| 摘要 |
One aspect of the invention provides a convenient method for delivering a composition orally to a patient. The method utilizes teeth, either natural or artificial, including implants and dentures, and/or any modification to the teeth, such as, but not limited to, crowns, inlays, onlays and fillings. In some instances, such as with natural or artificial teeth, a void is made in the substrate, and the composition containing the desired chemical, preferably in a biodegradable, biocompatible gel, is placed in the void, where it is gradually released. In a variation, the composition is incorporated into a filling, a root canal treatment, the glaze of a crown or artificial tooth, or the plastic base of dentures.
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