Demineralization capacity of commercial 10-methacryloyloxydecyl dihydrogen phosphate-based all-in-one adhesive

Dental Materials : Official Publication of the Academy of Dental Materials
Kou Fujita NakajimaN Nishiyama

Abstract

We determined the amounts of calcium salt of 10-methacryloyloxydecyl dihydrogen phosphate (MDP-Ca salt) and dicalcium phosphate dihydride (DCPD) with an amorphous phase developed during the application of commercial MDP-based all-in-one adhesives to enamel and dentin. This is because the demineralization by MDP and following calcium salt formation of MDP may be limited by an ionic bond formation of MDP to hydroxyapaptite in the enamel and dentin and following intermediary layer formation of MDP, since MDP forms a chemically-stable adsorption layer. Scotchbond Universal Adhesive, Clearfil Tri-S Bond ND, Clearfil Tri-S Bond ND Quick, G-Bond Plus and our designed MDP-based all-in-one adhesive were used. Enamel and dentin reactant residues of each adhesive were prepared by varying the adhesive application periods: 1, 30 and 60min, and were analyzed using phosphorous-31 nuclear magnetic resonance and X-ray diffraction. Increasing the adhesive application period to enamel and dentin led to the increased amount of MDP-Ca salt in contrast to amorphous DCPD. In the dentin, each adhesive showed a saturated value on the production amount of MDP-Ca salt when the adhesive was applied more than 30min. In contrast, in the enamel, each adhesiv...Continue Reading

Citations

Jan 24, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Anna Zecin-DerenBarbara Lapinska
Jun 20, 2021·Dental Materials : Official Publication of the Academy of Dental Materials·António H S DelgadoAnne M Young

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