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Use of two methods for adult age estimation using periapical X-rays

Grant number: 16/07508-8
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2016
Effective date (End): July 31, 2018
Field of knowledge:Health Sciences - Dentistry
Principal Investigator:Maria Gabriela Haye Biazevic
Grantee:Joyce Campos de Miranda
Home Institution: Faculdade de Odontologia (FO). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Age estimation of young and adults corresponds a challenge for Forensic Anthropology and to Forensic Dentistry. Cases encompassing age estimation in living persons are on increase in the world. The objective of the study is to verify the accuracy and the precision of two age estimation methods - Kvaal et al. (1995) and Cameriere et al. (2004) - using periapical x-rays in a sample of Brazilian adults. The sample will be distributed in 12 groups as per sex (female and male) and age range (20 to 29 years, 30 to 39 years, 40 to 49 years, 50 to 59 years, 60 to 69 years and 70 or more years); each group will have 40 individuals, and the total of participants will be 480. Age estimation measures will be performed using Adobe®Photoshop® CS5 software, in which Kvaal et al. (1995) linear measures will be performed and the number of pixels of the pulp and teeth will be recorded (Cameriere´s technique). Then, the measures will be included in the reference equations in order to perform the age estimation. All measures will be performed with no knowledge of the real age by the observer. Linear regression test will be performed and STATA 13.0 statistical programme will be used.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JOYCE CAMPOS DE MIRANDA; ALANA DE CÁSSIA SILVA AZEVEDO; MARCOS ROCHA; EDGARD MICHEL-CROSATO; MARIA GABRIELA HAYE BIAZEVIC. Age estimation in Brazilian adults by Kvaal’s and Cameriere’s methods. Brazilian Oral Research, v. 34, p. -, 2020.

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