【摘 要】
：
Purpose: To evaluate the effects of a hindered amine light stabilizer on the color stability and mechanical properties of a maxillofacial silicone elastomer
【机 构】
：
Guanghua School of Stomatology,Hospital of Stomatology,Sun Yat-sen University
【出 处】
：
2014xi`an Conference of International Society for Maxillofac
论文部分内容阅读
Purpose: To evaluate the effects of a hindered amine light stabilizer on the color stability and mechanical properties of a maxillofacial silicone elastomer,and to explore an optimum dosage which ensures better color stability and benign mechanical properties.Methods: The intrinsically pigmented SY-1 maxillofacial silicone rubber was divided into 8 groups on the basis of the additive ratio of the hindered amine light stabilizer Tinuvin123,which increased as 0.00%,0.05%,1.00%,1.50%,2.00%,2.50%,3.00%,3.50%by weight.Specimens were made in plexiglass moulds at 70℃ for 1.5h and 26℃ for 24h in dark place.
其他文献
Purpose: In order to get the current distribution range and distribution characteristics of Chinese Han population healthy anterior gingival color chroma va
Purpose: This study tried to investigate the therapeutic potential of EPCs in treatment of irradiated tissue ischemia in vivo,hoping to provide a new way to
【目的】用含胃泌素(Gastrin)基因的真核表达载体pcDNA3.1/gastrin转染胃癌细胞,获得稳定表达胃泌素基因的胃癌细胞株;研究高表达胃泌素和外源性胃泌素对胃癌细胞增殖、迁移
纤维素是自然界中存在最广泛的一类碳水化合物，同时它也是地球上数量最大的可再生资源。目前，自然界中纤维素只有一小部分得到了利用，绝大多数纤维素不仅被白白浪费，而且对环境造
Purpose: Although the palatal volume of palatal augmentation prosthesis(PAP)is often designed with soft waxes or tissue conditioning materials,it is difficu
Purpose: This study assesses and compares the quality of life of oral cancer patients who had undergone surgical resection and primary reconstruction of def
虫草素是蛹虫草中的一种有效生物活性物质，具有抗肿瘤、抗病毒、抗菌、抗炎症等多种生物活性，具备一定的治疗潜力，同时也多作为保健品被广泛利用。蛹虫草中较低的虫草素含量使得
蛋白质的可逆磷酸化是生物信号级联传递的重要方式之一，是由蛋白激酶与蛋白磷酸酶共同参与完成的。蛋白质的磷酸化与去磷酸化反应对于信号的快速、精确传递起着无可替代的作用，是细胞内的重要调节机制，广泛参与植物的生长、发育、增殖、分化等生命活动。蛋白磷酸酶2C（PP2C）是一类丝氨酸/苏氨酸蛋白磷酸酶，植物PP2C广泛参与逆境信号传递过程，对环境胁迫如冷害、干旱、损伤等激活的信号通路发挥调节作用。本研究从小
Purpose: The Jaw bone loss is associated with osteoporosis induced by imbalanced estrogen levels.The response of osteocyte to estrogen play an important rol