George S, Kuriakose S, Jayalatha N S
Dept. of Pedodontics, Govt. Dental College, Trivandrum.
J Indian Soc Pedod Prev Dent. 1996 Jun;14(2):52-5.
Amalgam remains unchallenged as a posterior restorative material. But its inability to bond to the teeth leads to some amount of microleakage at the restoration-tooth interface with associated problems such as post operative sensitivity, pulpal complications etc. Also a broken amalgam restoration requires replacement which will further weaken the tooth structure. Recently, 4-META has been introduced which can graft amalgam and composite to enamel, dentin and old amalgam restorations. In this study, the bonding and marginal sealing abilities of 4-META was assessed both at the tooth-amalgam interface and old amalgam fresh amalgam interface.
汞合金作为一种后牙修复材料仍然未受到挑战。但其无法与牙齿粘结，导致修复体与牙齿界面处出现一定程度的微渗漏，并伴有诸如术后敏感、牙髓并发症等相关问题。此外，破损的汞合金修复体需要更换，这会进一步削弱牙齿结构。最近，4 -甲基丙烯酸缩水甘油酯（4-META）已被引入，它可以将汞合金和复合材料粘结到釉质、牙本质及旧的汞合金修复体上。在本研究中，对4-META在牙齿与汞合金界面以及旧汞合金与新汞合金界面的粘结和边缘封闭能力进行了评估。
