Background and aim.Patients with disabilities have a higher prevalence of caries and dental erosions than general population. This particularity may be assessed by the study of microcrystallization of saliva. We investigated the oral liquid microcrystallization in children with gastroesophageal reflux disease (GERD), a condition associated with dental erosions.Material and methods.54 children have been clinically examined: 27 children suffering from GERD with ages between 13 and 15, were included in the study group, and 27 healthy children - the control group. The study of crystallographic changes of the oral liquid was performed using the method developed by Shatohina, Razumov SN, Shabalin VN (2006) with the scanning electron microscope VEGA TESCAN TS 5130 MM.ResultsThe degree of microcrystalization of the oral liquid in children with GERD was considerably reduced, (1.73±0.11 points) and was lower than in children in the control group (3.22±0.16 points) (p<0.01, RR=2). The degree of microcrystallization of oral liquid in children with GERD was 1.86 times lower than in healthy children. This was correlated with the duration of gastroesophageal reflux.ConclusionThe study of structural particularities of dehydrated droplet of oral liquid in children with GERD has elucidated a number of markers of the changes produced in the oral cavity. These can be used in the screening research in prevention of caries and dental erosions.
The aim of the study: to estimate the impact of dental caries on the daily performance of school-age children. Material and methods. The clinical material of this paper is the data of the investigation of 104 children aged between 12 and 18 years. 48 subjects with dental caries were included in the research group (G1). The control group (G0) consisted of 56 caries-free children. Indices of tooth decay frequency and carious experience were estimated. The Child-Oral Impacts on Daily Performance (Child-OIDP) questionnaire was used to assess quality of life (QL). The study was conducted in accordance with ethical requirements with the written consent of the children’s parents. Results. The prevalence of the impact of oral diseases on the main daily performances was 68.75±6.69%, p<0.01 in children with caries and 42.86±6.61 in children without carious lesions. A significant moderate positive association was established between the indicators of DMFT/DMFT+dft tooth decay impairment (ρ=+0.56, p<0.01) and the intensity of the children’s quality of life disorder. Conclusions. The high prevalence of the impact of dental caries on the QL of children with dental caries indicates the increased prevalence of dental treatment needs and the inadequacy of dental care for this population group.
The aim of the paper was to study the microcrystallization of oral fluid and to affect children through tooth decay. 148 children between the ages of 7 and 10 were clinically examined. Indices of tooth decay frequency and carious experience were estimated. Salivary flow rate, saliva pH and salivary buffering capacity were studied using the Saliva–Check Buffer Kit, GC. The study of microcrystallization of oral fluid (OF) was performed by the method of drop dehydration. The study was performed in accordance with the requirements of the Code of Ethics in scientific research. A direct relationship was established between intense carious activity and the decrease of the degree of microcrystallization of OF. Conclusions: the main advantages of the research of the crystallographic properties of OF are the non–invasiveness, the simplicity of the realization and the accessibility of the sampling of the studied substrate, thus offering new perspectives in clinical trials. The study of OF microcrystallization in children with dental caries elucidated a series of markers of changes in the oral cavity that can be used later in screening research, in dental practice, in the development of preventive measures and evaluation of their effectiveness.
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