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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
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Stereomicroscopic study on unsectioned extracted teeth.

V Keerthi Narayan1, V K Varsha1, H C Girish1

  • 1Department of Oral Pathology and Microbiology, Rajarajeswari Dental College and Hospital, Bengaluru, Karnataka, India.

Journal of Forensic Dental Sciences
|April 17, 2018
PubMed
Summary
This summary is machine-generated.

Forensic age estimation using non-destructive dental analysis is highly accurate. Microscopic examination of tooth changes, like root dentin translucency, correlates strongly with chronological age, with a mean error of ±1.0 years.

Keywords:
Age estimationnondestructive methodphysiological changesstereomicroscopeunsectioned teeth

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Area of Science:

  • Forensic Anthropology
  • Dental Forensics
  • Biomaterials Science

Background:

  • Age estimation is crucial in forensic medicine.
  • Teeth are durable skeletal indicators of age at death.
  • Non-destructive dental analysis preserves age-related hard tissue changes.

Purpose of the Study:

  • Assess physiological tooth changes for accurate age estimation.
  • Establish microscopic standards for improved age correlation.
  • Validate non-destructive methods for forensic age assessment.

Main Methods:

  • Analyzed 209 extracted teeth (maxillary and mandibular) from diverse age groups.
  • Employed established methods with modifications for assessing dental changes.
  • Utilized microscopic observation for detailed analysis.

Main Results:

  • Root dentin translucency showed the highest correlation (r=0.97) with age.
  • Periodontal ligament attachment and root dentin color also showed high correlation (r=0.95).
  • Stepwise linear regression yielded a strong positive relationship (R=0.98, P<0.01) with a mean error of ±1.0 years.

Conclusions:

  • Extracted teeth are significant for age identification without sectioning.
  • Microscopic observation reduces age calibration errors.
  • Non-destructive dental analysis provides reliable forensic age estimation.