Estudo anatômico do padrão labial entre mães e filhas do Nordeste brasileiro

Translated title of the contribution: Anatomic study of lip patterns between mothers and daughters from Northeast Brazil

Aline Vasconcelos Silva, Ananda Lobo Pedreira Costa, Mona Lisa Cordeiro Asselta da Silva, Millena Barroso Oliveira, Luiz Renato Paranhos, Ademir Franco, Jeidson Antônio Morais Marques, Jamilly de Oliveira Musse

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Objective: To evaluate the pattern of cheiloscopic inheritance, transmitted from mother to daughter, and its applicability in human identification. Methodology: This was a cross-sectional study of a qualitative and quantitative nature, prepared in accordance with the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE). The sample consisted of 30 dentistry students from the State University of Feira de Santana (UEFS), and their respective mothers. The method consisted of three steps: measurement of lip thickness, classification of the commissures of the lips and evaluation of the sulcular pattern, following the classification of Suzuki and Tsuchihashi. The data were analyzed statistically using Pearson's chi-square and Fisher's exact tests. Results: The most prevalent lip characteristics were the presence of mixed, thick / very thick lips and the lip commissure arranged horizontally. In the evaluation of the sulcular pattern, type I (complete vertical lines) and I '(incomplete vertical lines) prevailed. The thickness and type of lip commissure showed greater potential for transmission from mother to daughters, when compared to the types of lip grooves. Conclusion: The analysis of the lips showed some characteristics that show greater similarity between mothers and daughters, with the pattern of the lip impressions being the characteristic of less similarity among the descendants studied.

Translated title of the contributionAnatomic study of lip patterns between mothers and daughters from Northeast Brazil
Original languagePortuguese
Article numbere94691110545
Number of pages16
JournalResearch, Society and Development
Issue number11
Publication statusPublished - 8 Dec 2020


  • Cheiloscopy
  • Forensic dentistry
  • Lip
  • Heredity


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