Andreevski, Aleksandar and Kovacevska, Ivona (2020) Discoloration of nano composite resin by everyday drinks:in vitro study. Knowledge - International Journal Scientific Papers. ISSN 1857-923X / 2545-4439 (print) (In Press)
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Abstract
The everyday consumption of various drinks has immediate affect on the composite resin materials extrinsic look. This changes mainly manifest as a change in the aesthetic appearance of human teeth which is why thru scientific researches we need to eliminate the possibility of such discolorations. For this research were made 30 discs of nano composite resin material Artiste, 2 mm thick and 15 mm in diameter. As colorants were used drinks like red wine, coca cola, filter coffee, aronia tea and distilled water as control group. Three color measurements were made by spectrophotometer X-RITE RM 200 which results will be used as basic, middle and final discoloration change on the composite discs. The results were evaluated thru the CIE L*a*b* system for colorimetric analysis which specified the warm colorants lead to rather bigger discolorations than the ones used on room temperature. The biggest discoloration was noticed in tea (ΔE*=31,83) followed by coffee (ΔE*=23,23) and wine (ΔE*=19,11). Coca cola (ΔE*=0,28) was the only colorant that did not cross the clinically acceptable threshold of Δ2.7. Within the limitations of this study was acknowledged that some everyday drinks have rather bigger discoloration effect on the composite resin materials than others.
Keywords: nano composite resin, colorants, discolorations, spectrophotometer
| Item Type: | Article |
|---|---|
| Subjects: | Medical and Health Sciences > Clinical medicine |
| Divisions: | Faculty of Medical Science |
| Depositing User: | Ivona Kovacevska |
| Date Deposited: | 02 Oct 2020 08:18 |
| Last Modified: | 02 Oct 2020 08:18 |
| URI: | https://eprints.ugd.edu.mk/id/eprint/24496 |
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