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Invention Grant
US08382476B2 Dental retraction composition, production thereof and use of a powder jet device for dental retraction 失效
牙科回缩组合物，其制备和使用用于牙科收缩的粉末喷射装置

Dental retraction composition, production thereof and use of a powder jet device for dental retraction
Abstract:
The invention relates to a dental composition comprising a hardenable powder to be used in a process for retraction of dental tissue. The invention also relates to a kit of parts comprising the dental composition comprising a hardenable powder, a hardening agent, optionally a handpiece of a powder jet device, optionally a powder jet device, and optionally retraction caps. In a further aspect, the invention relates to a method for retracting dental tissue comprising the steps of applying a dental composition comprising a hardenable powder with a powder jet device into the sulcus between soft and hard dental tissue, applying a composition comprising a hardening agent either before or after the previous step, leaving the dental composition in the sulcus for a time sufficient to effect retraction of the soft dental tissue and removing the dental composition from the sulcus.
Abstract(Chinese):

本发明涉及一种牙科用组合物，其包括用于牙科组织退缩的方法中的可硬化粉末。 本发明还涉及包含牙科用组合物的试剂盒，其包含可硬化粉末，硬化剂，任选的粉末喷射装置的手持件，任选的粉末喷射装置和任选的缩回帽。 另一方面，本发明涉及一种用于收回牙科组织的方法，包括以下步骤：将包含可粉化粉末的牙科组合物用粉末喷射装置施用到软和硬牙齿组织之间的沟中，施加包含硬化剂的组合物 在前一步骤之前或之后，将牙科组合物留在龈沟中足以使软牙组织退缩并从牙沟中除去牙科组合物的时间。

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