enced forensic odontologist.1 Human bite marks can be found on the skin of the living or deceased, adult or child, victim or suspect. They can also be found on. The aim of this paper is to give a brief overview of bite mark analysis: its usefulness and limitations. The study and analysis of such injuries is. The analysis of human bite marks is by far the most challenging and detailed part of forensic Keywords: assailant, sexual abuse, bite marks, forensic dentistry.

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Lowell Levine, Forensic Dentistry: J Forensic Sci Soc ; Even when using the guidelines, different experts provide widely differing results and a high percentage of false positive matches of bite kn using controlled comparison studies.

The bite mark in this case was on a piece of cheese found at the crime scene of a burglary. Part of the examiner’s task is to try to decide which differences can safely be disregarded as unimportant and which similarities are gite significance. Relevance to Bitemark AnalysisInt’l J. Measurement error, and thus the resolution of measurement of the dental arrangement, was quantified by repeated measurements of the same specimen, followed by analysis of the scatter of the measurement points.

We can know only the extent to which they agreed or disagreed with each other. Journal of Forensic Sciences. Not only can the age of a human specimen be narrowed by evaluating the patterns of tooth eruption and tooth wear, recent studies provide evidence that cementumthe mineralized tissue that lines the surface of tooth roots, exhibits annual patterns of deposition.

Identification for both methods were based on canine-to-canine distance one variableincisor width four variablesand rotational angles of the incisors eight variables. He is co-editor of the most recent edition of the Reference Manual on Scientific Evidencethe data source for federal judges, and has published concerning how information is assessed by the courts.


Rarely are comparisons made between the bite mark and a number of models from other individuals in addition to those of the individual in question. Kouble and Craig compared direct methods and indirect methods of bite mark analysis. The Texas Forensic Science Commission recently recommended a moratorium on the admission of bitemark expert testimony.

Studies of wrongful convictions based on DNA exonerations have found the forensic sciences to be second only to eyewitness errors as a source of false or misleading evidence contributing to erroneous convictions.

Bite Marks | Forensic Dentistry | Continuing Education Course |

However, in this study the probabilities used to make this claim are based on the assumption that the position of each tooth was independent of all the others. Egyptian Journal of Forensic Sciences ;4: ABFO officials have indicated that they do not wish the results published until further research has been conducted.

Dep’t of Justice Apr. In addition, bite marks can be found on objects present at the scene of a crime. This article has been cited by.

His other degrees include an LL. Unfortunately, forensic dentists have very little information of the kind needed to make an informed assessment.

Forensic dentistry

A month later, DNA testing excluded Otero as the perpetrator. Incorrect identifications of the bites made in the Whittaker study ranged from 24 odontoloyg cent under ideal conditions to 91 per cent when identifications were made from photographs taken 24 hours after the bites were made which is more typical of how bitemark comparisons are done. If the image of the bite mark in skin is undependable and unstable, then examiners cannot know whether they are looking at a true picture of the dentition that created the bite mark, or a distorted picture.


The California Supreme Court has a case before it that could start a national dismantling of forensic odontology. Forensic dentistry or forensic odontology is the application of dental knowledge to those criminal and markw laws that are enforced by police agencies in a criminal justice system. Bite marks on skin and clay: She is a co-author of two evidence treatises, The New Wigmore: One ground for the court’s concern was that the comparison was made using a photograph of the wound.

The first major finding was that, due to the anisotropic 93 properties of skin, no two bite marks inflicted by the same dentition appeared the same. We invited experts in each discipline to refer us to any such research….

Forensic bitemark identification: weak foundations, exaggerated claims

jarks These samples along with other models and casts were evaluated using a variety of techniques, including two-dimensional and three-dimensional comparisons, and acetate overlays.

Review of bite mark evidence. Intense scientific and legal scrutiny has resulted. Is it a human bite mark, not a human bite mark, or suggestive of a human bite mark? He received his J.

Forensic dentistry – Wikipedia

Ten years after being sentenced to death, Krone was exonerated by DNA. Bitemark evidence from trial of Arizona v Krone. In addition, he is a co-author of the five-volume treatise, Modern Scientific Evidence: