In vitro surface and color changes of tooth-colored restorative materials after sport and energy drink cyclic immersions

Table 5 The mean surface roughness (± SD) of materials tested immersed in sport and energy drinks at different times

Materials	Storage agents	Mean surface roughness (μm) ± SD at different times (day)
Materials		Before immersion	7 days	14 days
Filtek One Bulk	Deionized water	0.01 ± 0.01	0.02 ± 0.01^a,A	0.02 ± 0.01^a,A
Fill	Sponsor	0.01 ± 0.01	0.07 ± 0.04*^{, b,B}	0.12 ± 0.03*^,b,B
Fill	M-150	0.01 ± 0.01	0.16 ± 0.01*^,c,C	0.18 ± 0.02*^,c,C
Premise	Deionized water	0.01 ± 0.01	0.02 ± 0.01^a,A	0.02 ± 0.01^a,A
	Sponsor	0.01 ± 0.01	0.19 ± 0.02*^,b,D	0.22 ± 0.02*^,b,D
	M-150	0.01 ± 0.01	0.30 ± 0.02*^,c,E	0.33 ± 0.02*^,c,E
Ketac Universal	Deionized water	0.01 ± 0.01	0.01 ± 0.02^c,A	0.01 ± 0.02^a,A
	Sponsor	0.02 ± 0.02	0.33 ± 0.02*^,b,F	0.36 ± 0.02*^,b,F
	M-150	0.02 ± 0.02	0.29 ± 0.08*^,c,G	0.82 ± 0.02*^,c,G

*Indicates statistically significant difference (in rows) from before immersion (P < 0.05)
^a−cIndicates statistically significant difference (in columns) among the three storage agents for each material (P < 0.05)
^A−GIndicates statistically significant difference (in columns) among the three storage agents and three materials (P < 0.05)

ISSN: 1472-6831