Color stability, surface roughness and microhardness of composites submitted to mouthrinsing action
J. appl. oral sci
; 20(2): 200-205, Mar.-Apr. 2012. tab
Article
in English
| LILACS
| ID: lil-626421
Responsible library:
BR1.1
ABSTRACT
OBJECTIVE:
The purpose of this study was to evaluate the effect of mouth rinse solutions on color stability, surface roughness and microhardness of two composite resins. MATERIAL ANDMETHODS:
Fifty test specimens of each composite (Filtek Z250 and Z350; 3M ESPE) were made using a teflon matrix (12x2 mm). Color, surface roughness and Knoop microhardness baseline measurements of each specimen were made and specimens (n=10) were immersed in 5 mouth rinse solutions G1 distilled water (control), G2 Plax Classic, G3 Plax alcohol-free; G4 Periogard, and G5 Listerine. Final measurements of color, roughness and microhardness were performed and the results submitted to statistical analysis (2-way ANOVA, Bonferroni s test; p<0.05).RESULTS:
The most significant color change was observed for Z250 when immersed in Listerine (p<0.05). Z350 showed greater color change when immersed in Plax alcohol-free (p<0.05), but with no significant difference for Listerine (p>0.05). With regard to roughness, both composites showed significant changes when immersed in Listerine in comparison with Plax alcohol-free (p<0.05). Microhardness of Z350 was shown to be significantly changed when the composite was immersed in Plax alcohol-free (p<0.05).CONCLUSION:
Composite changes depended on the material itself rather than the mouth rinse solution used.
Full text:
Available
Collection:
International databases
Database:
LILACS
Main subject:
Prosthesis Coloring
/
Color
/
Composite Resins
/
Mouthwashes
Limits:
Humans
Language:
English
Journal:
J. appl. oral sci
Journal subject:
Dentistry
Year:
2012
Document type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
University of São Paulo/BR