de Almeida Bernardo Cesar Sanmartin, de Almeida Rui Sanmartin
Centro de Estudos Odontológicos Av, Barra da Tijuca, Rio de Janeiro, Brazil.
Pract Proced Aesthet Dent. 2008 Sep;20(8):507-11; quiz 512.
With the evolution of bonding systems, various techniques have been proposed to reduce polymerization shrinkage and postoperative sensitivity in posterior direct resin restorations. It has been noted that the result could be improved using various layers, due to the contractions that occur proportionally to the quantity of material and the intensity of the curing light during polymerization. This article reviews the use of small, prepolymerized composite resin pearls or inserts compressed against the surface of the tooth wall to reduce the volume to be polymerized. The use of resin pins enables superior bonding to the dental structure, incrementing the marginal adaptation and reducing postoperative sensitivity.
随着粘结系统的发展，人们提出了各种技术来减少后牙直接树脂修复中的聚合收缩和术后敏感性。已经注意到，由于在聚合过程中与材料数量和固化光强度成比例发生的收缩，使用不同的层可以改善结果。本文综述了使用小型预聚合复合树脂珠或嵌体压在牙壁表面以减少聚合体积的方法。使用树脂桩能够更好地粘结到牙齿结构上，增加边缘适应性并降低术后敏感性。
