Table 3.

Surface roughness by contact profilometer (inter group comparison)

	Group I		Group II		Group III
Sample number	Preoperative	Postoperative	Preoperative	Postoperative	Preoperative	Postoperative
1	4.4755 µm	6.8222 µm	1.0085 µm	6.0924 µm	2.0085 µm	3.0924 µm
2	6.525 µm	6.907 µm	4.4145 µm	5.3389 µm	2.4145 µm	2.3389 µm
3	5.017 µm	7.0577 µm	2.5919 µm	8.7756 µm	3.5919 µm	3.7758 µm
4	4.415 µm	4.7 µm	1.1812 µm	6.0963 µm	1.1612 µm	2.0973 µm
5	3.935 µm	5.6481 µm	1.1125 µm	5.9083 µm	3.1125 µm	2.9083 µm
6	2.348 µm	4.993 µm	3.9758 µm	4.0804 µm	4.9258 µm	5.0864 µm
7	4.097 µm	5.146 µm	3.3941 µm	8.3571 µm	4.6941 µm	5.3471 µm
8	8.182 µm	9.276 µm	3.0805 µm	7.1135 µm	4.0805 µm	4.1135 µm