Bleaching Effect of Solo and Combined Kiwi Extract and Ozone and Their Impact on Enamel

Inclusion Criteria: * A total of the 40 participants aged between (18-35 years) with no gender prediction. * The participation will be entirely voluntary, and a signed statement of informed consent will be obtained prior to the start of the study. * Systemically healthy subject based on medical and drug histories, a subject requiring scaling and polishing with moderate calculus with at least two non-adjacent hypersensitive teeth with Schiff scale scores \>1 with air blast stimulus. * Access to sound maxillary anterior teeth. * Vitapan classical shades should be A3 or darker and lighter shades are not included. Exclusion Criteria: * Participants with poor oral hygiene. * Participants with missing anterior teeth. * Participants with unrealistic expectations. * Participants with dental caries, those undergoing orthodontic treatment. * Participants with a history of periodontal treatment, pregnant or lactating women and individuals with a history of asthma. * Those who are allergic to kiwi or ozone skin therapy were excluded from the study. * Smokers are excluded from the present study.