Detection and imaging characteristics of the gubernacular tract in children on cone beam and multidetector computed tomography

Purpose To elucidate the appearance and imaging characteristics of the gubernacular tract (GT) during the growth stage of children. Furthermore, this study evaluated the significance of the appearance of the GT. Study Design The visualizations of the GT were retrospectively analyzed by using panoram...

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Published in:Oral surgery, oral medicine, oral pathology and oral radiology oral medicine, oral pathology and oral radiology, 2015-08, Vol.120 (2), p.e109-e117
Main Authors: Nishida, Ikuko, DDS, PhD, Oda, Masafumi, DDS, PhD, Tanaka, Tatsurou, DDS, PhD, Kito, Shinji, DDS, PhD, Seta, Yuji, DDS, PhD, Yada, Naomi, DDS, PhD, Fujita, Yuko, DDS, PhD, Saeki, Katsura, DDS, PhD, Morikawa, Kazumasa, DDS, PhD, Matsumoto-Takeda, Shinobu, DDS, PhD, Wakasugi-Sato, Nao, DDS, PhD, Habu, Manabu, DDS, PhD, Kodama, Masaaki, DDS, PhD, Miyamoto, Ikuya, DDS, PhD, Kokuryo, Shinya, DDS, PhD, Nishimura, Shun, DDS, Matsuo, Kou, DDS, PhD, Tominaga, Kazuhiro, DDS, PhD, Yoshioka, Izumi, DDS, PhD, Maki, Kenshi, DDS, PhD, Morimoto, Yasuhiro, DDS, PhD
Format: Article
Language:English
Subjects:
Alveolar Process - diagnostic imaging
Child
Child, Preschool
Cone-Beam Computed Tomography
Dentistry
Female
Humans
Male
Multidetector Computed Tomography
Radiography, Panoramic
Retrospective Studies
Surgery
Tooth Eruption
Tooth Germ - diagnostic imaging
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Summary:Purpose To elucidate the appearance and imaging characteristics of the gubernacular tract (GT) during the growth stage of children. Furthermore, this study evaluated the significance of the appearance of the GT. Study Design The visualizations of the GT were retrospectively analyzed by using panoramic radiographs and computed tomography (CT) in children. Results In patients with normal eruption who had unerupted permanent teeth, except maxillary central supernumerary teeth, the GT was clearly visualized as a well-defined low-density tract on CT but not on panoramic radiographs. In patients with obstructive eruption, including impaction, the GT was deformed and not visible on CT. Conclusions This paper describes the frequency of detection and appearance of the GT in unerupted teeth. Preliminary data suggest that any alteration to the GT may be used to predict abnormal eruption of permanent teeth.
ISSN:2212-4403
2212-4411
DOI:10.1016/j.oooo.2015.05.001