Effects of non-thermal atmospheric plasma treatment on dentin wetting and surface free energy for application of universal adhesives

Clinical Oral Investigations
Jovana N StasicVesna Miletic

Abstract

The study aims to evaluate the effects of non-thermal atmospheric plasma (NTAP) treatments on dentin wetting and surface free energy (SFE) and compare the effects of NTAP treatment, etch-and-rinse, and self-etch protocols for application of universal adhesives. Mid-coronal dentin of intact third molars was used to measure contact angles of distilled water, ethylene-glycol, and diiodomethane and calculate SFE following different NTAP preset treatments (feeding gas consisting of pure He, He + 1% O2, He + 1.5% O2), power input (1 or 3 W), and tip-to-surface distance (2, 4, or 8 mm). Contact angles of reference liquids and SFE of dentin following He + 1.5% O2 at 3-W and 4-mm treatment was compared to phosphoric acid etching. Contact angles of Single Bond Universal (SBU; 3M ESPE) and Clearfil Universal Bond (CUB; Kuraray Noritake) were measured following NTAP, etch-and-rinse, and self-etch protocols. NTAP significantly reduced contact angles of reference liquids and increased dentin SFE compared to untreated dentin (p < 0.05). O2 intensified the effect of He NTAP (p < 0.05). NTAP and phosphoric acid increased dentin polarity and Lewis base surface characteristics. Phosphoric acid increased contact angles of adhesives compared to the...Continue Reading

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Citations

Feb 6, 2020·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Giuma AyoubDjordje Janackovic
Sep 18, 2020·Biomaterial Investigations in Dentistry·Hamid KermanshahLadan Ranjbar Omrani
Dec 26, 2019·Journal of Lasers in Medical Sciences·Niusha GolbariSeyed Masoud Mojahedi
Aug 10, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Henrico Badaoui Strazzi-SahyonPaulo Henrique Dos Santos

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