The problem of long-term consequences of fetal macrosomia (birth weight greater than or equal to 4 kg), among which there are dental disorders, is urgent.Objective. To identify the features of the periodontal state of individuals in the City of Kharkiv and adjasent area (Ukraine) population, born with macrosomia according to their weight-height index at birth. The identification takes into account intrauterine obesity, or intrauterine well-balanced development, or pre-natally formed relative body weight insufficiency.A separate objective of this study is to determine qualitative and radio-morphometric indices as markers of the bone mineral density of the jaws in the individuals in the City of Kharkiv and adjasent area population, born macrosomic.Material and methods. During 2014–2019, two hundren and nineteen persons with different dental health conditions have been examined using clinical and radiological methods. One hundred and forty individuals between the ages of 11 and 55, who were born with macrosomia, constituted the Main Group, and seventy nine individuals of the same age, whose birth-weight parameters were normal (fetal normosomia), were assigned to the Comparison Group.Considering the weight-height parameters at birth, the participants included into the study were divided into subgroups. Considering the age of the participants included into the study, they were also divided into Age Periods.To indirectly determine the optical density of bone tissue the following two X-ray morphometric indices have been used: the mental index (MI) (A. Taguchi, 1995) and the Panoramic Mandibular Index (PMI) (B. W. Benson, 1991).In a straightforward manner, the density of the cortical and trabecular jawbone tissue was measured using an Easy Dent 3D Viewer CT scanner. The tomographic studies have been conducted with the cone-beam computer tomographs.Results. In macrosomic-at-birth persons with prenatal obesity, in the oral cavity in ontogeny, dystrophic-inflamatory changes arise, with prevalence of a dystrophic component, which are accompanied by destruction of periodontal tissue of different degree of severity, which is manifested by the atrophy of the alveolar processes and the recession of the gums, and which is accompanied by the appearance of wedge-shaped defects. The results of direct and indirect calculations of the optical density of the bone tissue in such persons indicate a significantly reduced density of the cortical layer of the bone tissue of the jaws, as compared to normosomic at birth persons.In macrosomic-at-birth persons with a well-balanced intrauterine development, as well as with a relative intrauterine insufficiency of body weight, in the later life, dystrophic-inflammatory changes arise in periodontal tissues with prevalence of an inflammatory component of different degree of severity. In such persons, a significantly reduced density of the trabecular tissue of the jaws has been revealed, as compared to the other participants in the study, in both the Main and Comparison Groups.Conclusions. In the course of the intrauterine period, a specific type of metabolism forms, which has a decisive influence on the formation of dental disorders in individuals born with macrosomia.
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