Table 1.

Mean (SD) of push-out bond strengths (MPa) following placement of medicaments in accordance to root canal thirds

Root canal third	Type of medicament
	Nano-calcium hydroxide	Calcium hydroxide	Control (without medicament)
Coronal	1.11 (0.63)	1.05 (0.38)	1.71 (0.57)
Middle	2.00 (0.89)	2.16 (0.73)	4.00 (1.98)
Apical	5.43 (2.44)	4.87 (2.33)	6.73 (2.09)