Effect of Salvadora persica on resin-dentin bond stability
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Date
2024-04
Journal Title
Journal ISSN
Volume Title
Type
Article
Publisher
BioMed Central Ltd
Series Info
BMC oral health;Volume 24, Issue 1, Pages 50529 April 2024
Scientific Journal Rankings
Abstract
Background The stability of resin–dentin interfaces is still highly questionable. The aim of this study was to evaluate
the effect of Salvadora persica on resin–dentin bond durability.
Materials and methods Extracted human third molars were used to provide mid-coronal dentin, which was
treated with 20% Salvadora persica extract for 1 min after acid-etching. Microtensile bond strength and interfacial
nanoleakage were evaluated after 24 h and 6 months. A three-point flexure test was used to measure the stiffness of
completely demineralized dentin sticks before and after treatment with Salvadora persica extract. The hydroxyproline
release test was also used to measure collagen degradation by endogenous dentin proteases. Statistical analysis
was performed using two-way ANOVA followed by post hoc Bonferroni test and unpaired t-test. P-values<0.05 were
considered statistically significant.
Results The use of Salvadora persica as an additional primer with etch-and-rinse adhesive did not affect the
immediate bond strengths and nanoleakage (p>0.05). After 6 months, the bond strength of the control group
decreased (p=0.007), and nanoleakage increased (p=0.006), while Salvadora persica group showed no significant
difference in bond strength and nanoleakage compared to their 24 h groups (p>0.05). Salvadora persica increased
dentin stiffness and decreased collagen degradation (p<0.001) compared to their controls.
Conclusion Salvadora persica extract pretreatment of acid-etched dentin preserved resin–dentin bonded interface
for 6 months.
Clinical significance Durability of resin-dentin bonded interfaces is still highly questionable. Endogenous dentinal
matrix metalloproteinases play an important role in degradation of dentinal collagen within such interfaces. Salvadora
persica may preserve resin-dentin interfaces for longer periods of time contributing to greater clinical success and
longevity of resin composite restorations.
Description
Keywords
Natural crosslinker, Salvadora Persica, Microtensile bond strength, Dentin stiffness, Enzymatic degradation