Evidence map›Paper›PMID 42841953›Full record

ArticleDie Naturwissenschaften2026

Smoking-related variation in facial soft tissue thickness assessed by ultrasound: forensic implications for facial analysis.

Zuzana Kozáková, Petra Švábová, Michal Soták, Mária Matláková, Radoslav Beňuš

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Article in Die Naturwissenschaften, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Zuzana KozákováFaculty of Natural Sciences, Department of Anthropology, Comenius University Bratislava, Bratislava, Slovakia. kozakova77@uniba.sk.ORCID https://orcid.org/0009-0006-0125-9673
Petra ŠvábováFaculty of Natural Sciences, Department of Anthropology, Comenius University Bratislava, Bratislava, Slovakia.
Michal SotákFaculty of Natural Sciences, Department of Anthropology, Comenius University Bratislava, Bratislava, Slovakia.
Mária MatlákováFaculty of Natural Sciences, Department of Anthropology, Comenius University Bratislava, Bratislava, Slovakia.
Radoslav BeňušFaculty of Natural Sciences, Department of Anthropology, Comenius University Bratislava, Bratislava, Slovakia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFacial soft tissue thickness (FSTT) represents a key parameter in forensic facial reconstruction and human identification, reflecting both biological and behavioral influences. This pilot cross-sectional study examined the impact of body mass index, age and smoking status on FSTT in a Slovak adult population, with emphasis on sex-specific variations.

methodsA total of 246 participants (176 females, 70 males) were measured using B-mode ultrasonography across eight midline facial landmarks and eight paired bilateral landmarks. Statistical analyses included non-parametric tests, Spearman rank correlation and general linear models with BMI and age as covariates.

resultsSex-specific patterns were identified. In females, BMI was the dominant predictor, showing medium to large effects across most landmarks. Age contributed modestly to variation, particularly in the lower face. Smoking related differences were localized, rather than consistent across facial landmarks. Female conventional smokers showed lower FSTT values than non-smokers at the left fossa canina landmark (p = 0.046). In males, age showed a stronger and more consistent association with FSTT than BMI, with age-related variation most evident in midfacial and mandibular regions. Direct comparison between smokers and non-smokers in males revealed no significant differences in FSTT at any landmark. Overall smoking status was not consistently associated with FSTT.

conclusionsThe findings highlight sex specific and anatomical variability in FSTT and provide population specific data relevant for forensic facial reconstruction. Larger and more balanced samples are needed to confirm these preliminary associations.

Indexed as

FaceSmokingAdultAgedBody Mass IndexCross-Sectional StudiesFemaleHumansMaleMiddle AgedSlovakiaUltrasonographyYoung AdultFacial soft tissue thicknessForensic anthropologySmokingUltrasonography

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.