Influence of Energy and Soft Drinks on the Surface and Mechanical Properties of Nanofilled Composite Resin

Ayman M. AlGhamdi^1, , Aead M. Algarni², Rayan M. Eskandrani³ and Khulud F. Alazmi⁴

¹Department of Restorative Dentistry, Ministry of Health, AlBaha, Saudi Arabia

²Department of Restorative Dentistry, Ministry of Health, Asir, Saudi Arabia

³Department of Restorative Dentistry, Ministry of Health, Riyadh, Saudi Arabia

⁴Department of Orthodontist, Riyadh Elm University, Riyadh, Saudi Arabia

Cite this paper:
Ayman M. AlGhamdi, Aead M. Algarni, Rayan M. Eskandrani and Khulud F. Alazmi. Influence of Energy and Soft Drinks on the Surface and Mechanical Properties of Nanofilled Composite Resin. International Journal of Dental Sciences and Research. 2019; 7(2):44-48. doi: 10.12691/ijdsr-7-2-4

Abstract

Aim: To evaluate the effect of energy drinks (Redbull and Bison) and soft drinks (CocaCola and 7 Up) on the surface roughness (SR) and microhardness (MH) of Filtek Z350 nanofilled composite resin. Materials and methods: A total of 60 disk-shaped specimens were prepared from Filtek Z350 XT restorative material and randomly allocated to 5 groups (n=12). The specimens were stored in petri dish containing Redbull (Group 1); Bison (Group 2); Coca-Cola (Group 3); 7 Up (Group 4) and distilled water (Group 5/Control). The SR and hardness of the composite specimens were determined after 24 hours (n=6) and 28 d (n=6) of storage in energy and soft drinks. SR (in Ra) was measured using a non-contact optical profilometer and MH (VHN) was tested using hardness tester equipped with a Vickers diamond indenter. The data obtained was analyzed using SPSS v.20 statistical analysis software. The data was analyzed using Wilcoxon sign rank test. A P < 0.05 was considered as statistically significant. Result: Group Redbull showed maximum SR at 28 days (0.30 ± 0.11) followed by Bison at 28 days (0.21 ± 0.09). MH test results showed specimens in distilled water with increased MH at 24 hours (114 ± 9.4). The least MH was seen in Redbull (85 ± 12.3) at 28 days. Conclusion: The energy drinks have a substantially damaging effect on SR and MH compared to soft drinks and distilled water; and these effects are increased with duration of exposure.

Keywords:
resin composites nanocomposite surface roughness (SR) microhardness (MH) energy drinks soft drink

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