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Table 2 Means (±standard deviation) of dentin bond strength of adhesive systems tested in this study (MPa)

From: Bond strength and micromorphology of resin-dentin interface of etch-and-rinse dentin bonding agents after 1-year of water storage

Adhesive system

Time

24 h

1 year

Gluma Comfort Bond

50.4 (8.4) Ab

42.7 (13.2) Ab

Optibond FL

67.7 (5.1) Aa

61.6 (6.8) Aa

One Coat Bond SL

59.4 (8.2) Aab

35.7 (9.0) Bb

Peak Universal Bond

51.2 (10.0) Ab

46.2 (12.5) Aab

  1. Values of groups having similar letters were not significantly different (p = 0.05). (uppercase letters = rows; lowercase letters = column)