title: Adsorption of N-(2-hydroxy-3-methacryloxypropyl)-N-phenylglycine (NPG-GMA) on cupric ion-enriched hydroxyapatite surface to improve chemical bonding between dental resins and teeth.
abstract: In continued studies of chemical bonding between a polymer and teeth through the mediation of coupling agents, the absorption of N-(2-hydroxy-3-methacryloxypropyl)-N-phenylglycine (NPG-GMA) from ethanol solution was studied on cupric ion-treated synthetic hydroxyapatite in order to discriminate the adsorptive behaviour of the 'mordanted' as against the unmordanted (or pure) apatite. All features of the adsorption isotherm, however, agree with those of the isotherm obtained on pure hydroxyapatite. Also, polymer filled with cupric ion-treated hydroxyapatite coated with the irreversibly adsorbed NPG-GMA has a tensile strength comparable to that of the polymer filled with NPG-GMA coated pure hydroxyapatite.
mesh_terms: D000179:Acrylates; D000327:Adsorption; D003300:Copper; D001840:Dental Bonding; D005998:Glycine / Q000031:analogs & derivatives; D006882:Hydroxyapatites; D008689:Methacrylates; D013499:Surface Properties; D013718:Tensile Strength
chemical_list: D000179:Acrylates; D006882:Hydroxyapatites; D008689:Methacrylates; C008691:NPG-GMA; D003300:Copper; D005998:Glycine