三维打印光聚合物树脂冠与计算机辅助磨铣聚甲基丙烯酸甲酯冠与预制氧化锆冠的对比:一项随机临床试验

Q3 Dentistry
Saraswathi V Naik, Shruti V Thakkar, Deepak Naik, Amrita Chakraborty, G V Usha
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引用次数: 0

摘要

目的:比较和评价计算机辅助设计研磨聚甲基丙烯酸甲酯(PMMA)烤瓷冠、三维打印光聚合物树脂烤瓷冠和预制氧化锆烤瓷冠在初生磨牙中的临床成功率。材料和方法:本研究是在4-8岁需要冠的儿童中进行的。对所有儿童进行了初步临床和放射学分析,45名儿童被纳入研究。使用视觉模拟量表(VAS)评估印象制造技术的偏好、舒适度、疼痛、呕吐反射和呼吸困难。临床评估采用美国公共卫生服务(USPHS)标准,分别在基线、3、6和9个月进行。采用Friedman检验进行统计分析。结果:对印模技术在患者偏好、舒适度、疼痛、呕吐反射等方面的评价,各参数的p值分别为0.00、0.00、0.04、0.00,差异有统计学意义。9个月后,PMMA冠的固位率为80%,3d打印光聚合物树脂冠为93.33%,预制氧化锆冠为86.66%。在9个月结束时,光聚合物树脂冠的边缘适应效果更好,差异有统计学意义(p = 0.000)。PMMA和光聚合物树脂冠组均无牙龈炎,而氧化锆冠组有轻度和中度牙龈炎,9个月时差异有统计学意义(p = 0.000)。结论:与预制氧化锆冠相比,聚甲基丙烯酸甲酯冠和光聚合物树脂冠具有良好的边缘适应性和生物相容性。文章引用方式:Naik SV, Thakkar SV, Naik D等。三维打印光聚合物树脂冠与计算机辅助磨铣聚甲基丙烯酸甲酯冠与预制氧化锆冠的对比:一项随机临床试验中华临床儿科杂志,2015;18(5):506-513。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Three-dimensional-printed Photopolymer Resin Crowns vs Computer-aided Milled Polymethyl Methacrylate Crowns with Prefabricated Zirconia Crowns for Primary Molars: A Randomized Clinical Trial.

Three-dimensional-printed Photopolymer Resin Crowns vs Computer-aided Milled Polymethyl Methacrylate Crowns with Prefabricated Zirconia Crowns for Primary Molars: A Randomized Clinical Trial.

Three-dimensional-printed Photopolymer Resin Crowns vs Computer-aided Milled Polymethyl Methacrylate Crowns with Prefabricated Zirconia Crowns for Primary Molars: A Randomized Clinical Trial.

Three-dimensional-printed Photopolymer Resin Crowns vs Computer-aided Milled Polymethyl Methacrylate Crowns with Prefabricated Zirconia Crowns for Primary Molars: A Randomized Clinical Trial.

Aim: To compare and evaluate the clinical success rate of computer-aided designed and milled polymethyl methacrylate (PMMA) crowns, three-dimensional (3D)-printed photopolymer resin crowns with prefabricated zirconia crowns in primary molars.

Materials and methods: This study was carried out in children requiring crowns in the age-group of 4-8 years. Initial clinical and radiographic analyses for all the children were carried out, and 45 children were included in the study. Impression-making techniques were evaluated for their preference, comfort, pain, gag reflex, and breathing difficulty using a visual analog scale (VAS). Clinical evaluation was done using the United States Public Health Service (USPHS) criteria at baseline, 3, 6, and 9 months. Friedman test was used for statistical analysis.

Results: For the evaluation of impression technique for patient's preference, comfort, pain, and gag reflex, there was a statistically significant difference for all the parameters with a p-value of 0.00, 0.00, 0.04, and 0.00, respectively. The retention rate was 80% for PMMA crowns, 93.33% for 3D-printed photopolymer resin crowns, and 86.66% for prefabricated zirconia crowns at the end of 9 months. The marginal adaptation was better with photopolymer resin crowns with a statistically significant difference at the end of 9 months (p = 0.000). There was no gingivitis associated with all the PMMA and photopolymer resin crowns, whereas mild and moderate gingivitis was present with zirconia crowns, with a statistically significant difference at 9 months (p = 0.000).

Conclusion: Polymethyl methacrylate crowns and photopolymer resin crowns showed good marginal adaptation and biocompatibility as compared to prefabricated zirconia crowns.

How to cite this article: Naik SV, Thakkar SV, Naik D, et al. Three-dimensional-printed Photopolymer Resin Crowns vs Computer-aided Milled Polymethyl Methacrylate Crowns with Prefabricated Zirconia Crowns for Primary Molars: A Randomized Clinical Trial. Int J Clin Pediatr Dent 2025;18(5):506-513.

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