纳米金颗粒添加对全口义齿基托材料尺寸稳定性的影响：一项体外研究。
Effect of nanogold particles addition on dimensional stability of complete denture base material: an in - vitro study.
机构信息
Department of Prosthodontics, Faculty of Dentistry, Zagazig University, El-Sharkia, Egypt.
Removable Prosthodontic Department, Suez Canal University, Ismailia, Egypt.
出版信息
BMC Oral Health. 2023 Mar 16;23(1):153. doi: 10.1186/s12903-023-02850-1.
BACKGROUND
The most widely used substance in the fabrication of dental prosthesis is poly (methyl methacrylate), or PMMA, and the development of biofilm is frequently associated with its use. To enhance the mechanical properties of heat-polymerized PMMA, this study prepared PMMA/gold nanoparticles (AuNps). The occlusal vertical dimension and tooth movement were examined in the current study. The occlusal vertical dimension was assessed using an electronic digital calliper measuring device, and tooth movement was measured using a CAD Star digital scanner.
RESULTS
Tooth movement and occlusal vertical dimension of a PMMA/gold nanoparticles (AuNps) were decreased for all groups containing AuNps. Statistical analysis was performed by means of the SPSS 16 software package.
CONCLUSIONS
Incorporation of AuNps into heat- polymerized PMMA resin led to increase dimensional stability of complete denture base material.
背景
在制作假牙中最广泛使用的物质是聚甲基丙烯酸甲酯（PMMA），生物膜的形成通常与其使用有关。为了提高热聚合 PMMA 的机械性能，本研究制备了 PMMA/金纳米颗粒（AuNps）。本研究检查了咬合垂直距离和牙齿移动。使用电子数字卡尺测量装置评估咬合垂直距离，使用 CAD Star 数字扫描仪测量牙齿移动。
结果
所有含有 AuNps 的组的牙齿移动和咬合垂直距离均减小。使用 SPSS 16 软件包进行统计分析。
结论
将 AuNps 掺入热聚合 PMMA 树脂中导致全口义齿基托材料的尺寸稳定性增加。
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