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Updated: Jan 29, 2026

Rapid Isolation of Single Cells from Mouse and Human Teeth

Rapid Isolation of Single Cells from Mouse and Human Teeth

Published on: October 28, 2021

Advances in Nondestructive DNA Extraction from Teeth for Human Identification.

Irena Zupanič Pajnič¹

¹Institute of Forensic Medicine, Faculty of Medicine, University of Ljubljana, Korytkova 2, 1000 Ljubljana, Slovenia.

|January 28, 2026

Summary

Nondestructive DNA extraction from teeth offers a new forensic and archaeogenetic method. This technique retrieves high-quality nuclear DNA, preserving valuable specimens for future studies.

Keywords:

aged teeth dental cementum ethical consideration human identification nondestructive DNA extraction

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Last Updated: Jan 29, 2026

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Area of Science:

Forensic Science
Archaeogenetics
Molecular Biology

Background:

Teeth are crucial for human identification due to their durable, mineralized structure.
Degraded tissues often necessitate alternative sources for DNA analysis.

Purpose of the Study:

To review advancements in nondestructive DNA extraction from teeth.
To highlight the utility of these methods in forensics and archaeogenetics.

Main Methods:

Focus on modern protocols targeting dental cementum for nuclear DNA retrieval.
Comparison of nondestructive methods with traditional destructive approaches.
Emphasis on specimen integrity, contamination control, and minimal physical impact.

Main Results:

Nondestructive extraction yields comparable or greater DNA than destructive methods.
Dental cementum is a reliable DNA source in aged/degraded teeth.
Petrous part of the temporal bone remains optimal for extreme preservation.

Conclusions:

Nondestructive DNA extraction supports ethical and sustainable genomic analysis.
Context-specific sampling strategies are essential for balancing research and preservation.
Future work includes testing protocols in diverse forensic settings and developing DNA preservation models.