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The mandible undergoes remodelling and morphological alterations throughout the life of an individual, and it is subjected to sex- and age-related structural changes. Personal identification from skeletal remains represents one of the most difficult challenges for a forensic anthropologist. The study of mandibular morphology is an important aid in determining the sex and age of skeletal remains. The objective of this study was to evaluate the age-related changes of three mandibular dimensions through dry bone measurements: bigonial width, ramus height and gonial angle. A total of 93 skeletal remains were included in this study, from a group of soldiers of Yugoslav origin who lived in two concentration camps in Bari (southern Italy) during World War II. These are included in the collection of the Forensic Anthropology Laboratory of the Institute of Forensic Medicine of Bari. The measurements were recorded after comprehensive examination by a forensic anthropologist and a forensic odonto-stomatologist. The data obtained were analysed statistically using a bivariate test and a multivariate linear regression model, using the Statal 13MP software. The results indicate that the bigonial width and gonial angle vary significantly according to age. In conclusion, this study confirms that the mandible is useful for age estimation in the identification of skeletal remains using these specific mandibular measurements when performed on dry bone without radiological distortion. [ABSTRACT FROM AUTHOR]