IRCT2016111230858N1.

Study name	Clinical trial of comparison between Nd:YAG laser and propolis in treatment of dental sensitivity in patients with dentin hypersensitivity
Methods	Double‐blinded, parallel RCT
Participants	Sample size: 25 Inclusion criteria: having at least 2 hypersensitive teeth in 2 sides of mouth (1 right and 1 left); age of ≥ 18 years; vitality of examined teeth; no carious lesions; fractures or cracks and restorations in examined teeth Exclusion criteria: patient absent in follow‐up appointments; systemic diseases; pregnancy; periodontal surgery within last 3 months; orthodontic treatment in that same course; desensitizing therapy within last 1 month; existing of pulpitis and crown in examined teeth
Interventions	Group 1: laser radiation in cervical area of sensitive teeth in 3 sessions with 1 week intervals. Nd:YAG laser with 1064 nm wavelength, 1 W power, 10 Hz frequency, short pulse mode, 300 μm fiber tip was used for a time of 60 s on each tooth Group 2: 40% propolis gel applying in cervical area of sensitive teeth in 3 sessions with 1 week interval
Outcomes	VAS score before treatment and immediately after, 1 week after, 2 weeks after, 1 month after, and finally 3 months after treatment
Starting date	‐
Contact information	marasti68@yahoo.com; dr.rasti68@gmail.com
Notes	‐