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  • Title: Comparison of some salivary characteristics between children with and without early childhood caries.
    Author: Bagherian A, Asadikaram G.
    Journal: Indian J Dent Res; 2012; 23(5):628-32. PubMed ID: 23422609.
    Abstract:
    BACKGROUND AND AIM: Early childhood caries (ECC) is one of the most common chronic childhood diseases. Saliva as a host factor plays an essential role in maintaining the integrity of oral structures. The aim of the present study was to compare resting salivary pH, buffering capacity, and secretory immunoglobulin A (sIgA), calcium, and phosphate concentrations between children with and without ECC. MATERIALS AND METHODS: In this cross-sectional study, samples of unstimulated saliva of 90 children (45 in ECC group and 45 in caries-free group) were taken with Scully method. The pH and buffering capacity were determined by pH meter. sIgA, calcium, and phosphate concentrations were quantitated with ELISA, CPC photometric, and phosphomolybdate/UV methods. RESULTS: The mean resting salivary pH was significantly higher among children without ECC and the buffering capacity was significantly better among this group (P = 0.002). The mean sIgA concentration was significantly higher among the ECC group (P = 0.015). There were no statistically significant differences between calcium and phosphate concentrations between the two groups. CONCLUSION: The higher mean resting salivary pH and better buffering capacity found in children without ECC are probably the contributing factors that protect against caries development; but further studies are needed to understand the effects of saliva and its characteristics and components on ECC.
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