Table 4 Different lowercase letter in the same column are statistically different

From: Bonding of CAD/CAM lithium disilicate restorations with regular and flowable composite resin with and without wetting resin

Treatments	Regular composite resin	Flowable composite resin
Treatments	Mean (SD) (n = 12)	Mean (SD) (n = 12)
E	15.15 (3.8)bA	13.13 (2.4)bA
E/S	21.06 (4.4)aB	18.91 (3.6)aB
E/S+	15.93 (4.0)bC	22.05 (3.9)aD
S	4.32 (5.1)dE	4.85 (2.9)dE
S+	3.92 (2.5)dF	5.55 (3.3)dF
E (no adhesive)	11.79 (5.2)bcG	11.04 (6.2)bG
E/S (no adhesive)	10.88 (3.2)bcH	17.22 (1.1)bcI
E/S+ (no adhesive)	10.13 (1.0)cJ	17.01 (1.4)bcK
S (no adhesive)	0.65 (2.4)dL	3.31 (1.8)dL
S+ (no adhesive)	1.53 (0.8)dM	2.41 (1.7)dM

Different uppercase letter in the same line are statistically different
E hydrofluoric acid (HF), E/S HF-etching + silane (20 s), E/S+ HF-etching + silane (60 s), S silane (20 s), S+ silane (60 s)

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