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[Measurement on bone density of children's mandible by quantitative computed tomography]
Zhen-ya Li1, Gang Huang, Jun Wang
1Dept. of Stomatology, The People's Hospital of Gansu Province, Lanzhou 730000, China.
Objective:
To explore the change of bone density of children's mandible measured by quantitative computed tomography (QCT).
Methods:
71 children aged between 10-16 years were measured by QCT in left mandible angle, middle of mandible and right mandible angle. The differences were analyzed according to the age and sex respectively.
Results:
The density of mandible of left mandible angle, middle of mandible, right mandible angle were 44.29, 89.70, 54.31 mg/dL in the 10-12 ages group, and 63.85, 122.47, 70.23 mg/dL in the 13-16 ages group.
Conclusion:
Male youngster's mandible density was increased with the age between 10-12 and 13-16 ages. There were significant differences between left mandible angle, middle of mandible and right mandible angle. There were significant differences of mandible density between male and female.
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