四种不同的牙龈置换剂产生的牙龈置换量的比较评估-一项体内研究

Zainab Kesari, J. Karani, Saloni Mistry, A. Pai
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引用次数: 6

摘要

目的:本研究的目的是比较和评估ViscoStat clear, Vasozine和Racegel(带和不带脐带)对其产生的侧龈移位量的疗效。设置和设计:比较-体内研究。材料与方法:选择年龄在18-22岁之间、经本人同意的志愿者30名。上颌右侧第一前磨牙和侧切牙,上颌左侧中切牙和犬齿均为个例。在每颗牙唇面中部龈缘下2毫米处做一个复合树脂标准参考点。通过简单的随机抽样,在选择的每颗牙齿上使用ViscoStat clear, Vasozine, Racegel with cord and Racegel without cord进行牙龈移位。采用中体聚氯乙烯硅氧烷印模材料制作牙龈前后移位印模。在立体显微镜下(×20放大)测量模型的3毫米厚颊舌切片,计算位移量。使用的统计分析:采用Kruskal-Wallis检验和Mann-Whitney u检验比较两者产生的牙龈位移量。结果:Racegel与cord、tetrahydrozoline、ViscoStat clear和Racegel混合产生的平均位移(mm2)分别为0.2256、0.2158、0.2069和0.1414。结论:带脐带的Racegel平均牙龈位移最大(0.2256 mm2),不带脐带的Racegel最小(0.1414 mm2)。四种药物产生的牙龈位移量无显著统计学差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A comparative evaluation of amount of gingival displacement produced by four different gingival displacement agents – An in vivo study
Aim: The aim of this study was to compare and evaluate the efficacy of ViscoStat clear, Vasozine, and Racegel (with and without cord) with respect to the amount of lateral gingival displacement produced by them. Settings and Design: Comparative - In vivo study. Material and Methods: Thirty consented volunteers were selected in the age group of 18–22 years. Maxillary right first premolar and lateral incisor and maxillary left central incisor and canine were selected for each individual. A composite resin standard reference point was made two millimeters below the gingival margin on the midsection of the labial surface of each tooth. By simple random sampling, the agents (ViscoStat clear, Vasozine, and Racegel with cord and Racegel without cord) were used for gingival displacement on each of the selected teeth. Pre- and postgingival displacement impressions were made with medium-body polyvinyl siloxane impression material. Three-millimeter thick buccolingual slice sections were obtained of the models and measured under a stereo microscope (×20 magnification), and the amount of displacement was calculated. Statistical Analysis used: The Kruskal–Wallis test and the Mann–Whitney U-test were used for comparison between the amounts of gingival displacement produced by them. Results: Mean displacement produced (in mm2) by Racegel with cord, tetrahydrozoline, ViscoStat clear, and Racegel is 0.2256, 0.2158, 0.2069, and 0.1414, respectively. Conclusions: The largest mean gingival displacement was produced by Racegel with cord (0.2256 mm2) and lowest by Racegel without cord (0.1414 mm2). There was no significant statistical difference in the amount of gingival displacement produced between the four agents.
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