bite marks information and Lesson
Odontologists study bite marks. The distinctiveness of the bite mark is used for the identification of a person. For example, gaps or abnormalities present in the teeth of a suspect are compared with any bite marks at the scene, to see whether it is logical to say that the suspect's teeth made the bite mark.
To be able to match a suspect with a bite mark, the mark is documented using photographs and in the case of food containing within the mark, alcohol or other preserving agents, such as glycerol and formaldehyde are used to preserve the food. A record of the suspect's teeth is then acquired, where odontologists take an impression of the teeth in silicon rubber. The impression left in the rubber is set using plaster to make a replica of the gums and teeth and compared with the samples. These photos and replicas are then compared with the crime scene bite mark. The forensic odontologist simply gives evidence as a witness to injuries caused by biting and it is the method in which they choose to present evidence in court that convinces a jury whether a suspect guilty or innocent.
To be able to match a suspect with a bite mark, the mark is documented using photographs and in the case of food containing within the mark, alcohol or other preserving agents, such as glycerol and formaldehyde are used to preserve the food. A record of the suspect's teeth is then acquired, where odontologists take an impression of the teeth in silicon rubber. The impression left in the rubber is set using plaster to make a replica of the gums and teeth and compared with the samples. These photos and replicas are then compared with the crime scene bite mark. The forensic odontologist simply gives evidence as a witness to injuries caused by biting and it is the method in which they choose to present evidence in court that convinces a jury whether a suspect guilty or innocent.
comparing records
At the scene of the crime, odontologists collect the skull or remaining teeth, which are taken back to the forensic laboratory for the postmortem dental investigation. X-rays are taken and if the jaw is completely intact and the dental records used to compare are recent, the job of proving a match is a relatively simple one. Dentists mark on a chart the position of missing teeth, crowns,bridges, fillings, caps, root canals and various other treatments during a patient's routine check-up. The task of identifying a victim is made more difficult when the dentist records and x-rays are out of date or when the skull is severely damaged and has parts missing.
alternative factors
If there are no dental x-rays located, full-face x-rays are sometimes used as an alternative record, as sinuses present above the nose have a unique shape in every person and can be used in the accurate identification of a victim. If no dental, face or x-ray records are present, the ability to make decisions about the victim's identity is very restricted, but other guidelines are useful.
Some of the guidelines include the tooth roots becoming more transparent in older people and the stage of development of a child's teeth can determine their age. The teeth's pattern of wear in adult's show the person's age, diet and the materials/dentistry techniques used during dental treatment, which can point out the country in which treatment was received.
Some of the guidelines include the tooth roots becoming more transparent in older people and the stage of development of a child's teeth can determine their age. The teeth's pattern of wear in adult's show the person's age, diet and the materials/dentistry techniques used during dental treatment, which can point out the country in which treatment was received.
murder
When it comes to murder police and forensic scientists can't afford to make any mistakes at the crime scene. It is the most important part of processing a crime scene.
Test your attention to detail, observation, scientific and mathematical thinking skills in the following lesson:
Test your attention to detail, observation, scientific and mathematical thinking skills in the following lesson: