A comparison of hand wrist bone analysis with two different cervical vertebral analysis in measuring skeletal maturation.
BACKGROUND
Skeletal maturation is an integral part of individual pattern of growth and development and is a continuous process. Peak growth velocity in standing height is the most valid representation of the rate of overall skeletal growth. Ossification changes of hand wrist and cervical vertebrae are the reliable indicators of growth status of individual. The objective of this study was to compare skeletal maturation as measured by hand wrist bone analysis and cervical vertebral analysis.


METHODS
Hand wrist radiographs and lateral cephalograms of 72 subjects aged between 7 and 16 years both male and female from the patients visiting Department of Orthodontics and Dentofacial Orthopedics, R.V. Dental College and Hospital. The 9 stages were reduced to 5 stages to compare with cervical vertebral maturation stage by Baccetti et al. The Bjork, Grave and Brown stages were reduced to six intervals to compare with cervical vertebral maturational index (CVMI) staging by Hassel and Farman. These measurements were then compared with the hand wrist bone analysis, and the results were statistically analyzed using the Mann-Whitney test.


RESULTS
There was no significant difference between the hand wrist analysis and the two different cervical vertebral analyses for assessing skeletal maturation. There was no significant difference between the two cervical vertebral analyses, but the CVMI method, which is visual method is less time consuming.


CONCLUSIONS
Vertebral analysis on a lateral cephalogram is as valid as the hand wrist bone analysis with the advantage of reducing the radiation exposure of growing subjects.
Senior Lecturer, Department of Orthodontics, AME Dental College and Hospital, Raichur, Karnataka, India.
Saravanan
S
Pichai
Reader, Department of Orthodontics, MR Ambedkar Dental College, Bengaluru, Karnataka, India.
M
M
Rajesh
Professor, Department of Orthodontics, AME Dental College and Hospital, Raichur, Karnataka, India.
Naveen
N
Reddy
Professor, Department of Orthodontics, AME Dental College and Hospital, Raichur, Karnataka, India.
Gopinath
G
Adusumilli
Reader, Department of Orthodontics, MNR Dental College, Hyderabad, Telengana, India.
Jayaprakash
J
Reddy
Private Dental Practitioner, Bengaluru, Karnataka, India.
Bhavana
B
Joshi
Cervical vertebrae; hand wrist radiograph; skeletal maturation