Influence of acidic solutions on surface roughness of polished and glazed CAD-CAM restorative materials

Head & Face Medicine

Table 4 Ra (µm) values in different solutions according to two different surface treatments of ceramics

Ceramics	Solution	Mechanical Polishing	Glazing
LDS	Citric acid	0.20 ± 0.06^bA	0.39 ± 0.07^aA
	Cola-cola	0.23 ± 0.04^bA	0.37 ± 0.10^aA
	Artificial saliva	0.20 ± 0.03^bA	0.30 ± 0.08^aA
RNC-C	Citric acid	0.28 ± 0.08^aA	0.25 ± 0.12^aA
	Cola-cola	0.25 ± 0.06^aA	0.32 ± 0.12^aA
	Artificial saliva	0.21 ± 0.05^aA	0.23 ± 0.06^aA
PIC	Citric acid	0.35 ± 0.05^bAB	0.50 ± 0.13^aA
	Cola-cola	0.37 ± 0.05^aA	0.49 ± 0.16^aA
	Artificial saliva	0.30 ± 0.04^aB	0.24 ± 0.05^bB
RNC-L	Citric acid	0.29 ± 0.05^aA	0.30 ± 0.07^aAB
	Cola-cola	0.28 ± 0.05^bA	0.41 ± 0.13^aA
	Artificial saliva	0.21 ± 0.04^aB	0.22 ± 0.03^aB

Different lowercase letters in rows shows the difference between surface treatments (a, b,ab), Different capital letters in columns shows the difference between solutions (A, B,AB) (P <.05)

ISSN: 1746-160X