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There was an increase in s-IgA levels in caries-active mouth to give protection mechanism against dental caries and the Streptococcus mutans which are active in caries-active mouth. The s-IgA antibodies can play an important role in control of dental caries.

Children using saturated saline rinse and alum rinse showed statistically significant reductions in salivary S. mutans counts after 10 days and also after 21 days. After 21 days, the saturated saline rinse and alum rinse groups showed statistically significant differences over the placebo rinse group. Again, the alum rinse group showed a statistically significant difference over the saturated saline rinse group.

Aim:To evaluate the prevalence of oral lesions status in human immunodeficiency virus (HIV) infected children of age 1 to 14 years in Anti Retro viral therapy (ART) centres in Tamil Nadu.Materials and Methods:A of total 326 HIV infected children, age 1 to 14 years of which 174 male children and 152 female children were examined for Oral lesions in the Department of Pedodontics and Preventive Dentistry, Rajah Muthiah Dental College and Hospital, Annamalai University in association with the ART centers in Villupuram, Vellore and HIV Homes in Thiruvannamalai, Trichy and Salem in Tamil Nadu towns.Statistical Analysis:Statistical Package for Social Science for Windows (version 11 code: 3000135939012345).Result:Of the total 326 children, 201 (61.65%) had oral lesions. (68 [20.86%] with Oral Candidiasis [OC], 54 [16.56%] with Angular Cheilitis, 27 [8.28%] with Necrotizing Ulcerative Gingivitis [NUG], 25 [7.66%] with Necrotizing Ulcerative Periodontitis [NUP], 18 [5.53%] with Linear Gingival Erythema [LGE] and 9 [2.76%] with Apthous Ulcer.) Conclusion Among the oral lesions in HIV infected children, OC 20.86% was the predominant oral lesion followed by Angular Chelitis 16.56%, NUG 8.28%, NUP 7.66%, LGE5.53% and Apthous Ulcer 2.76%.