The Effect of Using Desensitizers Containing S-PRG In Treatment Of Dentin Hypersensitivity Over 6 Months: A Randomized Clinical Trial

Inclusion Criteria: * Good oral hygiene. * Cooperative patients who show interest to participate in the study and welling to sign the informed consent. * Healthy patients with no history of previous systematic diseases that can affect their oral health. * Normal and healthy gingival tissue. * Teeth that have no cavitation or restorations. * Patients with at least 20 natural permanent teeth and at least two teeth with a VAS score from 4 to 10. * Anterior teeth. Exclusion Criteria: * Allergic to the ingredients used in the study. * Gastrointestinal disorders (They have repeated vomiting attacks). * Medically compromised (They cannot tolerate the procedures). * Taking desensitizing treatment in the last 6 months (It affects the outcome). * Taking anti-inflammatory drugs (It affects the hypersensitivity perception). * Pregnant females (They complain from nausea and repeated vomiting attacks) * Smokers (Smoking will affect the oral hygiene and periodontal health).