Positive Identification
Definition
The categorical conclusion in comparative radiography that all examined features are concordant, no feature is inconsistent, and the overall pattern of correspondence is sufficient to conclude that the antemortem and postmortem images derive from the same individual.
- Definition scope
- Applied in comparative radiography, dental identification, and skeletal analysis
- Key requirement
- Complete concordance of examined features with zero unexplained discordances
Common questions
What does 'positive identification' mean in forensic terms?+
Positive identification is a definitive conclusion that the remains or forensic evidence belongs to a specific individual. All examined features match between the antemortem and postmortem data with no inconsistencies. This level of certainty excludes all other individuals.
What's the difference between positive ID and other identification conclusions?+
Positive ID requires complete concordance with no unexplained discordances. Other categories (like possible or probable identification) involve uncertainty or minor inconsistencies. Only positive identification rules out every other person.
How do radiography and dental records help reach a positive identification?+
Radiography and dental records provide distinctive patterns that are unique to each individual. When antemortem (before death) images match postmortem (after death) findings perfectly, the overall pattern of correspondence becomes conclusive. This comparative method is especially powerful in forensic odontology and skeletal analysis.
Related terms
- Exclusion
- The categorical conclusion that one or more examined features are clearly inconsistent in a way that cannot be explained by projection angle,...
- ABFA
- American Board of Forensic Anthropology. The primary US credentialing body for forensic anthropologists. Accepts frontal sinus radiographic comparison as an established personal...
- Antemortem (AM) Record
- Any dental documentation from the person's life: radiographs, clinical charts, study models, photographs, and prosthetic records. These form the known standard against...
- Comparative Radiography
- The forensic discipline of placing an antemortem radiographic image alongside a postmortem image and comparing feature by feature to determine whether they...
- Concordant Feature
- A characteristic that matches between the AM and PM records. Concordances build the case for identification; the more unique and numerous they...
- Discordant Feature
- A characteristic that differs between AM and PM findings. A discordance must either be explained (e.g., new dental work since the last...
- DVI
- Disaster Victim Identification. The multi-agency identification process used in mass-casualty events. Comparative radiographic methods, including frontal sinus, dental and implant comparison, form...
- Frontal Sinus
- Bilateral air-filled cavities within the frontal bone, superior to the orbits, that pneumatise from the embryonic frontal recess of the nasal passages....
- Orthopantomogram (OPT)
- A panoramic dental radiograph that images all teeth and the surrounding jaw structures in a single curved-plane projection. Widely used in dental...
- Postmortem (PM) Examination
- The systematic dental examination conducted on remains after death, producing a chart, radiographs, and photographs that document the current state of the...
- SWGANTH
- Scientific Working Group for Forensic Anthropology. A US expert panel that produced guidance documents (2008-2013) on standards for forensic anthropological practice, now...
- UDI
- Unique Device Identifier. A code mandated by the FDA (US) and EU MDR on every medical device, encoding manufacturer, model, lot and...
Explained in these topics
- Dental Identification: Antemortem to Postmortem ComparisonThe conclusion category meaning the AM and PM data match to a degree of certainty that excludes all other individuals, with no unexplained discordances.
- Personal Identification by Comparative Radiography and Frontal SinusThe categorical conclusion in comparative radiography that all examined features are concordant, no feature is inconsistent, and the overall pattern of corresp...