Treatment of Hypersensitivity Using Diode Laser and Desensitising Agent on Fluorosed and Non-fluorosed Teeth

Inclusion Criteria: * • Patients with a positive response for hypersensitivity testing (Pashley, 1990) i.e. cold water testing using ice cold water (Trowbridge et al., 1980), * Air blow test (Coleman and Kinderknecht, 2000), * Electric tactile stimulation test (Camps and Pashley, 2003), * Patients presenting with non-carious cervical lesions in the enamel (Loomba et al., 2013), fluorosed teeth wherein fluorotic enamel staining confirmed by clinical examination, healthy non fluorosed teeth, which was confirmed by clinical examination (Dean, 1934). Exclusion Criteria: * The following were set as the exclusion criteria; * Patients undergoing any form of restorative endodontic, * Orthodontic treatment or crown restorations, * Local defects including caries and fractures, * Presence of any systemic diseases, * Acute pain conditions (like apical periodontitis, periapical abscess), * Presence of periodontal disease or a history of periodontal treatment in last 6 months, * Usage of desensitising toothpaste or mouth rinse in the last 4 weeks, * Patients allergic to ingredients used in the study product, * Teeth with intrinsic stains caused by other reasons.