2019
DOI: 10.1016/j.dental.2019.05.023
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Impact of shelf-life simulation on bonding performance of universal adhesive systems

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Cited by 21 publications
(26 citation statements)
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“…All have phosphated acid monomers in their composition and are considered 'ultra mild' based on their pH (SBU: pH=2.7; FTU: pH=2.5 and TET: pH=2.5-3.0) (13,1), which makes them capable of demineralizing and diffusing in the dentin, forming a hybrid layer that is more stable to hydrolytic degradation due to changes in their chemical composition (11). The phosphated functional monomers in their composition chemically interact with hydroxyapatite forming hydrolytic and more stable bonds with calcium (14,15,16). It is reported that adhesive systems containing MDP phosphated monomers chemically interact with hydroxyapatite forming 10-MDP-Ca salts that have low solubility, better resistance to hydrolysis, and are more stable.…”
Section: Discussionmentioning
confidence: 99%
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“…All have phosphated acid monomers in their composition and are considered 'ultra mild' based on their pH (SBU: pH=2.7; FTU: pH=2.5 and TET: pH=2.5-3.0) (13,1), which makes them capable of demineralizing and diffusing in the dentin, forming a hybrid layer that is more stable to hydrolytic degradation due to changes in their chemical composition (11). The phosphated functional monomers in their composition chemically interact with hydroxyapatite forming hydrolytic and more stable bonds with calcium (14,15,16). It is reported that adhesive systems containing MDP phosphated monomers chemically interact with hydroxyapatite forming 10-MDP-Ca salts that have low solubility, better resistance to hydrolysis, and are more stable.…”
Section: Discussionmentioning
confidence: 99%
“…Varied results are found in the literature (19,21,15). One study (22) reported that dentin conditioning had no negative impact on adhesion.…”
Section: Discussionmentioning
confidence: 99%
“…The concept provided more choices regarding the adhesion strategy; self-etch, total-etch or selective enamel-etch mode (total-etch on enamel and self-etch on dentin) [11,12]. However, a hurdle is presented when formulating universal adhesives, since water, which might be needed inside adhesive systems, may lead to the degradation of the chemical formulation of these systems, contributing to phase separation and reducing shelf life [13].…”
Section: Introductionmentioning
confidence: 99%
“…Recently, problems related to the conservation of the bonding agent have been emphasized, being liable to hydrolysis or difficulty in the polymerization of the monomers, degradation of the additive components (initiators/stabilizers), or evaporation of the ingredients [6,7]. While on one side the manufacturers specify to strictly follow the recommendations related to the storage instructions of the materials (temperatures, heat sources, bottle security), on the other side, failure to observe the expiry dates of the products can lead to premature deterioration of the adhesive performances [3,8]. Usually, the manufacturers of the adhesive systems provide a two-year expiry time for the products, after which they foresee a risk of physical-chemical compromise, which could prematurely invalidate their adhesive capacity [8].…”
Section: Introductionmentioning
confidence: 99%
“…While on one side the manufacturers specify to strictly follow the recommendations related to the storage instructions of the materials (temperatures, heat sources, bottle security), on the other side, failure to observe the expiry dates of the products can lead to premature deterioration of the adhesive performances [3,8]. Usually, the manufacturers of the adhesive systems provide a two-year expiry time for the products, after which they foresee a risk of physical-chemical compromise, which could prematurely invalidate their adhesive capacity [8].…”
Section: Introductionmentioning
confidence: 99%