Effect of natural agents on the bond strength to eroded dentin

Effect of natural agents on the bond strength to eroded dentin

Objective This study evaluated the effect of bromelain and propolis extract on the bond strength (BS) of a universal adhesive system to eroded dentin. Materials and Methods Sixty human molars with exposed dentin were halved, with one half protected by composite resin and the other subjected to erosi...

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Bibliographic Details
Published in:Journal of esthetic and restorative dentistry Vol. 36; no. 5; pp. 770 - 777
Main Authors: Romano, Laryssa Karla, Soares, Eduardo José, Alves Amorim, Ayodele, Geng Vivanco, Rocio, Pires‐de‐Souza, Fernanda de Carvalho Panzeri
Format: Journal Article
Language:English
Published: Hoboken, USA John Wiley & Sons, Inc 01-05-2024
Blackwell Publishing Ltd
Subjects:
adhesion
adhesive system
Adhesives
Aging
bond strength
bromelain
Bromelains
Composite materials
Composite Resins - chemistry
Dental Bonding
Dentin
Dentin-Bonding Agents - chemistry
eroded dentin
Fractures
Humans
Materials Testing
Molars
Propolis
Propolis - pharmacology
Remineralization
Resin Cements - chemistry
Scanning electron microscopy
Tensile Strength
Tubules
eroded dentin
propolis
bond strength
adhesive system
adhesion
bromelain
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Summary:Objective This study evaluated the effect of bromelain and propolis extract on the bond strength (BS) of a universal adhesive system to eroded dentin. Materials and Methods Sixty human molars with exposed dentin were halved, with one half protected by composite resin and the other subjected to erosive treatment followed by remineralization. After the erosive treatment, the composite resin was removed, and the teeth were randomly assigned to three groups (n = 20): Adhesive‐Control System; Br‐10%; Pr‐16%. Following the treatments, composite resin blocks were built on the dentin surfaces and sticks of 0.9 mm2 were obtained and stored in distilled water at 37°C for 24 h and 6 months. After these periods, the sticks underwent bond strength testing and the data were analyzed using 2‐way ANOVA, Bonferroni test, p < 0.05. Fracture patterns were observed using light microscope and scanning electron microscopy. Results Irrespective of the substrate and aging duration, propolis demonstrated higher BS (p < 0.05) compared to the other treatments. Eroded dentin exhibited greater removal of the smear layer and dentinal tubules with a larger diameter than sound dentin, especially when treated with bromelain, resulting in the formation of resin tags. Conclusions Propolis consistently promoted the highest bond strength, irrespective of aging or substrate. Eroded dentin treated with propolis, or bromelain exhibited a higher prevalence of non‐adhesive fractures and resin tag formation. Clinical Significance Propolis shows promise for enhancing the longevity of adhesive restorations in eroded dentin due to its ability to promote high bond strength.
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ISSN:1496-4155
1708-8240
DOI:10.1111/jerd.13172