Journal of Dental Hygiene Science : eISSN 2233-7679

Table 4

Change of Chroma Value (C) of Temporary Crown Resin according to Immersion in Different Staining Solution

Group Staining solution Experimental solution p-value* Post hoc test

Distilled watera Black coffeeb Red winec
I Base line 0.17±1.00 −0.33±0.49 −0.25±0.22 0.63
3 days 0.55±0.53 1.10±0.79 −1.87±0.72 <0.001 a,b>c
7 days 0.32±1.30 0.87±0.72 0.22±6.92 0.98
II Base line 0.52±0.76 −0.25±0.45 0.03±0.49 0.34
3 days 1.48±1.444 0.50±0.93 −3.53±0.99 <0.001 a,b>c
7 days −0.23±0.65 0.30±0.20 17.42±0.50 <0.001 a,b<c
III Base line 1.77±0.91 1.30±0.31 1.75±0.78 0.68
3 days 2.23±1.55 3.34±1.85 −0.32±1.15 0.07 a,b>c
7 days 2.42±1.64 3.42±1.71 15.65±5.80 0.01 a,b<c
IV Base line 0.32±0.46 −0.14±0.68 0.95±0.85 0.22
3 days 0.92±0.63 2.13±1.01 0.82±1.04 0.22
7 days 0.90±0.45 2.45±0.53 0.62±0.55 0.01 a,c<b

Values are presented as mean±standard deviation.

*p-value obtained from Kruskal–Wallis test.

Post hoc obtained from Mann–Whitney U-test.

J Dent Hyg Sci 2022;22:139-47 https://doi.org/10.17135/jdhs.2022.22.3.139
© 2022 J Dent Hyg Sci