An Ultrastructural Study on the Effect of High Temperatures on Teeth and Restorative Materials That Aids in the Identification of Human Remains
Introduction. In most disasters, teeth are the only means of positive identification of an otherwise unrecognizable body, as there has been tremendous increase in the use of dental restorations that have different resistance to prolonged high temperature which is an important aid in identifying burn...
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| Veröffentlicht in: | BioMed research international 2021, Vol.2021, p.1-6 |
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| creator | Yashoda, V. Munisekhar, Manay Srinivas Shylaja, S. Rao, Krishna A. Reddy, Sharath Kumar Muddebihal, Farahnaz Alam, Mohammad Khursheed |
| description | Introduction. In most disasters, teeth are the only means of positive identification of an otherwise unrecognizable body, as there has been tremendous increase in the use of dental restorations that have different resistance to prolonged high temperature which is an important aid in identifying burned victims. Application of SEM/EDS in forensics was found useful in areas where there is a need for good imaging with high magnification combined with elemental analysis. The objective of this study was to analyze incineration effects on teeth and restorative materials using SEM/EDS. Materials and Method. 128 extracted teeth were collected, 96 were restored with silver amalgam, composite, and GIC of 32 each, and crown preparation was done in 32 teeth for which metal ceramic crowns were prepared. These teeth were subjected to 4 different temperatures (500°C, 700°C, 900°C, and 1100°C) for 20 minutes, and they were analyzed macroscopically and by using SEM for the changes subsequent to their exposure to such high temperatures. Results. All the restorations which were very difficult to identify by naked eye were identified with the help of SEM/EDS. Conclusion. Elemental analysis of the specific restorative material proves to be an essential tool for the forensic odontologist. |
| doi_str_mv | 10.1155/2021/6629560 |
| format | Article |
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In most disasters, teeth are the only means of positive identification of an otherwise unrecognizable body, as there has been tremendous increase in the use of dental restorations that have different resistance to prolonged high temperature which is an important aid in identifying burned victims. Application of SEM/EDS in forensics was found useful in areas where there is a need for good imaging with high magnification combined with elemental analysis. The objective of this study was to analyze incineration effects on teeth and restorative materials using SEM/EDS. Materials and Method. 128 extracted teeth were collected, 96 were restored with silver amalgam, composite, and GIC of 32 each, and crown preparation was done in 32 teeth for which metal ceramic crowns were prepared. These teeth were subjected to 4 different temperatures (500°C, 700°C, 900°C, and 1100°C) for 20 minutes, and they were analyzed macroscopically and by using SEM for the changes subsequent to their exposure to such high temperatures. Results. All the restorations which were very difficult to identify by naked eye were identified with the help of SEM/EDS. Conclusion. Elemental analysis of the specific restorative material proves to be an essential tool for the forensic odontologist.</description><identifier>ISSN: 2314-6133</identifier><identifier>EISSN: 2314-6141</identifier><identifier>DOI: 10.1155/2021/6629560</identifier><identifier>PMID: 34285918</identifier><language>eng</language><publisher>New York: Hindawi</publisher><subject>Aluminum ; Biomedical research ; Cermets ; Chemical properties ; Composite materials ; Dental jurisprudence ; Dental materials ; Dental matrices ; Dental restorative materials ; Dentin ; Disaster management ; Enamel ; Forensic science ; Heat resistance ; High temperature ; High temperature effects ; Human remains ; Identification ; Incineration ; Methods ; Morphology ; Murders & murder attempts ; Physiological aspects ; Scanning electron microscopy ; Silver ; Teeth ; Thermal properties ; Zinc</subject><ispartof>BioMed research international, 2021, Vol.2021, p.1-6</ispartof><rights>Copyright © 2021 V. Yashoda et al.</rights><rights>COPYRIGHT 2021 John Wiley & Sons, Inc.</rights><rights>Copyright © 2021 V. Yashoda et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><rights>Copyright © 2021 V. 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In most disasters, teeth are the only means of positive identification of an otherwise unrecognizable body, as there has been tremendous increase in the use of dental restorations that have different resistance to prolonged high temperature which is an important aid in identifying burned victims. Application of SEM/EDS in forensics was found useful in areas where there is a need for good imaging with high magnification combined with elemental analysis. The objective of this study was to analyze incineration effects on teeth and restorative materials using SEM/EDS. Materials and Method. 128 extracted teeth were collected, 96 were restored with silver amalgam, composite, and GIC of 32 each, and crown preparation was done in 32 teeth for which metal ceramic crowns were prepared. These teeth were subjected to 4 different temperatures (500°C, 700°C, 900°C, and 1100°C) for 20 minutes, and they were analyzed macroscopically and by using SEM for the changes subsequent to their exposure to such high temperatures. Results. All the restorations which were very difficult to identify by naked eye were identified with the help of SEM/EDS. Conclusion. Elemental analysis of the specific restorative material proves to be an essential tool for the forensic odontologist.</description><subject>Aluminum</subject><subject>Biomedical research</subject><subject>Cermets</subject><subject>Chemical properties</subject><subject>Composite materials</subject><subject>Dental jurisprudence</subject><subject>Dental materials</subject><subject>Dental matrices</subject><subject>Dental restorative materials</subject><subject>Dentin</subject><subject>Disaster management</subject><subject>Enamel</subject><subject>Forensic science</subject><subject>Heat resistance</subject><subject>High temperature</subject><subject>High temperature effects</subject><subject>Human remains</subject><subject>Identification</subject><subject>Incineration</subject><subject>Methods</subject><subject>Morphology</subject><subject>Murders & murder attempts</subject><subject>Physiological aspects</subject><subject>Scanning electron 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- Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>BioMed research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yashoda, V.</au><au>Munisekhar, Manay Srinivas</au><au>Shylaja, S.</au><au>Rao, Krishna A.</au><au>Reddy, Sharath Kumar</au><au>Muddebihal, Farahnaz</au><au>Alam, Mohammad Khursheed</au><au>Iorio Siciliano, Vincenzo</au><au>Vincenzo Iorio Siciliano</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Ultrastructural Study on the Effect of High Temperatures on Teeth and Restorative Materials That Aids in the Identification of Human Remains</atitle><jtitle>BioMed research international</jtitle><date>2021</date><risdate>2021</risdate><volume>2021</volume><spage>1</spage><epage>6</epage><pages>1-6</pages><issn>2314-6133</issn><eissn>2314-6141</eissn><abstract>Introduction. In most disasters, teeth are the only means of positive identification of an otherwise unrecognizable body, as there has been tremendous increase in the use of dental restorations that have different resistance to prolonged high temperature which is an important aid in identifying burned victims. Application of SEM/EDS in forensics was found useful in areas where there is a need for good imaging with high magnification combined with elemental analysis. The objective of this study was to analyze incineration effects on teeth and restorative materials using SEM/EDS. Materials and Method. 128 extracted teeth were collected, 96 were restored with silver amalgam, composite, and GIC of 32 each, and crown preparation was done in 32 teeth for which metal ceramic crowns were prepared. These teeth were subjected to 4 different temperatures (500°C, 700°C, 900°C, and 1100°C) for 20 minutes, and they were analyzed macroscopically and by using SEM for the changes subsequent to their exposure to such high temperatures. Results. All the restorations which were very difficult to identify by naked eye were identified with the help of SEM/EDS. Conclusion. Elemental analysis of the specific restorative material proves to be an essential tool for the forensic odontologist.</abstract><cop>New York</cop><pub>Hindawi</pub><pmid>34285918</pmid><doi>10.1155/2021/6629560</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-7131-1752</orcidid><orcidid>https://orcid.org/0000-0002-2072-8117</orcidid><orcidid>https://orcid.org/0000-0001-9976-6150</orcidid><orcidid>https://orcid.org/0000-0001-8737-538X</orcidid><orcidid>https://orcid.org/0000-0001-6878-6052</orcidid><orcidid>https://orcid.org/0000-0001-9082-705X</orcidid><orcidid>https://orcid.org/0000-0002-9296-7686</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Aluminum Biomedical research Cermets Chemical properties Composite materials Dental jurisprudence Dental materials Dental matrices Dental restorative materials Dentin Disaster management Enamel Forensic science Heat resistance High temperature High temperature effects Human remains Identification Incineration Methods Morphology Murders & murder attempts Physiological aspects Scanning electron microscopy Silver Teeth Thermal properties Zinc |
| title | An Ultrastructural Study on the Effect of High Temperatures on Teeth and Restorative Materials That Aids in the Identification of Human Remains |
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