Effectiveness of Bioactive Resin Varnish and Fluoride Containing Xylitol Varnish in Management of Teeth Hypersensitivity

Inclusion Criteria: * Patients complaining of hypersensitive areas on facial surfaces of the teeth (incisors, cuspids, bicuspids, and first molars with exposed cervical dentin) * Teeth scoring pain (VAS score: greater than or equal to 5) during application of stimulus (air blast, thermal and tactile sensitivity test). * Patients with good oral hygiene. * Co-operative patients who show interest to participate in the study accept the 2-months follow-up period. Exclusion Criteria: * Patients participating in another dental study that may alter the results of this study. * A medical condition that could hinder the accuracy of pain reporting (e.g., pain disorders). * Any chronic medical condition that requires the regular use of anti-inflammatory pain medications. * Patients used or applied a desensitizing varnish within the last four weeks. * Patients with dental problems; chipped teeth, defective restorations, fractured Un-displaced cuspids or deep dental caries. * Patients with orthodontic appliances, or bridge work that might interfere with evaluation * Lack of patient's approval and compliance. * Patients who are allergic to any ingredients will be used in the study.