Table 2.

Comparison of Surface Roughness Parameters Among Study Groups in the Finishing Stage

	Ra		Rq		Rt		Rz
	Mean±SD		Mean±SD		Mean±SD		Mean±SD
Low-Speed TC bur	0.35±0.16	A	0.43±0.19	A	2.76±1.25	A	1.64±0.72	A
High-Speed TC bur	0.54±0.23	A, B	0.72±0.32	A, B	5.07±2.57	A	2.98±1.23	A, B
Diamond Bur	0.83±0.18	B	1.05±0.23	B	5.93±1.40	A	4.19±1.10	B
Er:YAG Laser	1.49±0.41	C	2.35±0.75	C	11.79±3.53	B	7.51±2.15	C