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KMID : 0358920070340010162
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Journal of the Korean Academy of Pedodontics
2007 Volume.34 No. 1 p.162 ~ p.168
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ARREST OF REET DEVELOPMENT AFTER SURGICAL REPOSITIONING OF THE INVERTED MAXILLARY CENTRAL INCISOR : CASE REPORT
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Song Je-Seon
Choi Byung-Jai
Choi Hyung-Jun
Kim Seong-Oh
Son Heung-Kyu
Lee Jae-Ho
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Abstract
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Impaction of the maxillary central incisor may cause social, esthetic, and functional problems in children. There are various means of treatment for the inverted maxillary central incisor, such as extraction, surgical opening followed by orthodontic traction, surgical repositioning or intra-alveolar autotransplantation prior to extraction.
In this case, we surgically repositioned the inverted maxillary central incisor to normal semi-erupted position in a 5-year-old boy. The developmental stage of the inverted tooth was Nolla’ s 6.5, which indicates formation of less than one third of the root. After surgical reposition, we did follow-up for 21 months, expecting spontaneous growth. Unfortunately, poor prognosis was noted : further root was not observed. Such failure seems to originate from possible injury on Hertwig’ s epithelial root sheath by surgical trauma.
We performed surgical repositioning to retain the tooth instead of extraction. However, arrest of root development occurred, which is one of the critical complications. In order to increase the success rate of the surgical reposition procedure, minimal surgical trauma is required as well as selection of adequate indication and decision of proper time of treatment considering the stage of root development
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KEYWORD
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Surgical repositioning, Tooth autotransplantation, Inverted impaction, Maxillary central incisor, Arrest of root development
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