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 Indian J Med Microbiol  
 

Table 2: Comparison of surface roughness measurements obtained at three evaluation periods (1st, 14th and 28th day) and the baseline readings for the three groups analysed in this study

Table 2: Comparison of surface roughness measurements obtained at three evaluation periods (1<sup>st</sup>, 14<sup>th</sup> and 28<sup>th</sup> day) and the baseline readings for the three groups analysed in this study