Inclusion Criteria:  Children with hearing impairment Children with age of 12-16 years Children with no systemic disease Children with Plaque adhering to the free gingival margin, more than one third and more than two thirds of tooth surface Children with mild, moderate and severe gingivitis Agreement on written accent Agreement to comply with study visits and procedure  Exclusion Criteria:  Conditions requiring antibiotic pre-medication prior to dental examination Children with extensive dental calculus