Evaluation of Caries-Free Restorations Bonded with Various Adhesive Systems: In Vitro Study

Table 2

The distance of dye penetration into the adjacent tooth surface and the leakage at the tooth-resin interface for all groups (mean ± SD in mm).

Bonding adhesives (n)	Adjacent tooth surface		Leakage at tooth-resin interface
	Enamel	Cementum/dentin	Enamel	Cementum/dentin
Sup in artificial saliva (10)	0	0	0	0
Sup in lactic acid buffer (10)	0	0.185 ± 0.045^−	0	0
AQ in lactic acid buffer (10)	0	0.153 ± 0.030^−	0	0
All in lactic acid buffer (10)	0	0.185 ± 0.032^−,+	0.181 ± 0.121^a	0.713 ± 0.929^b,+
Cle in lactic acid buffer (10)	0	0.189 ± 0.036^−,+	0.061 ± 0.117^a	0.840 ± 0.894^b,+
Non in lactic acid buffer (8)	0	0.156 ± 0.044^−,+	0.342 ± 0.339^a	0.558 ± 0.222^b,+

0 = no dye penetration or no leakage. ⁻ No significant difference between groups (). ⁺Significant difference between groups in the same row (). ^a,bSignificant difference between groups with different superscripts in the same row and colume ().