Mental Eminence in the Historical, Surgical and Anthropological Perspective: A Scoping Review

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Abstract
The mental eminence (chin) is a uniquely human anatomical feature with critical relevance across multiple domains of biomedical and anthropological research. This transdisciplinary review aims to synthesize current knowledge regarding its morphology, population variability, evolutionary origin, and surgical relevance. A comprehensive scoping review aims to map how the mental eminence has been defined and evaluated in anthropological, forensic research, identifying the main methodological approaches, anatomical landmarks, and sources of morphological variability, as well as the reliability and applicability of current assessment methods in clinical–forensic contexts. The search strategy was performed in October 2025. The authors initially identified 3125 records, and 26 studies were finally included and assessed for qualitative analysis. Moreover, the analysis integrates data from osteological collections, radiographic imaging, and modern morphometric studies. The mental eminence exhibits significant variability across human populations, with pronounced sexual dimorphism and evolutionary distinction from non-human primates. Its emergence in Homo sapiens is a key taxonomic trait. Clinically, the chin serves as a landmark in surgical procedures involving genioplasty, trauma reconstruction, and dental implantology. Recent advances in imaging and biometrics have refined its analysis in both anthropological and diagnostic contexts. Though often overlooked, mental eminence plays a vital role in craniofacial morphology and human evolution. Its study bridges osteology, anthropology, and surgery, offering insight into both phylogenetic development and applied anatomical practice. A multidisciplinary understanding of this structure enhances its diagnostic and therapeutic utility.

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