Bacterial Adhesion and Surface Roughness for Different Clinical Techniques for Acrylic Polymethyl Methacrylate

Table 3

Mean surface roughness values.

Group	Surface roughness (SD)
L (control)	0.09 (0.01) a
MP	0.52 (0.05) b
NP	0.61 (0.08) b
MF	2.69 (0.12) c
NF	3.23 (0.15) d

Alphabetic characters indicate groups for which the values are not significantly different.