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Journal of Indian Society of Pedodontics and Preventive Dentistry Official publication of Indian Society of Pedodontics and Preventive Dentistry
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 ORIGINAL ARTICLE
Year : 2013  |  Volume : 31  |  Issue : 2  |  Page : 69-73

A comparative study of salivary buffering capacity, flow rate, resting pH, and salivary Immunoglobulin A in children with rampant caries and caries-resistant children


1 Department of Pedodontics and Preventive Dentistry, Sri Sankara Dental College, Varkala, Kerala, India
2 Department of Pedodontics and Preventive Dentistry, Sree Mookambika Institute of Dental Sciences, Kulasekharam, Kanyakumari, Kerala, India
3 Department of Conservative Dentistry and Endodontics, Sree Mookambika Institute of Dental Sciences, Kulasekharam, Kanyakumari, Kerala, India
4 Department of Pedodontics and Preventive Dentistry, Mar Baselios Dental College, Kothamangalam, Kerala, India
5 Department of Conservative Dentistry and Endodontics, N.I.College of Dental Sciences, Neyyantinkara, Trivandrum, Kerala, India

Correspondence Address:
C Sundaresan
Department of Pedodontics and Preventive Dentistry, 'Mangalya', Era 160, Thottam, Manacaud, Trivandrum 695 009
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-4388.115697

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Purpose : This study was conducted to identify various factors in the development of rampant type of dental caries in South Kerala children, other than high sucrose intake and poor oral hygiene. This was done by comparing the salivary buffering capacity(BC), flow-rate(FR), resting pH and salivary immunoglobulin-A(s-IgA) levels in children who are caries resistant(CR) and who have rampant dental caries. Materials and Methods :Two study groups, a rampant caries group(RC) with more than five active caries lesions in the early stages and a CR with no caries lesions were selected based on a specific criteria. Unstimulated whole mixed saliva was collected directly from the floor of the mouth for a period of 10 min and the FR was calculated. Resting pH of saliva was measured using color coded pH paper. BC was measured by calculating the amount of citric acid of pH2.5, required to lower the initial pH of saliva down to 3. s-IgA levels were also estimated by immunoturbidometric method after forming a precipitate of s-IgA with specific anti-IgA antibodies. Result: The salivary BC, FRs, pH and s-IgA levels were significantly lower in the RC group when compared to the CR group. Conclusion : This study showed that salivary BC, flow-rate, resting pH and levels of s-IgA in saliva are risk factors in the development of RC in children.






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