Table 3.

Assessment of dentin hypersensitivity in the three groups according to evaporative and tactile stimuli

	Fluoride group	Diode laser group	Placebo group	P
Evaporative
T0	2.1	2.5	2.1	0.044*,‡
T1	1.9	1.6	1.4	0.316*
T2	1.3	1.0	1.2	0.201*
P	0.423†	0.002†,‡	0.148†
Tactile
T0	1.4	1.3	1.4	0.880*
T1	1.3	1.2	1.3	0.849*
T2	0.8	0.8	0.8	0.804*
P	0.391†	0.079†	0.444†

*ANOVA test for independent samples; ^†ANOVA test for repeated measures; ^‡P≤0.05. T0 – Shortly after, T1 – 15 min after, T2 – 7 days after