Ivanov R. O., Sarafyniuk L. A., Popova O. I., Babiichuk N. F., Hlushak A. A.

RELATIONSHIPS BETWEEN MASTICATORY PRESSURE INDICES AND CONSTITUTIONAL PARAMETERS IN ADOLESCENTS WITH BRACHYCEPHALIC SKULL SHAPE

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Ivanov R. O., Sarafyniuk L. A., Popova O. I., Babiichuk N. F., Hlushak A. A.

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MORPHOLOGY

Type of article:

Scientific article

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Masticatory pressure is one of the leading functional indicators of the dentoalveolar system’s condition, as it reflects the cumulative effect of masticatory muscle contraction and dental arch occlusion. The relationships between its indices and the constitutional and craniometric parameters of the body in individuals with different craniotypes, particularly the brachycephalic craniotype, remain insufficiently studied. The aim of the study was to establish the relationships between masticatory pressure indices and constitutional parameters in adolescents with a brachycephalic skull shape. A total of 118 girls and 104 young men aged 16 to 21 years without pathologies of the maxillofacial region and with various types of physiological occlusion were examined. Anthropometry was performed according to P. P. Shaparenko’s method, and craniotype was determined by the cranial index using the Martin–Saller technique; three craniotypes were identified for each sex, of which 80 individuals had a brachycephalic skull shape (46 girls, 34 young men). Masticatory efficiency was objectified using Fuji Prescale MS pressure-sensitive film (sensitivity range 10–50 MPa); correlation analysis was performed using Spearman statistics in the licensed “Statistica 5.5” software package. Relationships between masticatory efficiency indices and constitutional parameters were established. Masticatory pressure showed the most numerous significant correlations in brachycephalic girls at the left second premolar and left second incisor, and in young men at the left second incisor and right first premolar. Facial width, body mass, and body surface area (in girls) and head width and skinfold thickness (in young men) most frequently correlated with masticatory pressure indices at different teeth. Direct significant relationships predominated in young men, whereas in girls inverse relationships predominated on the right half of the dental arch and direct relationships on the left half. Thus, we identified a pronounced factor of sexual dimorphism in the magnitude, direction, and number of relationships between masticatory pressure indices and constitutional parameters in individuals with a brachycephalic skull shape.

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Bibliography:

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Publication of the article:

«Bulletin of problems biology and medicine», 2026 Issue 3, 182, 412-417 pages, index UDC 616.314-007.21:572.782-053.6

DOI:

10.29254/2077-4214-2026-3-182-412-417