申请人:The United States of America as represented by the Secretary of the
公开号:US04362510A1
公开(公告)日:1982-12-07
Cementitious dental compositions suitable for use as luting agents, sedative and insulating bases, temporary and long term restoratives, endodontic sealants, pulp capping materials, tissue packs, impression pastes and adhesives for dental composites and hard tissues comprising a solid phase which includes a metal oxide or hydroxide of tin or a Group II metal and a liquid phase which includes a chelating compound, the chelating compound being an ester of a vanillic acid moiety in which the ester is the product of a reaction of one of an alcohol, a polyhydric alcohol or a polyalkylene glycol and at least one of either vanillic acid or its isomers or homoloynes. The compositions may additionally contain a second chelating compound, Al.sub.2 O.sub.3, an hydrogenated rosin, polymeric materials and polymerizable monomeric materials.
适用于牙科粘接剂、镇静和绝缘基、临时和长期修复剂、根管封闭剂、髓膜覆盖材料、组织包、印模膏和牙科复合材料和硬组织的粘合剂的胶凝性牙科组合物,包括固相和液相。固相包括锡的氧化物或氢氧化物或第二组金属的氧化物或氢氧化物。液相包括螯合化合物,螯合化合物是一种香草酸基团的酯,其中酯是醇、多元醇或聚醚和香草酸或其异构体或同系物之一反应的产物。该组合物还可以含有第二种螯合化合物、Al.sub.2O.sub.3、氢化松香、聚合材料和聚合单体材料。