Influence of Diode Laser for the Treatment of Dentin Hypersensitivity on Microleakage of Cervical Restorations

Table 2

Comparison of microleakage scores according to diode laser pretreatment for the three restorative material groups tested.

			Subgroup NL	Subgroup L	WSR
					value
Group CR (Filtek Z350 XT)	Occlusal margin	Score 0	11 (68.8%)	14 (87.5%)	0.08
		Score 1	2 (12.5%)	2 (12.5%)
		Score 2	2 (12.5%)	0 (0%)
		Score 3	1 (6.3%)	0 (0%)
		Median (IQR)	0.00 (1.00)	0.00 (0.00)
	Cervical margin	Score 0	6 (37.5%)	3 (18.8%)	0.26
		Score 1	7 (43.8%)	7 (43.8%)
		Score 2	0 (0%)	2 (12.5%)
		Score 3	3 (18.8%)	4 (25%)
		Median (IQR)	1.00 (1.00)	1.00 (1.75)
Group RMGI (Photac Fil)	Occlusal margin	Score 0	4 (25%)	5 (31.3%)	0.73
		Score 1	7 (43.8%)	6 (37.5%)
		Score 2	3 (18.8%)	1 (6.3%)
		Score 3	2 (12.5%)	4 (25%)
		Median (IQR)	1.00 (1.75)	1.00 (2.75)
	Cervical margin	Score 0	0 (0%)	0 (0%)	0.32
		Score 1	9 (56.3%)	8 (50%)
		Score 2	3 (18.8%)	3 (18.8%)
		Score 3	4 (25%)	5 (31.3%)
		Median (IQR)	1.00 (1.75)	1.00 (2.00)
Group GIC (Ketac Universal)	Occlusal margin	Score 0	1 (6.3%)	0 (0%)	0.18
		Score 1	3 (18.8%)	2 (12.5%)
		Score 2	0 (0%)	0 (0%)
		Score 3	12 (75%)	14 (87.5%)
		Median (IQR)	3.00 (1.50)	3.00 (0.00)
	Cervical margin	Score 0	0 (0%)	0 (0%)	1.00
		Score 1	0 (0%)	0 (0%)
		Score 2	2 (12.5%)	2 (12.5%)
		Score 3	14 (87.5%)	14 (87.5%)
		Median (IQR)	3.00 (0.00)	3.00 (0.00)

WSR: Wilcoxon signed-rank test; NL: without laser pretreatment; L: with laser pretreatment.