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Antibacterial and Bonding Properties of Universal Adhesive Dental Polymers Doped with Pyrogallol

Kharouf, Naji ; Eid, Ammar ; Hardan, Louis ; Bourgi, Rim ; Arntz, Youri ; Jmal, Hamdi ; Foschi, Federico ; Sauro, Salvatore ; Ball, Vincent ; Haikel, Youssef ; Mancino, Davide

Polymers, 2021-05, Vol.13 (10), p.1538 [Periódico revisado por pares]

Switzerland: MDPI AG

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  • Título:
    Antibacterial and Bonding Properties of Universal Adhesive Dental Polymers Doped with Pyrogallol
  • Autor: Kharouf, Naji ; Eid, Ammar ; Hardan, Louis ; Bourgi, Rim ; Arntz, Youri ; Jmal, Hamdi ; Foschi, Federico ; Sauro, Salvatore ; Ball, Vincent ; Haikel, Youssef ; Mancino, Davide
  • Assuntos: Adhesive strength ; Adhesives ; antibacterial activity ; Antioxidants ; Bond strength ; Bonding strength ; Chemical Sciences ; Dentin ; Enamel ; Flavonoids ; Morphology ; Polymers ; polymer–dentin interface ; Polyphenols ; pyrogallol ; universal adhesive
  • É parte de: Polymers, 2021-05, Vol.13 (10), p.1538
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    These authors contributed equally to this work.
  • Descrição: This study investigated the antibacterial activity, bond strength to dentin (SBS), and ultra-morphology of the polymer-dentin interface of experimental adhesive systems doped with pyrogallol (PY), which is a ubiquitous phenolic moiety that is present in flavonoids and polyphenols. A universal adhesive containing 4-META and 10-MDP was used in this study. PY behaves as an antioxidant and anti-cancerogenic agent and it was incorporated into the adhesive at different concentrations (0.5 and 1 wt.%). The antibacterial activity and SBS were analyzed and the results were statistically analyzed. The ultra-morphology of the polymer-dentin interface was assessed using scanning electron microscopy (SEM). At 24 h, a lower antibacterial activity was observed for the control adhesive compared to those with 0.5% and 1% PY. No difference was seen in SBS between the three groups at 24 h. After 6 months, the SBS of the 0.5% PY adhesive was significantly lower than the other tested adhesives. The specimens created with 1% PY adhesive presented a higher bond strength at six months compared with that found at 24 h. No morphological differences were found at the polymer-dentin interfaces of the tested adhesives. Pyrogallol may be incorporated into modern universal adhesive systems to preserve the polymer-dentin bonding interface and confer a certain degree of antibacterial activity.
  • Editor: Switzerland: MDPI AG
  • Idioma: Inglês;Francês
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