Author/Authors :
Zortuk, Mustafa Erciyes University - School of Dentistry - Department of Prosthetic Dentistry, Turkey , Kesim, Servet Erciyes University - School of Dentistry - Department of Periodontology, Turkey , Kaya, Esma Erciyes University - Department of Pharmaceutical Microbiology, Turkey , Özbilge, Hatice Erciyes University - Department of Pharmaceutical Microbiology, Turkey , Kiliç, Kerem Erciyes University - School of Dentistry - Department of Prosthetic Dentistry, Turkey , Çölgeçen, Özlem Erciyes University - School of Dentistry - Department of Prosthetic Dentistry, Turkey
Abstract :
Background: When provisional restorations are worn for long term period, the adhesion of bacteriabecomes a primary factor in the development of periodontal diseases. The aims of this study were toevaluate the surface roughness and bacterial adhesion of four different provisional fixed prosthodonticmaterials. Methods: Ten cylindrical specimens were prepared from bis-acrylic composites (PreVISION CB and Protemp 3 Garant), a light-polymerized composite (Revotek LC), and a polymethyl methacrylate-based (Dentalon) provisional fixed prosthodontic materials. Surface roughness was assessed by profilometry. The bacterial adhesion test was applied using Porphyromonas gingivalis (P. gingivalis) and spectrofluorometric method. Statistical analysis was performed using ANOVA and Dunnett t-tests. Results: All tested materials were significantly rougher than glass (P 0.05). Revotek LC had the greatest fluorescence intensity, PreVISION and Protemp 3 Garant had moderate values and all of them had significantly more bacterial adhesion compared to glass (P 0.05). Dentalon had the lowest fluorescence intensity among the provisional fixed prosthodontic materials. Conclusion: The quantity of bacterial adhesion and surface roughness differed among the assessed provisional fixed prosthodontic materials. The light-polymerized provisional material Revotek LC had rougher surface and more bacterial adhesion compared with the others.
