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Article

Perception of Portuguese and Brazilian Dentists Regarding the Importance of Teeth and Dental Materials After Exposure to High Temperatures: Forensics Perspective

by
Beatriz Ramos
1,
Isabel Abreu
2,3,4,
Maria Teresa Moreira
5,6,7,
Augusta Silveira
1,4,6,8,
Inês Lopes Cardoso
1,4,6 and
Maria Inês Guimarães
1,4,6,8,9,*
1
FCS-UFP, Health Sciences Faculty, University Fernando Pessoa, 4249-004 Porto, Portugal
2
FCT-UFP, Science and Technology Faculty, University Fernando Pessoa, 4249-004 Porto, Portugal
3
RISE-Health, Faculty of Science and Technology, University Fernando Pessoa, Fernando Pessoa Teaching and Culture Foundation, Praça 9 de Abril, 349, 4249-004 Porto, Portugal
4
FP-I3ID, Institute of Investigation, Innovation and Development, FP-BHS, Biomedical and Health Sciences, UFP, Porto, Portugal
5
RISE-Health, Fernando Pessoa School of Health, Fernando Pessoa Education and Culture Foundation, Rua Delfim Maia 334, 4200-253 Porto, Portugal
6
RISE-Health, Faculty of Health Sciences, University Fernando Pessoa, Fernando Pessoa Teaching and Culture Foundation, Rua Carlos da Maia 296, 4200-150 Porto, Portugal
7
Health Sciences School, University Fernando Pessoa, 4249-004 Porto, Portugal
8
CEISUC, Centre of Investigation in Technologies and Centre for Health Studies and Research of the University of Coimbra, 3004-512 Coimbra, Portugal
9
INMLCF, I. P., North Delegation - National Institute of Legal Medicine and Forensic Sciences, I. P., Jardim Carrilho Videira, 4050-167 Porto, Portugal
*
Author to whom correspondence should be addressed.
Forensic Sci. 2025, 5(2), 15; https://doi.org/10.3390/forensicsci5020015
Submission received: 25 February 2025 / Revised: 17 March 2025 / Accepted: 24 March 2025 / Published: 1 April 2025
(This article belongs to the Special Issue Advances in Forensic Odontology)
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Abstract

Background: The main objective of this study was to carry out an online questionnaire in order to assess dentists’ knowledge and perception of dental materials submitted to high temperatures, helping to clarify and raise awareness of possible gaps in the area of forensic dentistry, especially in human identification. Results: Out of a total of 272 respondents, there was a greater influx of responses from countries such as Portugal and Brazil, the majority being female (66.3%), with an average age of 39 years. Most dentists consider complete clinical records to be extremely important. In addition, professionals with less experience provide fewer models in releasing their clinical records. In the case of dental materials, dentists consider composite resin and glass ionomers to be more susceptible to changes in shape and colour, while amalgam is considered the most stable, followed by ceramic and metal-ceramic crowns. On the other hand, dentin is considered more susceptible to colour changes than enamel. Enamel is seen by most professionals as resistant, undergoing few changes in shape at high temperatures. Conclusions: The opinion of the surveyed dentists on this subject is broadly in line with the existing literature. The only observed differences were related to exposure time and enamel resistance, since they assume that enamel is more resistant, and dentin is more vulnerable.
Keywords: elevated temperature; forensic dentistry; tooth; dental restoration; human identification elevated temperature; forensic dentistry; tooth; dental restoration; human identification

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MDPI and ACS Style

Ramos, B.; Abreu, I.; Moreira, M.T.; Silveira, A.; Cardoso, I.L.; Guimarães, M.I. Perception of Portuguese and Brazilian Dentists Regarding the Importance of Teeth and Dental Materials After Exposure to High Temperatures: Forensics Perspective. Forensic Sci. 2025, 5, 15. https://doi.org/10.3390/forensicsci5020015

AMA Style

Ramos B, Abreu I, Moreira MT, Silveira A, Cardoso IL, Guimarães MI. Perception of Portuguese and Brazilian Dentists Regarding the Importance of Teeth and Dental Materials After Exposure to High Temperatures: Forensics Perspective. Forensic Sciences. 2025; 5(2):15. https://doi.org/10.3390/forensicsci5020015

Chicago/Turabian Style

Ramos, Beatriz, Isabel Abreu, Maria Teresa Moreira, Augusta Silveira, Inês Lopes Cardoso, and Maria Inês Guimarães. 2025. "Perception of Portuguese and Brazilian Dentists Regarding the Importance of Teeth and Dental Materials After Exposure to High Temperatures: Forensics Perspective" Forensic Sciences 5, no. 2: 15. https://doi.org/10.3390/forensicsci5020015

APA Style

Ramos, B., Abreu, I., Moreira, M. T., Silveira, A., Cardoso, I. L., & Guimarães, M. I. (2025). Perception of Portuguese and Brazilian Dentists Regarding the Importance of Teeth and Dental Materials After Exposure to High Temperatures: Forensics Perspective. Forensic Sciences, 5(2), 15. https://doi.org/10.3390/forensicsci5020015

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