Forensic Odontology

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Forensic Odontology
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Universal Numbering
Top
Bottom
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Dental Records

• Fillings
• Extractions
• Crowns, Bondings,
• Veneers
• Adjacent Teeth
• Twisted/Tilted Teeth

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Bite Marks (7 types)

• Hemorrhage (small bleeding spot)
• Abrasion (scratched skin)
• Contusion (ruptured blood vessel, bruise)
• Laceration (torn skin)
• Incision (neat puncture of skin)
• Avulsion (removal of skin)
• Artifact (bitten off piece of skin)

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4 Classifications of Bite Marks

• 1. Clearly Defined
• (significant pressure)
• 2. Obviously Defined
• (1st degree pressure)
• 3. Quite Noticeable
• (violent pressure)
• 4. Lacerated (skin
• violently torn from
• body)

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Analysis of Bite Mark Injuries

• Arch Width (cuspid to cuspid)
• Shape of dental arch (C-shaped, Oval, U-shaped)
• Inter-tooth spacing
• Tooth width thickness
• Curvature of biting edges
• Rotated/twisted teeth (each tooth)
• Missing teeth

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Arch Width Measuring
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Recording Bite Mark Incident

• Name of Victim
• Case
• Date of Examination
• Age of Victim
• Sex of Victim
• Name of examiner

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Recording Bite Mark Incident

• Location of Bite Mark
• Surface Contour (flat, curved, irregular)
• Tissue Characteristics
• Shape (round, oval, crescent, irregular)
• Color (red, purple, blue, etc.)
• Size (vertical/ horizontal dimensions)
• Type of Injury (abrasion, laceration etc.)