Abstract
A composite was made by adsorption of the bisphosphonate [(3-dimethylamino-1-hydroxypropylidene)-1,1-bisphosphonate; dimethyl-APD] into an hydroxyapatite (HA) tube. Adsorbed dimethyl-APD did not change the bulk properties of the HA tube but the surface properties were altered. The amount of 0.1 mmol/L dimethyl-APD adsorbed into the HA tube was 0.78 ( ± 0.20) μg after 4 weeks. The composite tube of HA and dimethyl-APD placed after extraction of teeth in the premolar regions of dogs were biocompatible, stable and bonded strongly and intimately to the alveolar bone. Although there was no bone resorption around the composite tubes, no conclusion can be drawn yet from this study as far as local inhibition of alveolar bone resorption is concerned.
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Denissen, H., Kalk, W., Van Beek, E. et al. Composites of hydroxyapatite and bisphosphonate: properties and alveolar bone response. J Mater Sci: Mater Med 6, 35–40 (1995). https://doi.org/10.1007/BF00121245
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DOI: https://doi.org/10.1007/BF00121245