. 2023 Oct 17;14(10):522. doi: 10.3390/jfb14100522

Table 2.

Mean and standard deviation of the micro-tensile bond strength test to dentin of the different application modalities for the dental adhesive systems at 24 h of aging.

Technique	CSE	OBFL	OBU	PBU
A	^X19.02 (3.19) ^a	^X29.66 (5.25) ^a	^X28.3 (5.02) ^a	^X26.16 (8.9) ^a
APP	^X16.86 (2.74) ^a	^XY11.87 (4.66) ^b	^XY13.6 (2.25) ^b	^Y7.34 (2.2) ^b
AAP	^X17.12 (5.20) ^a	^X15.25 (2.79) ^b	^X12.5 (3.73) ^b	^X10.17 (3.1) ^b
AAA	^X19.77 (2.98) ^a	^XY17.16 (6.39) ^b	^X20.6 (8.73) ^ab	^Y11.49 (2.8) ^b

Different uppercase letters indicate the presence of statistically significant differences for each row (p < 0.05). Different lowercase letters indicate the presence of statistically significant differences for each column (p < 0.05). Clearfil SE Bond (CSE); OptiBond FL (OBFL); OptiBond Universal (OBU); Prime&Bond Universal (PBU); Single active application (A); triple application, Active–Passive–Passive (APP); triple application, Active–Active–Passive (AAP); triple application, Active–Active–Active (AAA).