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Technical note: Age estimation from mandible by lateral cephalogram: a preliminary study.

B Rai¹, K Krishan, J Kaur

¹PDM Dental College and Research Institute, Bahadurgarh, Haryana, India. drbalwantraissct@rediffmail.com

The Journal of Forensic Odonto-Stomatology

|June 13, 2012

Summary

This summary is machine-generated.

Forensic anthropologists can estimate age using mandibular measurements from cephalograms. Mandibular body length, ramus height, and mandibular length show consistent growth, aiding medico-legal age determination.

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Area of Science:

Forensic Anthropology
Anthropometry
Forensic Osteology

Background:

Age estimation is a critical component of forensic investigations.
It is recognized as one of the "Big Four" areas within Forensic Anthropology.
Accurate age assessment is vital for medico-legal purposes.

Purpose of the Study:

To evaluate the utility and reliability of specific mandibular linear parameters for age estimation in individuals aged 7-20 years.
To determine the growth rates of mandibular body length, ramus height, and mandibular length in this age group.
To assess potential sex-based differences in mandibular growth relevant to age determination.

Main Methods:

Analysis of 120 cephalograms from individuals aged 7-20 years.
Measurement of three linear parameters: mandibular body length (Gonion-Gnathion), mandibular length (Co-Gn), and mandibular height (Co-Go).
Statistical evaluation of growth trends and sex-based differences.

Main Results:

Mandibular body length, ramus height, and mandibular length increased by 2.23 mm/year, 3.26 mm/year, and 4.26 mm/year, respectively.
No significant differences in overall mandibular linear growth were observed between sexes.
Females exhibited a slightly higher growth rate in mandibular dimensions compared to males.

Conclusions:

The studied linear mandibular parameters demonstrate utility and dependability for age estimation.
These measurements are valuable tools for age determination in medico-legal contexts.
Further research may refine the application of these parameters in diverse populations.