Accuracy of Tooth Development Stage, Tooth Size and Dental Arch width in Multi-Detector Row Computed Tomography of Human Skulls

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概要

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• In pediatric dentistry, examination of the development of crown or tooth root is essential to determine the physiological development age. Measurements of the tooth size and dental arch width are also required to predict normal occlusion and oral function, and to plan appropriate dental treatment. Some dental anomalies are keys to identify congenital malformation syndromes. In patients with behavioral disorders, it is quite difficult to take diagnostic dental models and pantomographs, since patient co-operation and stability in body movement for a few minutes is necessary while taking the dental impression and pantomographs. For patients with severe mental retardation and behavioral disorders, performing computed tomography under general anesthesia or deep sedation is easier than taking pantomographs while awake. The aim of the present study was to compare the tooth development stage on pantomographs and mesiodistal diameter measurements of tooth size and dental arch width of dry human skulls with the images of those on 128 multi-detector row computed tomography (MDCT). Based on the results, the measurements of tooth development stage, tooth size and dental arch width on MDCT images were clinically precise.

著者

• Yamauchi Takahiro

  Department Of Hematology And Oncology University Of Fukui

• Ohashi Hirofumi

  Division Of Medical Genetics Saitama Children's Medical Center

• MAEDA Takahide

  Nihon University Dentistry at Matsudo Pedodontics

• Matsune Kensuke

  Department Of Pediatric Dentistry Nihon University School Of Dentistry At Matsudo

• Takahashi Yasuo

  Division Of Genetic And Genomic Medicine Advanced Medical Research Center Nihon University School Of

• Hirai Norimitsu

  Nihon University Graduate School of Dentistry at Matsudo, Pediatric Dentistry

• Kobayashi Ryosuke

  Nihon University Graduate School of Dentistry at Matsudo, Pediatric Dentistry

• Yabe Hitoshi

  Divisions of Radiology, Saitama Children's Medical Center

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