IRCT20150613022699N5 IRCT 2020-04-07 Esfahan University of Medical Sciences Comparative evaluation of the effects of laser Diode 980 nm and CPP-ACP paste on treatment of dentinal hypersensitivity Comparative evaluation of the effects of laser Diode 980 nm and CPP-ACP paste on treatment of dentinal hypersensitivity 2020-04-18 anticipated 10 Complete https://irct.ir/trial/46590 interventional Randomization: Not randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Blinding description: The patient was informed about the therapeutic methods , including the treatment of laser therapy , the therapy with the CPP - ACP and the control group , but did not know what each tooth receives . N/A Dental Hypersensitivity. Intervention 1: Intervention group: The emission with a 1mm distance and 45 degree angle with the tooth surface for 30 seconds was radiated and reciprocating during the two sessions with a period of 1 weeks . Intervention 2: Intervention group: GC paste Tooth Mousse ( according to the manufacturer 's instructions ) is placed on the surface of the tooth for 3 min and is asked to not do the swallowing act during this period and abstain from drinking and drinking in 30 minutes . Intervention 3: Control group: The teeth were not treated,and the direction of blindness of the study group was limited to stimulating the conditions under the radiation beam. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is No more Information is available now.