Identifying "does" with help of dentures.
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OBJECTIVE: To provide a preliminary assessment of the orodental status and dental treatment requirements of a group of elderly in-patients. DESIGN: Cross-sectional. SETTING: Acute Care of the Elderly and Stroke Rehabilitation units at teaching hospitals in Merseyside. SUBJECT: 150 patients aged 58 to 94 years, in which a history could be validated at interview. INTERVENTION: Questionnaire administered by dentist and clinical examination. MAIN OUTCOME MEASURES: Registration with a dentist, prosthetic status and difficulties with dentures, denture hygiene and identification marking, dental treatment needs and evidence of mucosal pathology. RESULTS: Only 27% of patients claimed registration with a dentist. Three quarters of the patients were edentulous and 66 patients wore full dentures; 18 had no prostheses. Difficulties were experienced by one quarter of patients with upper dentures, compared with a half of lower denture wearers. Of the dentures available for inspection, 61% had removable soft debris, 66% were left out at night and 75% were cleaned by the patient, whilst on the ward. No dentures had evidence of identification marking. Of the 39 partially dentate patients, 75% required interventive dental treatment. Denture stomatitis was diagnosed in 29% of patients and 19 had evidence of benign mucosal pathology. CONCLUSIONS: The orodental status of this group of elderly in-patients was poor, with a high proportion being edentulous. Few were registered with a dentist and denture hygiene was inadequate. Lack of identification marking is a matter of concern. Closer liaison between hospital staff responsible for elderly in-patients is required, to improve the orodental health and quality of life of this medically compromised group of patients.
Forensic dentistry is important to the armed forces and denture markers are useful adjuncts in forensic dental identification. The dental services in the Singapore Armed Forces (SAF) recognise this need and have been marking dentures since 1987. The "inclusion method" chosen for marking dentures in the SAF is described.
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Forensic stomatology makes the findings of dental research available to justice. Thus, it is a branch of the forensic sciences. Among the main tasks of forensic stomatology are the identification of people and (in crimes of violence, especially sex crimes) the statement, analysis and evaluation of bite marks. The marking of dentures is also dealt with.
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The Norwegian Department of Justice has by Order in Council in 1975 established an identification team under the jurisdiction of the Central Criminal Police Bureau. The team has four members: two police officers, one expert in forensic medicin and one in forensic dentistry. Deputy members of the team are also appointed and those for forensic medicine and forensic dentistry are residents of the three largest cities of Norway, viz. Oslo, Bergen and Trondheim. The responsibility of the team is to identify victims of mass disasters, and to assist in other difficult identifications both in Norway and in foreign countries when Norwegian interests are involved. Each member of the team shall sign the identification report and will thus have a veto in uncertain cases. Consquently the dentist in the team must also evaluate the entire material in each case. For identification purposes, the dentists are urged to comply with some requirements as to dental charts, radiographs and treatment. Each patient must have a clear and readable dental chart containing his name, address and date of birth. Dental characteristics should be noted. Radiographic status should be made of the teeth of regular patients and of special teeth when extensive treatment is required. The radiograms must be kept in file and identified by the name of the patient and the date of exposure. Patients wearing dental prosthesis should be offered denture marking, and the dentures should be recorded in detail on the chart. For flying personell radiographic status is regarded mandatory, and recording of all resotrations are recommended. The aviation company should be informed of the name of the dentists of their crew. Wehn a dentist is asked for assistance in an identification case, the original dental chart, all radiograms models etc. are requested to be delivered. Additions or explantations may also be valuable.
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The practical activities of the Department of Forensic Odontology at the National Board for Forensic Medicine in Stockholm, Sweden, have been reviewed over a ten year period (1980-1989). The number of cases has increased from 72 in 1980 to 278 in 1989, and a total of 1402 tasks have been carried out. Seventy-five per cent of the cases have concerned identification of single individuals, 14% have involved the National Register of Missing Persons with the remaining cases being age determination (34), bite marks (27), oral examination after criminal assault (69), examination of skeletal remains, dentures, restorative materials (33) and written reports to be presented at court (159).
A personal identity mark may be added to a metal or an acrylic resin prosthesis. The importance of this technique, particularly in terms of forensic investigation and identification, should make it a compulsory dental procedure. Where metal is involved, engraving is the most desirable method of marking. The heat resistance of various labeling materials indicates that an acrylic resin prosthesis should contain a marked, heat resistant material together with a mark clearly visible from the denture surface.
Prosthodontists recommend a remount procedure for identification and correction of occlusal errors in complete dentures rather than the more common practice of placing articulating paper intra-orally, followed by 'spot-grinding' at the chair-side. There is no evidence to support this recommendation. The aim of this study was to compare the number and distribution of occlusal markings obtained using a remount procedure with those achieved using articulating paper intra-orally. 147 edentulous subjects with newly constructed complete dentures participated. In all cases the remount method produced a significantly lower number of occlusal contacts compared with articulating paper used intra-orally (p<0.001). The distribution of occlusal markings was also different between the remount and intra-oral methods. These results suggest that, for complete dentures, articulating paper used intra-orally is inaccurate compared with a remount procedure.
A case of self-inflicted bite mark during an episode of myocardial ischemia is presented. Using current bite mark identification techniques, the bite mark was shown to be self-inflicted. Self-biting may be an emotional response to pain or a type of counterirritation to alleviate pain. The recognition and documentation of this unusual case of a self-inflicted bite mark was due to the cooperation of the forensic pathologist and forensic odontologist.