牙科用粘结性复合材料与牙体组织的粘结强度
Bond strength of adhesive composites to dental substrates.
作者信息
Berry E A, Powers J M
机构信息
Department of Oral Biomaterials, University of Texas Houston Health Science Center, Dental Branch.
出版信息
J Prosthodont. 1994 Sep;3(3):126-9. doi: 10.1111/j.1532-849x.1994.tb00141.x.
PURPOSE
The purpose of this study was to evaluate the in vitro bond strength of adhesive and traditional composites to several materials that might be encountered in clinical practice.
MATERIALS AND METHODS
An adhesive composite, an adhesive composite with a bonding agent, and a traditional composite with a bonding agent were bonded to enamel, dentin, amalgam, porcelain, and nickel-chromium-beryllium (Ni-Cr-Be) alloy. Tensile bond strengths were determined after 24 hours storage at 23 degrees C or thermocycling.
RESULTS
The use of an adhesive composite with a bonding agent resulted in increased bond strength to amalgam, porcelain, and dentin, but not to enamel or Ni-Cr-Be alloy at 23 degrees C, when compared with the adhesive composite alone. The adhesive composite with a bonding agent had higher bond strengths to amalgam, porcelain, and dentin than did the traditional composite with bonding agent, but not to enamel or Ni-Cr-Be alloy at 23 degrees C.
CONCLUSIONS
The use of a bonding agent with an adhesive composite produced higher bond strengths than the adhesive composite alone. The traditional composite bonded better to enamel and Ni-Cr-Be alloy than did the adhesive composite. Thermocycling generally had no effect on bond strengths or increased them slightly.
目的
本研究的目的是评估粘结性复合材料和传统复合材料与临床实践中可能遇到的几种材料的体外粘结强度。
材料与方法
将一种粘结性复合材料、一种含粘结剂的粘结性复合材料以及一种含粘结剂的传统复合材料粘结到釉质、牙本质、银汞合金、陶瓷和镍铬铍（Ni-Cr-Be）合金上。在23℃下储存24小时或进行热循环后测定拉伸粘结强度。
结果
与单独的粘结性复合材料相比，含粘结剂的粘结性复合材料在23℃时与银汞合金、陶瓷和牙本质的粘结强度增加，但与釉质或Ni-Cr-Be合金的粘结强度未增加。含粘结剂的粘结性复合材料与银汞合金、陶瓷和牙本质的粘结强度高于含粘结剂的传统复合材料，但在23℃时与釉质或Ni-Cr-Be合金的粘结强度并非如此。
结论
含粘结剂的粘结性复合材料比单独的粘结性复合材料产生更高的粘结强度。传统复合材料与釉质和Ni-Cr-Be合金的粘结比粘结性复合材料更好。热循环通常对粘结强度没有影响或使其略有增加。
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