Paul S J, Schärer P
Department of Fixed and Removable Prosthodontics and Dental Material Sciences, University of Zurich School of Dentistry, Switzerland.
J Oral Rehabil. 1997 Jan;24(1):8-14. doi: 10.1046/j.1365-2842.1997.00484.x.
Temporization of prepared teeth is needed for protection of the pulp and the restoration of the patients' aesthetic and functional needs. When zinc-oxyphosphate cement is used, eugenol-containing provisional cements are preferred because of their sedative effect to the pulp and because of their acceptable compressive strength. However, prior to definitive adhesive cementation with composite luting resins and dentine bonding agents the use of eugenol-containing provisional cements has to be considered critical because eugenol severely disturbs the polymerization of resinous materials. The purpose of this study was to compare shear bond strength values of various adhesive luting systems on dentine which had been in contact with various provisional cements prior to dentine bonding. The results show that the provisional cements which were used considerably decreased some of the bond strength values of the dentine bonding systems tested. Freegenol and Fermit, however, seem to have beneficial effects on the SBS values of Syntac and ART Bond. The only bonding system which produces acceptably high average SBS values with a eugenol-containing provisional cement was P-Bond.
为保护牙髓并恢复患者的美观和功能需求，需要对预备好的牙齿进行暂时修复。当使用磷酸锌水门汀时，含丁香酚的临时水门汀是首选，因为它们对牙髓有镇静作用且抗压强度可接受。然而，在用复合树脂粘结剂和牙本质粘结剂进行最终粘结之前，使用含丁香酚的临时水门汀被认为是关键问题，因为丁香酚会严重干扰树脂材料的聚合。本研究的目的是比较各种粘结系统在牙本质粘结前与各种临时水门汀接触后的牙本质上的剪切粘结强度值。结果表明，所使用的临时水门汀显著降低了一些测试的牙本质粘结系统的粘结强度值。然而，Freegenol和Fermit似乎对Syntac和ART Bond的SBS值有有益影响。唯一一种与含丁香酚的临时水门汀产生可接受的高平均SBS值的粘结系统是P-Bond。
