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ORIGINAL ARTICLE
Year : 2022  |  Volume : 9  |  Issue : 3  |  Page : 217-223

Evaluation of surface roughness and color stability of fluorapatite/hydroxyapatite-containing glass carbomer filling material


1 Department of Restorative Dentistry, Faculty of Dentistry, Biruni University, Istanbul, Turkey
2 Department of Restorative Dentistry, Faculty of Dentistry, Faculty of Medicine, Tokat Gaziosmanpasa University, Tokat, Turkey
3 Department of Restorative Dentistry, Faculty of Dentistry, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
4 Department of Restorative Dentistry, Faculty of Dentistry, Bolu Abant Izzet Baysal University, Bolu, Turkey
5 Department of Biostatistics, Faculty of Medicine, Tokat Gaziosmanpasa University, Tokat, Turkey

Correspondence Address:
Fatma Aytac Bal
Department of Restorative Dentistry, Faculty of Dentistry, Biruni University, 10, Yil Caddesi Protokol Yolu No: 45 34010 Topkapi, Istanbul
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jdrr.jdrr_45_22

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Background: This study was designed to determine the effects of various finishing and polishing systems on the surface roughness and color stability of a glass carbomer filling material containing fluorapatite/hydroxyapatite particles. Materials and Methods: A glass carbomer filling material (with and without protecting coat [gloss] n = 100) and a microhybrid resin-based composite (n = 50) were tested in the study. No finishing and polishing was applied to ten samples for each material. The remaining samples were finished and polished with OneGloss, Enhance/PoGo, Identoflex, and Sof-Lex discs, and stored in a coffee solution. Surface roughness assessments were made with a profilometer. Color measures (L* a* b*) were calculated with a colorimeter on the periods of different staining procedures. For the data analysis, two-way analysis of variance was employed. For multiple comparisons, Bonferroni adjustment was used (P < 0.05). Results: The lowest and highest Ra values were found in the group of microhybrid resin-based composite with Mylar strip (0.17 ± 0.04, P < 0.05) and in the group of glass carbomer with gloss with Mylar strip (1.17 ± 0.30, P < 0.05), respectively. The ΔE* and ΔL* values of the glass carbomer with gloss were higher than the other groups. The microhybrid resin-based composite showed less change in all parameters. Conclusion: The results showed that the glass carbomer did not provide a high level of color stability and surface roughness like the microhybrid resin-based composite. On the other hand, the glass carbomer material was affected negatively by the gloss application.


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