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KMID : 0358920040310040630
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Journal of the Korean Academy of Pedodontics
2004 Volume.31 No. 4 p.630 ~ p.635
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THE TREATMENT OF SEVERELY ROTATED MAXILLATY INCISORS BY MESIODENS
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Lee Bum-Eui
Jang Ki-Taeg
Kim Young-Jae
Kim Jung-Wook
Lee Sang-Hoon
Hahn Se-Hyun
Kim Chong-Chul
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Abstract
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The etiology of mesiodens is unknown but the most widely accepted theory is the hyperactivity of the dental lamina. Complications of mesiodens are delayed or prevented eruption of maxillary central incisors, displacement or rotation of permanent teeth, crowding of affected region, abnormal diastema or permanent space closure, dilaceration or abnormal root development of permanent teeth, primordial or follicular cyst formation, root resorption of adjacent teeth, eruption into nasal cavity. If mesiodens rotate the maxillary central incisors, space deficiency is not common and relapse is very common. So overcorrection is needed. To prevert the rotational relapse, early treatment, overcorrection, long retention period, properly formed proximal surface, use of coupled force, and surgical techniques have been suggested.
The authors present two cases, whose chief complain were severely rotated maxillary incisors by mesiodens, treated by orthodontic and surgical technique and showed good results.
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KEYWORD
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Mesiodens, Rotation, Circumferential supracrestal fiberotomy
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