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  Indian J Med Microbiol
 

Table 2: Pre-immersion, post-immersion and difference in roughness values (ΔRamean) for the alloy portion and acrylic resin of group IIa, group IIb, group IIc test samples immersed in sodium perborate solution

Table 2: Pre-immersion, post-immersion and difference in roughness values (ΔRa<sub>mean</sub>) for the alloy portion and acrylic resin of group IIa, group IIb, group IIc test samples immersed in sodium perborate solution