摘要
目的:评价附属比色板与实际光敏树脂材料色度的吻合程度。方法:收集了4种光敏树脂,将其制成圆形试件和比色板,分别测取圆形试件、自制比色板与附属比色板的色度值,计算三者间的色度差异。结果:附属比色板与相应的材料间存在明显的色度差异,远远超过肉眼的识别阈。结论:使用附属比色板可能导致临床比色失误,用同批号树脂自制比色板是解决问题的有效方法;
Objective: To evaluate the colour matching degree between light cured composite resins and the attached shade guides. Methods: Four kinds of light cured composite resins and attached shade guides were collected, and then, special shade guides and standard samples were made by the authors with resin materials. The colour difference of the resin and it's attached shade guide was measured and calculated. Results: There was significant colour difference between the attached shade guide and the resin materials, and the difference were greater than the value recognized by naked eyes. Conclusion: It is possible to cause a false shade matching by using the attached shade guides in clinic. It seems better to use the shade guide made by ourselves. The better colour matching appears in Z100.
出处
《北京医科大学学报》
CSCD
1998年第6期532-534,547,共4页
Journal of Peking University(Health Sciences)