Assessment of Morphologic Changes in Teeth and Restorations Subjected To High Temperatures: An In Vitro Study
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2019, Vol 18, Issue 4
Abstract
In fire accidents and cremation, fires may reach temperaturesas high as 11500 C. In such circumstances , teeth and bones are the only remains which can help in personel identification, as teeth and restorations are unique to an individual. This “in vitro” study was to observe the effects of high temperatures on teeth restored by (1) amalgam (2) composite/adhesive system, (3) GIC vs. unrestored teeth. 10 un-restored teeth (control group), 10 teeth with class I amalgam restorations and , 10 teeth with class I composite/adhesive system restorations and and 10 teeth with Glass Ionomer Cement restorations were placed in a furnace and heated at a rate of 10°C/min. The effects of the predetermined 2000C, 4000C, 6000C, 8000C, temperatures were examined under direct vision.our observations showed that amalgam and composite material maintained the shape despite the disintegration of crown or the dislodgement of filling material.
Authors and Affiliations
Dr Ramesh Chandra, Dr. Afsana Begum, Dr. Urvashi Ojha, Dr. Rehan Ahmad Khan, Dr. Lubna Afreen
Keywords
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- EP ID EP572588
- DOI 10.9790/0853-1804070408.
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