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烤瓷牙龈比色板的初步研制及颜色分析

发布时间:2018-11-24 08:36
【摘要】:目的:运用牙龈瓷粉及染色剂,制作出不同比例配方的牙龈烤瓷比色片,从而为研制出可用于临床的牙龈比色板作初步探讨。方法:选用金属牙龈瓷粉G1~G5和染色剂Akz01~Akz20,按一定的比列配方混合后分组,把G1与Akz01~Akz20混合记为A组;G2与Akz01~Akz20混合记为B组;G3与Akz01~Akz20混合记为C组;G4与Akz01~Akz20混合记为D组;G5与Akz01~Akz20混合记为E组,电子天平称量,称量纸包好,每组包含21包,然后在铸造的镍铬合金基底板上根据烤瓷熔附金属全冠的烧制步骤进行比色片的烧制,烧制成功的比色片进行打磨抛光,超声清洗,最后用Vita EasyshadyAdvance4.0无线电脑比色仪测量各色片的色度值(L*、C*、H*值),并用SPSS19.0统计软件对结果进行统计分析。结果:(1)比色板各组颜色分布具有一定规律性。具体表现如下:A~E组中,E组的明度L*值处于最高值的范畴,而C组的明度L*值处于最低值的范畴。说明E组的明度最高,色彩最浓、最亮,而C组的明度最低,色彩最淡、最暗;对于饱和度C*值而言A~E组中,E组的变化最小,而A~D组都有比较大的变化,加入第6种染色剂达到最高值,之后开始下降,虽也有增高,但幅度都比较小。总体上来看,B组的数值处于最大值处,说明B组的饱和度总体上较其余组大,最远处离中心位置最远,具有比其余组颜色更鲜艳的比色片;A~E组中的色调H*值的变化是A~D组中加入相同的染色剂后H*值的增加或减少基本一致,表现为先减小后增加再减少,而且幅度比较大,而E组的起伏波动最小,并且与其他四组相距较远。说明E组的色相最小,其更倾向于红色方向。(2)各组比色板色差及分布区域不同。具体表现为:L*值的分布范围为10.10~26.90;C*值的分布范围为0.50~14.20;H*值的分布范围为0.80~72.40;△E值的分布范围为14.60~27.30。(3)定制比色板的色度值范围绝大多数在天然牙龈颜色色度值范围内,说明定制比色板的颜色能基本模拟天然牙龈的颜色。结论:定制烤瓷牙龈比色片能一定程度扩展现有牙龈瓷的临床运用范围,其与现有的牙龈颜色的色度值比较,能基本覆盖牙龈颜色,但比色片的精度有待于进一步提高。
[Abstract]:Objective: to prepare gingival porcelain colorimetric tablets with different proportions by using gingival porcelain powder and staining agent, and to explore the development of gingival colorimetric plate which can be used in clinical practice. Methods: metal gingival porcelain powder G1~G5 and dyeing agent Akz01~Akz20, were selected and divided into A group, G 2 and Akz01~Akz20 group, G 3 and Akz01~Akz20 group, G 4 and Akz01~Akz20 group, and G 4 and Akz01~Akz20 mixed group as A group, G 2 and Akz01~Akz20 group as B group, G 4 and Akz01~Akz20 as D group, G 3 and Akz01~Akz20 mixed group as C group, and G 4 and Akz01~Akz20 as D group respectively. G5 and Akz01~Akz20 were mixed as group E, weighing by electronic balance, weighing paper, each group containing 21 packs, and then firing the colorimetric sheet on the cast Ni-Cr alloy substrate according to the firing process of porcelain fused with metal full crown, The sintered colorimetric sheet was polished and cleaned by ultrasonic. Finally, the colorimetric value of each color sheet was measured by Vita EasyshadyAdvance4.0 wireless computer colorimetry, and the results were statistically analyzed by SPSS19.0 software. Results: (1) the color distribution of each group was regular. The results are as follows: in group A, group E is in the category of the highest value, while group C is in the category of the lowest. The results showed that group E had the highest brightness, the thickest and brightest color, while group C had the lowest brightness, the faintest color and the darkest color. For saturation C *, the change of group E was the least, while that of group A and D was relatively large. The addition of the sixth chromatin reached the highest value, and then it began to decrease, although it also increased, but the amplitude was relatively small. On the whole, the values of group B are at the maximum value, indicating that the saturation of group B is generally larger than that of the other groups, the farthest away from the center of the center, and has a more brightly colored colorimetric film than the other groups. The change of hue H * value in group A was basically the same as that in group A D after the addition of the same chromatin, which showed that the value of H * increased first and then decreased, and the amplitude was relatively large, while the fluctuation of group E was the least. And the other four groups are far apart. The results showed that group E had the smallest hue and preferred the red direction. (2) the color difference and distribution of the colorimetric plates were different in each group. The main results are as follows: the distribution range of L ~ * value is 10.10 ~ 26.90 ~ (th) C ~ * = 0.50 ~ (14. 20) H ~ * = 0.80 ~ 72.40; The distribution range of E value is 14.60 ~ 27.30. (3) the color range of custom-made colorimetric plate is mostly within the range of natural gingival color, which indicates that the color of custom-made colorimetric plate can basically simulate the color of natural gingival. Conclusion: the customized porcelain gingival colorimetric tablets can extend the clinical application range of the existing gingival porcelain to a certain extent. Compared with the current color values of gingival, it can basically cover the gingival color, but the accuracy of the colorimetric tablets needs to be further improved.
【学位授予单位】:贵州医科大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:R783

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