Effect of No Decay tablet used for lowering the bacteria causing tooth decay

INTERVENTION: Intervention1: No Decay Tablets: IgY Tablets as per dosage guidelines, 20 mg chewable tablet (orange in colour ) in the morning after breakfast and 40mg chewable tablet (white in colour) after dinner before going. to sleep for a period of 15 days Control Intervention1: Fluoridated Toothpaste: Patients advised to brush Twice a day with a fluoridated toothpaste CONDITION: PRIMARY OUTCOME: To estimate the count of S. mutans in saliva pre and post ; administration of Ig Y tablets. ; Timepoint: Saliva collection and microbial analysis will be carried out at four intervals ,i.e. before the administration, and on 15th , 30th and 60th day after administration SECONDARY OUTCOME: To evaluate the effect of Ig Y tablets on salivary pHTimepoint: Salivary pH will be recorded at 0, 16th , 30th and 60th day INCLUSION CRITERIA: Healthy children between ages 12‐ 18 years of age. High caries risk patients according to caries risk assessment form.