Surface finishing of glass ionomer.
OBJECTIVE
To evaluate the surface roughness and staining of a glass ionomer cement when subjected to different finishing procedures.


METHODS
Sixty-four discs of Chem-Fil II glass ionomer cement were submitted to staining test with methylene blue by spectrophotometry and roughness test by profilometry. Four groups were evaluated: Mylar matrix (control). Sof-Lex discs, Enhance points, and diamond bur.


RESULTS
Staining and roughness test, analyzed by ANOVA and Tukey's test, showed that the best surface was obtained when the material cured in contact with the Mylar matrix strip or when treated with Sof-Lex discs. The poorest results were obtained after using the diamond bur.
Paulillo
L A
LA
School of Dentistry, Campinas State University, Piracicaba, São Paulo, Brazil.
Coradazzi
J L
JL
Lovadino
J R
JR
Serra
M C
MC
D000537:Aluminum Oxide; D000704:Analysis of Variance; D003775:Dental Polishing / Q000295:instrumentation*; D018130:Diamond; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D005899:Glass Ionomer Cements / Q000737:chemistry; D013499:Surface Properties
D005899:Glass Ionomer Cements; C054101:ChemFil II; D018130:Diamond; D000537:Aluminum Oxide