一种基于阳离子聚合物-金属络合物的牙科粘接预处理剂及其使用方法

By forming a complex with a cationic polymer-metal complex and a demineralized dentin organic matrix, the problem of non-collagen proteins hindering adhesive penetration is solved, achieving adhesive penetration and collagen protection, and improving the durability and antibacterial properties of dentin bonding.

CN113648227BActive Publication Date: 2026-07-17ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG UNIV
Filing Date
2021-08-24
Publication Date
2026-07-17

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Abstract

本发明提供了基于阳离子聚合物‑金属络合物的牙科粘接预处理剂及其使用方法，属于口腔粘接技术领域。本发明将阳离子聚合物与功能性金属离子形成阳离子聚合物‑金属络合物，通过阳离子聚合物与脱矿牙本质有机基质中的羧基、磷酸根基团等负电基团通过静电作用形成复合物，破除由于非胶原蛋白强负电性形成的凝胶样结构，减少由此带来的对粘接过程中对粘接剂渗透的不利影响，而且形成的复合物薄膜覆盖于脱矿牙本质基质表面，对牙本质基质中的胶原提供保护，以增强其对外界刺激的抵抗性；络合的金属离子进一步赋予界面以抗菌、再矿化等性能，是一种可以从多角度改善牙本质粘接持久性的牙科粘接预处理剂。
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