Polishing methods of an alumina-reinforced feldspar ceramic

M. C. Bottino, Luiz Felipe Valandro, Karla Zanini Kantorski, José Carlos Bressiani, Marco Antonio Bottino

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The purpose of this study was to test the hypothesis that mechanical polishing methods of ceramic surfaces allow similar superficial roughness to that of glazed surfaces. Twenty-five Vitadur Alpha ceramic discs (5 mm x 2 mm) were prepared according to the manufacturer's specifications. All specimens were glazed and randomly assigned to 5 groups (n=5), according to finishing and polishing protocols: G1: glazed (control); G2: diamond bur finishing; G3: G2 + silicon rubber tip polishing; G4: G3 + felt disc/diamond polishing paste; G5: G3 + felt disc impregnated with fine-particle diamond paste. Next, surface roughness means (Ra - μm) were calculated. Qualitative analysis was made by scanning electron microscopy. Surface roughness data were submitted to ANOVA and Tukey's test at 5% significance level. G1 and G4 were statistically similar (p>0.05). G2 presented the highest roughness means (p

Original languageEnglish (US)
Pages (from-to)285-289
Number of pages5
JournalBrazilian Dental Journal
Volume17
Issue number4
StatePublished - 2006
Externally publishedYes

Fingerprint

Diamond
Aluminum Oxide
Ceramics
Ointments
Rubber
Silicon
Electron Scanning Microscopy
Analysis of Variance
feldspar

Keywords

  • Alumina-reinforced feldspar ceramic
  • Finishing and polishing
  • Surface roughness

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Bottino, M. C., Valandro, L. F., Kantorski, K. Z., Bressiani, J. C., & Bottino, M. A. (2006). Polishing methods of an alumina-reinforced feldspar ceramic. Brazilian Dental Journal, 17(4), 285-289.

Polishing methods of an alumina-reinforced feldspar ceramic. / Bottino, M. C.; Valandro, Luiz Felipe; Kantorski, Karla Zanini; Bressiani, José Carlos; Bottino, Marco Antonio.

In: Brazilian Dental Journal, Vol. 17, No. 4, 2006, p. 285-289.

Research output: Contribution to journalArticle

Bottino, MC, Valandro, LF, Kantorski, KZ, Bressiani, JC & Bottino, MA 2006, 'Polishing methods of an alumina-reinforced feldspar ceramic', Brazilian Dental Journal, vol. 17, no. 4, pp. 285-289.
Bottino MC, Valandro LF, Kantorski KZ, Bressiani JC, Bottino MA. Polishing methods of an alumina-reinforced feldspar ceramic. Brazilian Dental Journal. 2006;17(4):285-289.
Bottino, M. C. ; Valandro, Luiz Felipe ; Kantorski, Karla Zanini ; Bressiani, José Carlos ; Bottino, Marco Antonio. / Polishing methods of an alumina-reinforced feldspar ceramic. In: Brazilian Dental Journal. 2006 ; Vol. 17, No. 4. pp. 285-289.
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