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01-11-2015 | Original Article

Quantitative skeletal maturation estimation using cone-beam computed tomography-generated cervical vertebral images: a pilot study in 5- to 18-year-old Japanese children

Authors: Bo-Ram Byun, Yong-Il Kim, Tetsutaro Yamaguchi, Koutaro Maki, Ching-Chang Ko, Dea-Seok Hwang, Soo-Byung Park, Woo-Sung Son

Published in: Clinical Oral Investigations | Issue 8/2015

Abstract

Objectives

The purpose of this study was to establish multivariable regression models for the estimation of skeletal maturation status in Japanese boys and girls using the cone-beam computed tomography (CBCT)-based cervical vertebral maturation (CVM) assessment method and hand-wrist radiography.

Materials and methods

The analyzed sample consisted of hand-wrist radiographs and CBCT images from 47 boys and 57 girls. To quantitatively evaluate the correlation between the skeletal maturation status and measurement ratios, a CBCT-based CVM assessment method was applied to the second, third, and fourth cervical vertebrae. Pearson's correlation coefficient analysis and multivariable regression analysis were used to determine the ratios for each of the cervical vertebrae (p < 0.05).

Results

Four characteristic parameters ((OH₂ + PH₂)/W₂, (OH₂ + AH₂)/W₂, D₂, AH₃/W₃), as independent variables, were used to build the multivariable regression models: for the Japanese boys, the skeletal maturation status according to the CBCT-based quantitative cervical vertebral maturation (QCVM) assessment was 5.90 + 99.11 × AH₃/W₃ − 14.88 × (OH₂ + AH₂)/W₂ + 13.24 × D₂; for the Japanese girls, it was 41.39 + 59.52 × AH₃/W₃ − 15.88 × (OH₂ + PH₂)/W₂ + 10.93 × D₂.

Conclusions

The CBCT-generated CVM images proved very useful to the definition of the cervical vertebral body and the odontoid process. The newly developed CBCT-based QCVM assessment method showed a high correlation between the derived ratios from the second cervical vertebral body and odontoid process.

Clinical relevance

There are high correlations between the skeletal maturation status and the ratios of the second cervical vertebra based on the remnant of dentocentral synchondrosis.

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Title: Quantitative skeletal maturation estimation using cone-beam computed tomography-generated cervical vertebral images: a pilot study in 5- to 18-year-old Japanese children
Authors: Bo-Ram Byun
Yong-Il Kim
Tetsutaro Yamaguchi
Koutaro Maki
Ching-Chang Ko
Dea-Seok Hwang
Soo-Byung Park
Woo-Sung Son
Publication date: 01-11-2015
Publisher: Springer Berlin Heidelberg
Published in: Clinical Oral Investigations / Issue 8/2015
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-015-1415-6

At a glance: The STEP trials

Springer Medicine

Quantitative skeletal maturation estimation using cone-beam computed tomography-generated cervical vertebral images: a pilot study in 5- to 18-year-old Japanese children

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

At a glance: The STEP trials

Springer Medicine

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

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