Features of microcrystallization of oral fluid in 15-year-old adolescents with different psycho-emotional state

Abstract

Oral fluid plays an important role in maintaining oral homeostasis, including the resistance of the hard tissues of the teeth. The mineralizing potential of mixed saliva can be an indicator of the creation of a cariogenic situation in the oral cavity, and the type of microcrystallization of oral fluid is used in predicting the carious process. The aim of the study — to study the features of microcrystallization of oral fluid in children; monitor the relationship between the level of anxiety, the type of microcrystallization and the mineralizing potential of children’s oral fluid. Materials and methods. 75 adolescents aged 15 years were examined, including 25 people with low, medium and high levels of anxiety. The study of the crystal-forming function of mixed saliva was performed according to the method of P.A. Leusa (1977). The mineralizing potential of saliva was studied by the nature of microcrystallization according to the method of T.L. Redinova, A.R. Pozdeev (1994). Assessment of psycho-emotional state was carried out on the basis of the results of questionnaires of children using the Scale for assessing the level of reactive and personal anxiety Ch.D. Spielberger and J.L. Hanin. Results and discussion. According to the results of research, it is found that with increasing anxiety there is a tendency to reduce the proportion of type I crystals, increase the proportion of type III crystals, reduce the mineralizing potential of mixed saliva. The lowest indicators of mineralizing potential are at a high level of anxiety. Conclusions. Analysis of the morphological picture of mixed saliva in children with different psycho-emotional states showed that adolescents with a high level of anxiety in the oral fluid are predominantly type III crystals, and the mineralizing potential is low. Reduced mineralizing properties of oral fluid lead to demineralization with subsequent progression of the carious process. Therefore, there is a need for differential prevention measures for children with different psycho-emotional states.