Forensic Odontology Dentistry

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Forensic Dentistry Presentation done by Dr.Khalid Aboalshamat

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Forensic Odontology Dentistry

  1. 1. Forensic Odontology Done by: Khalid Abo Al Shamat 0352209 Supervised by: Prof. Hisham Othman
  2. 2. <ul><li>Forensic Medicine: </li></ul><ul><ul><li>A branch of medicine that applies the principles and knowledge of the medical and related sciences to problems that concern the general public and issues of the law. </li></ul></ul><ul><li>Forensic science (forensic Odontology): </li></ul><ul><ul><li>is the area of dentistry concerned with the correct management, examination, evaluation, and presentation of dental evidence in criminal or civil legal proceedings in the interest of justice. </li></ul></ul>
  3. 3. <ul><li>Forensic dentists are responsible for four main areas of practice: </li></ul><ul><ul><li>Identification of found human remains, and in mass fatalities and making Dental profiling. </li></ul></ul><ul><ul><li>Age estimation </li></ul></ul><ul><ul><li>Assessment of bite mark </li></ul></ul><ul><ul><li>Assessment of cases of abuse (child, spousal, elder) </li></ul></ul>
  4. 4. Forensic dentists are responsible for four main areas of practice: <ul><ul><li>Identification of found human remains & Dental profiling. </li></ul></ul><ul><ul><li>Age </li></ul></ul><ul><ul><li>estimation </li></ul></ul><ul><ul><li>Assessment of bite mark </li></ul></ul><ul><ul><li>Assessment of cases of abuse </li></ul></ul>
  5. 5. Identification of human remains <ul><li>if only a few teeth are available </li></ul><ul><li>if there is no teeth </li></ul><ul><li>The American Board of Forensic Odontology conclusions: </li></ul><ul><ul><li>Positive identification </li></ul></ul><ul><ul><li>Possible identification </li></ul></ul><ul><ul><li>Insufficient evidence </li></ul></ul><ul><ul><li>Exclusion </li></ul></ul>
  6. 6. Dental profiling <ul><li>The forensic dentist can often produce a &quot;picture&quot; of the general features of the individual.  </li></ul><ul><li>This process is known as post-mortem dental profiling. </li></ul><ul><li>Sex and race </li></ul><ul><li>skull appearance </li></ul><ul><li>Additional characteristics </li></ul><ul><li>The age of children </li></ul><ul><li>socio-economic </li></ul><ul><li>erosion and abrasion </li></ul><ul><li>source of DNA </li></ul>
  7. 7. Age estimation <ul><li>Some of the Methods: </li></ul><ul><ul><li>HAAVIKKO </li></ul></ul><ul><ul><li>LILIEQUIST </li></ul></ul><ul><ul><li>LUNDBERG </li></ul></ul><ul><ul><li>DEMIRJAIAN </li></ul></ul><ul><li>Based on: on the comparison of tooth development, as seen in radiographs, with standard charts compiled from a large number of individuals in a specific geographic region. </li></ul><ul><li>Results: </li></ul><ul><li>Other methods: </li></ul>
  8. 8. Bite mark <ul><li>What is bite mark? </li></ul><ul><li>Where can you find bite mark? </li></ul><ul><li>any roughly semicircular bruise between 4 and 5 cm diameter should be treated as suspicious. </li></ul><ul><li>Dead or alive </li></ul><ul><li>Special marks </li></ul>
  9. 9. Bite mark <ul><li>Characteristics of both the bite mark wound and the suspect's teeth include: </li></ul><ul><ul><li>the distance from cuspid to cuspid </li></ul></ul><ul><ul><li>the shape of the mouth arch </li></ul></ul><ul><ul><li>the evidence of a tooth out of alignment </li></ul></ul><ul><ul><li>teeth width and thickness, spacing between teeth </li></ul></ul><ul><ul><li>missing teeth </li></ul></ul><ul><ul><li>the curves of biting edges </li></ul></ul><ul><ul><li>unique dentistry </li></ul></ul><ul><ul><li>Wear patterns such as chips or grinding.  </li></ul></ul>
  10. 11. Bite mark <ul><li>What forensic dentist should do when ever finding bite mark in a crime theater? </li></ul><ul><ul><li>1st: obtain a saliva sample from the bite. </li></ul></ul><ul><ul><li>2nd: dentist will make photograph </li></ul></ul><ul><ul><li>3rd: if the bite marks on a victim body </li></ul></ul><ul><ul><li>4th: Some forensic dentists used the Dorion method . </li></ul></ul><ul><ul><li>5th: when we find a suspect. </li></ul></ul>
  11. 14. References: <ul><li>1. VERA STAAF, HAKAN MORN ST AND ULF WELANDER </li></ul><ul><li>Age estimation based on tooth development: A test of reliability and validity </li></ul><ul><li>Scand J Dent Res 1991; 99: 281-6. </li></ul><ul><li>2. Dr. Tom O'Connor </li></ul><ul><li>Faculty of North Carolina, lecture notes for forensic law, forensic odontology. </li></ul><ul><li>http://faculty.ncwc.edu/TOConnor/425/425lect16.htm </li></ul><ul><li>3. The Police Site for the State of New South Wales Australia, Forensic science, Forensic Odontology </li></ul><ul><li>http://www.policensw.com/info/forensic/forensic5.html </li></ul>
  12. 15. <ul><li>Thank you for your time </li></ul>

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