Effect of Soft Drink on Surface Roughness of Preheated and Non-Preheated Nanohybrid Composite Resins

  • Dewi Liliany Department of Dental Material, Faculty of Dentistry, Trisakti University, Indonesia
  • Vanya Violetta Undergraduate Student, Faculty of Dentistry, Trisakti University


Introduction: Nanohybrid composite resins exhibit a smooth surface due to the presence of small filler particles.  Surface roughness is affected by the low pH of soft drinks.  A rough surface leads to bacterial adhesion and plaque accumulation, inducing secondary caries.  Preheating involves the heating of the composite resin before application, which in turn enhances its properties.  Objective: To analyze the difference in the surface roughness of preheated and non-preheated nanohybrid composite resins before and after immersion in soft drinks. Methods: Cylindrical samples of nanohybrid composite resin Filtek™ Z250 XT (10 mm in diameter and 2 mm in height) were prepared and divided into two groups: preheated and non-preheated.  For samples in the preheated group, the composite resin was heated using a Micerium SpA heater.  All samples were immersed in 10 mL of the soft drink for 2 h per day for 15 days.  Surface roughness was measured before immersion and at 12 and 15 days of immersion using the Surface Roughness Tester Taylor Hobson S100 Series.  Results: The surface roughness changed at every measurement in each group.  Significant differences in the surface roughness of the non-preheated group of the preheated group after 12 days of immersion were not observed. However, a significant difference in the surface roughness of the preheated group after 15 days of immersion was observed.  Conclusion: Soft drinks significantly affect the surface roughness of preheated nanohybrid composite resins after 15 days of immersion.


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How to Cite
LILIANY, Dewi; VIOLETTA, Vanya. Effect of Soft Drink on Surface Roughness of Preheated and Non-Preheated Nanohybrid Composite Resins. Journal of Indonesian Dental Association, [S.l.], v. 3, n. 2, p. 83-87, oct. 2020. ISSN 2621-6175. Available at: <http://jurnal.pdgi.or.id/index.php/jida/article/view/500>. Date accessed: 02 dec. 2020. doi: https://doi.org/10.32793/jida.v3i2.500.
Research Article