Carbonic Anhydrase VI Gene Polymorphism rs2274327 Relationship Between Salivary Parameters and Dental-Oral Health Status in Children.

The aim of this study was to research carbonic anhydrase (CA) VI one single-nucleotide polymorphism (SNP) and its potential association with dental-oral health status (dental caries, Plaque Index (PI) and Gingival Index (GI)) and salivary parameters (salivary buffering capacity, salivary flow rate (SFR)) in children. A total of 178 children were divided into two groups: non-carious (n = 70, 34 boys and 36 girls) and carious (n = 108, 47 boys and 61 girls). The clinical evaluations were performed according to the decayed, missing, and filled teeth (dmft/DMFT) index by a specialist. Clinical parameters including PI, GI, and simplified oral hygiene index (OHI-S) were recorded. Salivary pH (SpH) was measured using pH paper. Blood samples and unstimulated whole saliva were collected, and SFR was calculated. The CA VI rs2274327 polymorphism was determined by a LightSNiP assay on the realtime PCR system. The frequencies of rs2274327 were not significant between groups (p > 0.05). There was a positive correlation between OHI-S and SpH in the carious and non-carious groups (p < 0.05). There was no correlation among the SNPs' frequencies and OHI-S, PI, GI, SFR, and SpH (p > 0.05). CA VI SNP (rs2274327) had no statistically significant association with OHI-S, PI, GI, SFR, and SpH in the children.

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