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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
Published on: January 29, 2018
Age estimation using thoracic and first two lumbar vertebral ring epiphyseal union
Midori Albert1, Dawn Mulhern, Melissa A Torpey
1Department of Anthropology, University of North Carolina Wilmington, 601 S. College Road, Wilmington, NC 28403-5907, USA. albertm@uncw.edu
Journal of Forensic Sciences
|February 10, 2010
Summary
This study introduces a new method for estimating age at death by analyzing vertebral ring union patterns in individuals aged 14-27. The research provides reliable age ranges and demonstrates high accuracy, aiding forensic anthropology.
Area of Science:
- Forensic Anthropology
- Human Osteology
- Bioarchaeology
Background:
- Vertebral centra union (epiphyseal fusion) is a key indicator of age at death during adolescence and early adulthood.
- Accurate age estimation is crucial for demographic studies and forensic investigations.
Purpose of the Study:
- To present a novel system for estimating age at death based on the timing and patterns of vertebral ring union.
- To establish detailed age ranges for males and females using this method.
Main Methods:
- Analysis of vertebral ring union patterns in 57 individuals with known ages (14-27 years).
- Development of specific age ranges for observed union stages in both sexes.
- Assessment of interobserver reliability for scoring union stages.
Main Results:
- Established distinct age ranges for vertebral ring union patterns, with clearer delineation in females compared to males.
- Demonstrated strong interobserver consistency (r = 0.91-0.97) in scoring union stages.
- Achieved high age estimation accuracies (78%, 88%, 100%) using vertebral data alone.
Conclusions:
- The presented system offers a reliable method for estimating age at death in adolescents and young adults.
- Vertebral ring union analysis is a valuable tool, particularly when combined with other osteological indicators.
- Further application of this method is encouraged in forensic and bioarchaeological contexts.
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