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Table 4 Mean and SD of TP values and differences between groups

From: Effect of surface finishing on the colour stability and translucency of dental ceramics

   Control Distilled water Cola Tea Coffee
HC polishing 20.59±0.58 20.21±1.94 17.99±0.94 17.96±0.97 15.35±0.97
(n=10) A,p,x A,p,x B,p,x B,p,x C,p,x
sof-lex 20.72±1.76 20.18±1.13 16.30±0.92 16.35±1.07 14.12±0.74
(n=10) A,p,x A,p,x B,q,x B,q,x C,q,x
shofu 20.78±1.25 20.00±0.78 16.23±1.67 16.47±0.59 14.25±1.76
(n=10) A,p,x A,p,x B,q,x B,q,x C,q,x
RNC polishing 24.05±0.43 23.55±1.62 19.83±1.18 20.01±1.40 18.11±0.75
(n=10) A,p,y A,p,y B,p,y B,p,y C,p,y
sof-lex 23.93±1.17 23.67±1.19 18.54±0.84 18.61±0.80 16.63±1.22
(n=10) A,p,y A,p,y B,q,y B,q,y C,q,y
shofu 23.80±1.26 23.47±1.70 18.47±1.12 18.30±3.11 16.21±0.87
(n=10) A,p,y A,p,y B,q,y B,q,y C,q,y
  1. *Different laters indicate statistically significant difference between groups (p<0.05)
  2. aA,B,C intra-group comparisons
  3. bp,q between-group comparisons column
  4. cx,y column-group comparisons