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Comparative study of age estimation using dentinal translucency by digital and conventional methods.

Sushma Bommannavar1, Meena Kulkarni1

  • 1Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India.

Journal of Forensic Dental Sciences
|February 25, 2015
PubMed
Summary

This study introduces a digital method using Adobe Photoshop for measuring root dentin translucency, improving dental age estimation accuracy. The digital approach offers more precise measurements than traditional caliper methods for forensic identification.

Keywords:
Age estimationcaliper methoddental identificationdentin translucencydigital methodforensic dentistry

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Area of Science:

  • Forensic Odontology
  • Anthropology
  • Biometrics

Background:

  • Dental age estimation is crucial for individual identification in forensic science.
  • Tooth morphology and arrangement are unique identifiers, similar to fingerprints.
  • Root dentin translucency is a reliable parameter for dental age estimation, traditionally measured with calipers.

Purpose of the Study:

  • To describe a novel method for measuring root dentin translucency using Adobe Photoshop.
  • To evaluate the efficacy of a custom software program for dental age assessment.

Main Methods:

  • 50 single-rooted teeth were sectioned to a uniform thickness of 0.25 mm.
  • Root dentin translucency was measured using both digital (Adobe Photoshop) and caliper methods.
  • Gustafson's morphohistologic approach was employed for analysis.

Main Results:

  • Both digital and caliper methods showed statistically significant correlation coefficients (P < 0.125) between translucency and age.
  • Linear regression analysis indicated the digital method's superior ability in age assessment.
  • Digital measurements demonstrated greater precision compared to caliper measurements.

Conclusions:

  • Adobe Photoshop provides an accessible, user-friendly, and time-efficient tool for measuring root dentin translucency.
  • The digital method offers enhanced precision, leading to more accurate dental age estimation.
  • The study recommends adopting this digital method for improved forensic age assessment.