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Table 3 Mean and SD of ΔE values and differences between groups

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

  Distilled water Cola Tea Coffee
HC polishing 0.04±0.005 A,x,p 1.82±0.31 B,x,p 2.59±0.35 C,x,p 3.17±0.32 D,x,p
(n=10)
sof-lex 0.04±0.005 A,x,p 2.48±0.45 B,x,q 2.80±0.35 B,x,p 3.49±0.59 C,x,p
(n=10)
shofu 0.045±0.003 A,x,p 2.52±0.17 B,x,q 2.90±0.47 B,x,p 3.56±0.36 C,x,p
(n=10)
RNC polishing 0.045±0.005 A,x,p 1.89±0.24 B,x,q 2.69±0.59 C,x,q 3.35±0.40 C,x,p
(n=10)
sof-lex 0.05±0.009 A,y,p 2.75±0.28 B,x,p 3.43±0.27 C,y,p 3.84±0.85 C,x,pq
(n=10)
shofu 0.049±0.012 A,x,p 2.81±0.35 B,y,p 3.55±0.36 C,y,p 3.87±0.46 C,x,q
(n=10)
  1. *Different laters indicate statistically significant difference between groups (p<0.05)
  2. aA,B,C,D intra-group comparisons
  3. bx,y between-group comparisons column
  4. cp,q column-group comparisons