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KMID : 0358920040310040698
Journal of the Korean Academy of Pedodontics
2004 Volume.31 No. 4 p.698 ~ p.604
ERUPTION GUIDANCE OF IMPACTED MANDIBULAR FIRST MOLAR BY SURGICAL EXPOSURE
Kim Eun-Jung

Kim Nan-Jin
Jo Ho-Jin
Kim Hyun-Jung
Kim Young-Jin
Nam Soon-Hyeun
Abstract
Impaction of mandibular first molar is relatively rare and its overall frequency has been reported to be 0.01%. The etiology of impaction are lack of eruption space, physical obstacles such as supernumerary teeth, odontomas or odontogenic tumors, hereditary factors, functional disturbances of endocrine glands and traumas. Impaction of mandibular first molar can result in a short lower facial height, formation of a follicular cyst, pericoronal inflammation, resorption of the roots of neighboring teeth and malocclusion. The treatment options available for impacted teeth include surgical exposure, orthodontic forced eruption, surgical repositioning and surgical removal of unerupted molar.

This report presents two cases of distally tilted and impacted mandibular first molars which were treated by surgical exposure. In these cases, we could observe spontaneous eruption of the impacted mandibular first molars after surgical exposure.
KEYWORD
Surgical exposure, Mandibular first molar, Impaction, Spontaneous eruption
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