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This study aimed to evaluate the efficacy of diode laser alone and with topical sodium uoride varnish on reducing dentine hypersensitivity (DH) in patients with chronic periodontitis. Materials and Methods: Forty patients having stage I and Stage II periodontitis were selected according to the criteria of AAP (2017) with complaint of (DH) after routine periodontal therapy . Patients were randomly divided into two groups: group1- received NaF varnish then diode laser application at 1 W (PW) ,(CW) for 30 seconds using 320µ ber. Group-2, treated with laser irradiation only. Each tooth received three application Dentine hypersensitivity evaluation was by tactile, air-blast, and thermal stimuli and measured using VAS scores. The patient’s response was recorded at baseline, one month and 3 month after the applicationResults : The results were statistically analyzed, signicant pain reduction was showed in both groups. However , it was found that in the laser plus varnish group, tangible reduction in dentine hypersensitivity scores more than in laser alone group on the three tested stimuli at one and three months. VAS score differences between the groups were statistically significant Conclusion : It was concluded that diode laser plus NaF varnish is more effective than laser alone in reduction of patients’ dentine hypersensitivity among chronic periodontitis patients.

egyptian dental journal /egyptian dental journal

Clinical efficacy of diode laser alone and in combination with desensitizing varnish in dentinal hypersensitivity treatment (Randomized Controlled Trial)