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KMID : 0358920060330010091
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Journal of the Korean Academy of Pedodontics
2006 Volume.33 No. 1 p.91 ~ p.98
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DIAGNOSIS AND EXTRACTION OF IMPACTED SUPERNUMERARY TEETH IN THE MAXILLA WITH 3D DENTAL-CT
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Kim Su-Kyoung
Kim Jae-Gon
Baik Byeong-Ju
Yang Yeon-Mi
Kim Sung-Hee
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Abstract
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Supernumerary teeth are teeth which result from the continued budding of the enamel organ of the preceding tooth or from excessive proliferation of cells. They are most often found in the maxillary anterior region. And they can be responsible for a variey of irregularities in the primary and transitional dentition.
There are two morphological types of supernumerary teeth: supplemental and rudimentary. Supplemental teeth have normal shape and size. In contrast, rudimental teeth have abnormal shape and smaller size. Supplemental supernumerary teeth are most common in permanent lateral incisor area. Its extration must be decided more carefully with differential diagnosis between normal teeth, because it has nomal shape and size.
We reports 3 cases of the normal incisor shaped teeth in the maxillary anterior region.
In all cases, we used the 3D Dental-CT as well as the conventionl plain film such as periapical, occlusal, and panoramic ridiograph. Consequently, 3D Dental-CT was valualble to figure out the exact position and morphology of supernumerary teeth, to do more conservative surgery, and to reduce surgery stress and time.
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KEYWORD
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Supernumerary teeth, 3 dimensional dental computed tomography, Supplemental teeth
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