PolyurethanesElastomersSilicone ElastomersIsocyanatesDecanoatesSiliconesDimethylpolysiloxanesToluene 2,4-DiisocyanateBiocompatible MaterialsMaterials TestingMaxillofacial ProsthesisImplants, ExperimentalCastor OilPolyestersCyanatesDental Enamel SolubilityResins, SyntheticTensile StrengthForeign-Body Reaction