Effect of Plasma Treatment on Root Canal Sealers’ Adhesion to Intraradicular Dentin—A Systematic Review

Ferreira, Inês; Lopes, C.; Ferreira, Armando; Vaz, F.; Pina‐Vaz, Irene; Martín‐Biedma, Benjamín

doi:10.3390/app13158655

Cited by 3 publications

(2 citation statements)

References 41 publications

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“…A previous study proposed a novel approach to increase the antibiofilm efficacy of GP, modifying its surface by using Argon (Ar) plasma treatment (PT), followed by the deposition of a ZnO thin film [ 14 ]. PT has several applications, and one of the most used is directly related to the modification and functionalization of the materials’ surfaces [ 15 , 24 , 25 ], in a controlled, reproducible, and homogeneous way without changing the main properties of the bulk material [ 25 – 28 ].…”

Section: Introductionmentioning

confidence: 99%

Nanostructured ZnO thin film to enhance gutta-percha’s adhesion to endodontic sealers

Ferreira,

Lopes,

Ferreira

et al. 2024

BMC Oral Health

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Background Gutta-percha (GP) combined with an endodontic sealer is still the core material most widely used for tridimensional obturation. The sealer acts as a bonding agent between the GP and the root dentinal walls. However, one of the main drawbacks of GP core material is the lack of adhesiveness to the sealer. ZnO thin films have many remarkable features due to their considerable bond strength, good optical quality, and excellent piezoelectric, antibacterial, and antifungal properties, offering many potential applications in various fields. This study aimed to explore the influence of GP surface’s functionalization with a nanostructured ZnO thin film on its adhesiveness to endodontic sealers. Methods Conventional GP samples were divided randomly into three groups: (a) Untreated GP (control); (b) GP treated with argon plasma (PT); (c) Functionalized GP (PT followed by ZnO thin film deposition). GP’s surface functionalization encompassed a multi-step process. First, a low-pressure argon PT was applied to modify the GP surface, followed by a ZnO thin film deposition via magnetron sputtering. The surface morphology was assessed using SEM and water contact angle analysis. Further comprehensive testing included tensile bond strength assessment evaluating Endoresin and AH Plus Bioceramic sealers’ adhesion to GP. ANOVA procedures were used for data statistical analysis. Results The ZnO thin film reproduced the underlying surface topography produced by PT. ZnO thin film deposition decreased the water contact angle compared to the control (p < 0.001). Endoresin showed a statistically higher mean bond strength value than AH Plus Bioceramic (p < 0.001). There was a statistically significant difference between the control and the ZnO-functionalized GP (p = 0.006), with the latter presenting the highest mean bond strength value. Conclusions The deposition of a nanostructured ZnO thin film on GP surface induced a shift towards hydrophilicity and an increased GP’s adhesion to Endoresin and AH Bioceramic sealers.

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Section: Introductionmentioning

confidence: 99%

Nanostructured ZnO thin film to enhance gutta-percha’s adhesion to endodontic sealers

Ferreira,

Lopes,

Ferreira

et al. 2024

BMC Oral Health

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“…While there was no consensus about the effect of non-thermal plasma (NTP) on the AH Plus sealer's adhesion to radicular dentin, NTP seemed to positively influence the adhesion ability of BioRoot RCS and Endosequence BC. However, the authors recommended cautiously interpreting these findings due to the scarcity of studies on the topic [15].…”

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confidence: 99%

Special Issue on Dental Materials: Latest Advances and Prospects—Volume II

Checchi

2023

Applied Sciences

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Impact of DBD Plasma Jet Treatment on the Enamel Surface of Primary Teeth

Kwiatkowski,

Pawłat,

Starek-Wójcicka

et al. 2024

Materials

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The impact of cold atmospheric plasma (CAP) treatment on the enamel of twelve primary teeth (incisors, canines, and molars) collected from six children was examined in order to evaluate the possibility of using the CAP technique in dental applications. A radio-frequency dielectric barrier discharge (DBD) plasma jet operating at a voltage of 3.25 kV using a mixture of helium and oxygen as the working gas was used for the generation of plasma as part of the electro-technological method for the treatment of biological material. The plasma exposure time for the primary teeth was 5, 10, and 20 min. The properties of tooth enamel (color, contact angles, surface roughness, surface topography, elemental composition) were examined before (control) and after the plasma treatment. As shown by the results, the plasma treatment time is a key parameter that can induce desired features, such as whitening or improved wettability. However, with prolonged plasma treatment (20 min), the enamel surface may be permanently damaged. The cold-plasma-treated samples were characterized by a higher value of the brightness L* parameter and thus a lighter color, compared to the CAP-untreated teeth. It was also evidenced that the plasma treatment increased the hydrophilicity of tooth surfaces, and the contact angles effectively decreased with the time of the CAP treatment. The tooth surface also became much more heterogeneous and rough with much greater amplitudes in heights. The surface of the primary teeth after the CAP treatment lost its homogeneity, as evidenced by the SEM micrographs. The analysis of the elemental composition revealed only minor changes after the plasma process, which may suggest that the observed morphological changes in the enamel surface are mainly physical and are not a consequence of chemical reactions between the enamel and the reactive components of the cold plasma. Plasma treatment of teeth opens up new possibilities of using this method as an alternative to whitening or pre-treatment before other dental procedures.

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Effect of Plasma Treatment on Root Canal Sealers’ Adhesion to Intraradicular Dentin—A Systematic Review

Cited by 3 publications

References 41 publications

Nanostructured ZnO thin film to enhance gutta-percha’s adhesion to endodontic sealers

Nanostructured ZnO thin film to enhance gutta-percha’s adhesion to endodontic sealers

Special Issue on Dental Materials: Latest Advances and Prospects—Volume II

Impact of DBD Plasma Jet Treatment on the Enamel Surface of Primary Teeth

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