Polyphenol-enriched extract incorporated into a total-etch adhesive system: Effect on water sorption and solubility, extract compound release and dentin enzymatic activity over time

This study evaluated water sorption, solubility and compound release of 2.5% Arrabidaea chica polyphenolic extract (Ac) incorporated into the primer of a total-etch adhesive system; and dentin metalloproteinases inhibition when using Ac as dentin pretreatment in aqueous solution or incorporated eith...

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Bibliographic Details
Published in:International journal of adhesion and adhesives 2022-03, Vol.113, p.103067, Article 103067
Main Authors: Fonseca, Isabelle Silveira, Casarotto, Rafael, Bridi, Enrico Coser, Basting, Rosanna Tarkany, França, Fabiana Mantovani Gomes, Turssi, Cecilia Pedroso, Amaral, Flávia Lucisano Botelho do, Sousa, Ilza Maria de Oliveira, Foglio, Mary Ann, Basting, Roberta Tarkany
Format: Article
Language:English
Subjects:
Adhesive system
Adhesives
Aqueous solutions
Dentin
Evaluation
Fluorescence
Hybrid layer
Metalloproteinases
Phosphoric acid
Pretreatment
Solubility
Sorption
Water sorption
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Summary:This study evaluated water sorption, solubility and compound release of 2.5% Arrabidaea chica polyphenolic extract (Ac) incorporated into the primer of a total-etch adhesive system; and dentin metalloproteinases inhibition when using Ac as dentin pretreatment in aqueous solution or incorporated either into acid or adhesive system primer. Adhesive system discs (Adper Scotchbond Multipurpose/3 M Oral Care/SB) with and without Ac were prepared (n = 10) for water sorption, solubility and compound release. Concentration of extract released in water was evaluated at 1, 3, 7, 14, 28, 36 days immersion. Dentin-resin interfaces were prepared for zymography analysis (control (SB); dentin pretreatment with water; dentin pretreatment with 2.5% Ac aqueous solution; Ac incorporated into phosphoric acid; Ac incorporated into SB primer) and assessed for in situ zymography tests after 24-h and 6-month storage. Primer incorporated with Ac showed lower water sorption (p = 0.0102) and solubility (p = 0.0065) than non-incorporated. Ac release was observed at third and seventh days (p = 0.0031). There was no significant difference between treatments (p = 0.4298) either immediately or after 6 months regarding relative fluorescence unit means among groups, and these means decreased after 6 months (p 
ISSN:0143-7496
1879-0127
DOI:10.1016/j.ijadhadh.2021.103067