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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
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
  1. Different uppercase letter in the same line are statistically different
  2. 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)