Evaluation of Root-End Resections Performed by Er, Cr: YSGG Laser with and without Placement of a Root-End Filling Material

Table 1

Comparison of mean dye leakage and gap presence in the experimental root-end resected groups.

Technique	Leakage ± SD (𝑛=20)	Gap ± SD (𝑛=10)
	(mm^2)	(𝜇m^2)
Laser (cold burnish)	0.518±1.059	7831.7±2329.2
Carbide bur (cold burnish)	0.172±0.223	7137.3±1400.7
Carbide bur (MTA root-end filling)	0.158±0.253	0