is effective molar distalization appliance in the growing patient(using the premolars and the palate as anchorage). But unfortunately, maxillary anterior teeth also shift mesially as the molar moves distally. As a result anchorage loss is occurred. To overcome these disadvantages, we used bone-supported pendulum, combined the conventional pendulum with Skeletal Anchorage System(SAS). The miniscrew was implanted in the anterior paramedian region of the median palatal suture, which has comparatively sufficient bone thickness and is low risk to damage on the dental follicles. We report three cases, using bone-supported pendulum for the maxillary molar distalization in children. After treatment, we find out anchorage stability, minimal unfavorable anterior tooth movement and sufficient molar distalization.
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KEYWORD
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Molar distalization, Pendulum, Anchorage, Miniscrew, Skeletal Anchorage System(SAS)
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