Forensic Odontology

1
Forensic Odontology

• CSI UMMC

2
Applications

• Bite mark analysis
• Identification
• Dental malpractice

3
Training

• Dental training
• Licensed dentist
• Special classes and seminars
• Forensic Odontology certification from American
  Academy of Forensic Science

4
Human Identification

• Comparison of antemortem data with postmortem
  data
• Presumptive vs. positive identification

5
Positive identification

• Dental record comparison
• DNA
• Fingerprints
• Radiological

6
Dental Anatomy

• Primary (deciduous set) 20 teeth
• Secondary (permanent set) 32 teeth

7
Divisions of Teeth

• Maxillary set
• RU quadrant
• LU quadrant
• Mandibular set
• RL quadrant
• LL quadrant

8
Classification

• Incisors
• Central and lateral
• Canines
• Premolars (bicuspids)
• First and second
• Molars
• First, second and third

9
Dental Charts and X-rays

• Using a pre mortem x-ray and a dental chart any
  major construction is marked on the dental chart
• Using a post mortem x-ray and a dental chart
  features are also marked
• Comparative overlays of teeth angles and
  separations are also used to positively identify
  decedents

10
Bite Marks

• Often there are bite marks that can be used to
  identify perpetrators
• Photographic study and image enhancement with
  comparative study may exclude or positively
  identify a suspect
• Most often seen in rape, murder, child abuse and
  spousal abuse

11
Activity

• Look at dental x- rays and mark major features on
  the dental chart provided
• Look for
• Cavities
• Fillings
• Bridgework
• Missing teeth