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  • Title: Effect of three commercially available chewing gums on salivary flow rate and pH in caries-active and caries-free children: An in vivo study.
    Author: Vantipalli UK, Avula SSJ, Enuganti S, Bandi S, Kakarla P, Kuravadi RV.
    Journal: J Indian Soc Pedod Prev Dent; 2017; 35(3):254-259. PubMed ID: 28762353.
    Abstract:
    BACKGROUND AND AIM: Adequate salivary flow is an important requisite in the maintenance of oral health. Salivary flow increases in response to both gustatory (taste) and mechanical (chewing) stimuli. Hence, the aim of the present study was to know the efficacy of commercially available chewing gums (sugar free and sugared) on salivary flow rate (SFR) and pH in caries-active and caries-free children. MATERIALS AND METHODS: One hundred school children aged between 10 and 12 years were divided into two groups on the basis of their caries status into caries free and caries active. Unstimulated saliva was collected before start of the study. Both groups were subjected to three commercially available chewing gums (2 sugar free, 1 sugared) on consecutive days, and saliva was collected at intervals of 2 min (T2), 10 min (T10), and 30 min (T30). The pH and flow rate of saliva samples were measured before and specified time intervals after gum chewing. RESULTS: In both the groups, gum chewing increased the SFR, significantly at T2, and gradually declined at T30 which was significantly higher than baseline values. The pH raised significantly at T2 and gradually declined at T30 which was significantly higher than baseline values with sugar-free gums, but with sugared gums, the pH raised slightly at T2 and dropped significantly at T30. However, no statistically significant differences in pH and flow rate were noticed in both the groups. CONCLUSION: Chewing of sugar-free gums in both caries-active and caries-free children may aid in reducing the incidence of dental caries.
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