戊二醛与酚醛树脂塑化剂基本特性的实验观察  

Experimental study of the basic properties of glutaraldehyde and phenolaldehyde resinifying agent

作　　者：李哲光[1] 郑平频[1] 黄志刚[1] 游士奇[1] 

机构地区：[1]宁波市第一医院

出　　处：《宁波医学》1996年第5期255-257,共3页

摘　　要：实验显示戊二醛塑化剂（ＧＲ）具有与甲塑化剂（ＦＲ）相同的塑化作用和抑菌作用，在封闭条件下没有体积改变，溶于水中的程度也相似。表明ＧＲ可替代ＦＲ作为塑化治疗用药，以避免甲醛的致畸变、致癌变等毒性对患者造成的损害。ＧＲ的固化速度慢于ＦＲ，但可通过增加催化剂──氢氧化钠来调节。未塑化的ＧＲ对组织造成的损害主要为组织坏死，而ＦＲ主要为组织变性，前者的修复慢于后者，因此在临床应用中要特别注意避免ＧＲ渗出到根尖孔外。Experimental results showed glutaraldehyde resinifying agent had some important properties,Such as ability of resinifying the living tissue, filling the root canal and sealing the apical foramen and accessary canal satisfactorily no volume change after filling and its stronge bacteriostasis.These properties were consistent with basic requirement of resinifying therapy.The solidified time of GR might be adjusted to suit clinical use by concentration of sodium hydroxide. Results suggested glutaraldehyde may substitute formaldehyde of phenolaldehyde resifying agent which were used popuiarly.

关 键 词：戊二醛 甲醛 酚醛树脂 塑化剂 特性 实验 

分 类 号：R988.2[医药卫生—药品]