■矫正器中正畸力的质量主要受其机械性能的影响。目前,关于环境因素如何影响矫正器的机械功能的信息不足,研究表明,患者在进食和饮水时没有足够注意去除矫正器。因此,在这项研究中,我们研究了不同化学物质对热塑性材料力学性能的影响。
■在这项研究中,来自Easy-Vac垫片的175个热塑性样品(3AMedes,韩国)做好了准备,以及它们的化学成分,抗拉强度,暴露于橙汁溶液之前和之后的硬度,可乐,洗必泰漱口水,和蒸馏水被测量。单向方差分析(ANOVA),Tamhane\'stest,采用Tukey检验进行统计分析。
■片材的拉伸强度随着连续暴露于橙汁和氯己定漱口水而增加,并且它们的硬度随着连续接触碳酸饮料而降低。在暴露于不同化学品后,样品的化学组成没有变化。
■尽管这些变化具有统计学意义,它们对对准器性能的结果没有显著影响。因此,唯一的问题是橙汁和可乐在使用矫正剂和氯己定漱口水治疗期间的致癌性。
UNASSIGNED: The quality of orthodontic forces in aligners is mainly influenced by their mechanical properties. At present, there is insufficient information on how environmental factors affect the mechanical function of aligners, and studies have shown that patients do not pay enough attention to removing aligners while eating and drinking. Therefore, in this study, we investigated the effect of different chemicals on the mechanical properties of thermoplastic materials.
UNASSIGNED: In this study, 175 thermoplastic samples from Easy-Vac gasket (3A Medes, Korea) were prepared, and their chemical composition, tensile strength, and hardness before and after exposure to
solutions of orange juice, Cola, chlorhexidine mouthwash, and distilled water were measured. One-Way analysis of variance (ANOVA), Tamhane\'s test, and Tukey\'s test were used for statistical analysis.
UNASSIGNED: The tensile strength of the sheets increased with continuous exposure to orange juice and chlorhexidine mouthwash, and their hardness decreased with continuous exposure to carbonated beverages. There was no change in the chemical composition of the samples after exposure to different chemicals.
UNASSIGNED: Although these changes are statistically significant, they do not have a significant effect on the result of aligner performance. Therefore, the only concern is the cariogenicity of orange juice and Cola during treatment with aligners and the administration of chlorhexidine mouthwash.