Dental Forensics

1. Forensic Chemistry
Catherine Anne L. Qiu
5th yr. Dentistry

2. FORENSIC CHEMISTRY
-Use of chemical analysis as it applies to the law
-Differs from toxicology in that it analyzes non-
biological samples
-Uses Chemical techniques to identify and quantify
traces of known and unknown substances and trace
their origins for the purposes of criminal investigations

3. What can a Chemist do?
-Assist in the identification of unknown materials found
at a crime scene.
-Specialists in this field have a wide array of methods
and instruments to help identify unknown substances.
-Analyze drugs/controlled substances taken from scenes
and people in order to identify and sometimes quantify
these materials.
-commonly testify in court as expert witnesses
regarding their findings.

4. Contents
• Types of Forensic Chemical Evidence
-Controlled substances and other drugs
-Blood and other body fluids
-Trace evidence
-Pattern evidence
• Theory and Purpose of Chemical Analysis of
Evidence

5. • Schemes of Chemical Analysis
-Evidence must be preserved
-Evidence must be conserved
-Testing
• Types of Forensic Chemical Test
-Presumptive chemical tests
-Confirmatory chemical tests