Forensic Odontology CSI UMMC

Applications  Bite mark analysis  Identification  Dental malpractice

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

Human Identification  Comparison of antemortem data with postmortem data  Presumptive vs. positive identification

Positive identification  Dental record comparison  DNA  Fingerprints  Radiological

Dental Anatomy  Primary (deciduous set) – 20 teeth  Secondary (permanent set) – 32 teeth

Divisions of Teeth  Maxillary set  RU quadrant  LU quadrant  Mandibular set  RL quadrant  LL quadrant

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

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

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

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