An experimental study of the colour changes in composite resins.

Stoma (Lisbon, Portugal) Pub Date : 1989-01-01
J Suárez Quintanilla, L A Segade
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Abstract

The composite resins are the most frequently materials employed in restorative odontology. One of the shortcomings is the colour stability. Several workers have reported that colour changes can be considerably avoided with use of photo-polymerized composite resins. However, the present investigation demonstrates that several agents, such as coffee, tea and cola, stain photo-polymerized composite resin samples. The maximum staining was observed in the case of coffee followed by tea, cola being the less chromatic agent of the three.

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复合树脂颜色变化的实验研究。
复合树脂是口腔修复中最常用的材料。缺点之一是颜色不稳定。一些工人报告说,使用光聚合复合树脂可以大大避免颜色变化。然而,目前的研究表明,咖啡、茶和可乐等几种试剂会污染光聚合复合树脂样品。最大的染色是在咖啡中观察到的,其次是茶,可乐是三种颜色中颜色较浅的一种。
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[Clinico-epidemiological study of odontomas]. [Relation between foci of chronic oral infection, rheumatic fever and general or local anesthesia]. [Selection of patients for treatment with dentures on osseointegrated implants]. [A metaplastic hypothesis of the histogenesis of ectopic salivary glands: apropos of two clinical cases]. [Report from Leceia. 1].
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