Asal S A, Al-AlShiekh H M
Assistant professor, Department of prosthodontics, Tanta University, El-Geish Street, Tanta, El-Gharbiya, Egypt; Associate professor, Department of Prosthetic Dental Sciences, College of Dentistry, King saud University, Riyadh, Saudi Arabia.
Associate professor, Department of Prosthetic Dental Sciences, College of Dentistry, King saud University, Riyadh, Saudi Arabia.
Niger J Clin Pract. 2017 Dec;20(12):1596-1603. doi: 10.4103/1119-3077.196082.
Although light-activated resins (Eclipse) have been reported to possess superior physical and mechanical properties compared with the heat-cured acrylic resins (Lucitone-199), a few studies have compared overdentures with a locator attachment constructed from heat-cured acrylic resins with those constructed from light-activated resins.
This clinical study was designed to compare the performance of a mandibular implant-supported overdenture constructed from a heat-cured acrylic resin (Lucitone-199) with that of an overdenture constructed from a light-activated resin (Eclipse).
Ten participants received two identical mandibular implant-retained overdentures (Lucitone-199 and Eclipse) opposing one maxillary denture in a random order. Each mandibular overdenture was delivered and worn for 6 months, and two weeks of rest was advised between wears to minimize any carryover effects. Three questionnaires were devised. The first questionnaire (patient evaluation) focused on evaluating different aspects of the denture and overall satisfaction. The second questionnaire (professional dentist evaluation) was based on a clinical evaluation of soft tissues, complications, and the applied technique. The third questionnaire (technician evaluation) involved ranking the different manufacturing steps of the denture and overall preferences. The obtained data was statistically analyzed using an independent sample t-test and the Wilcoxon rank-sum test.
The clinician and technician preferred the Eclipse dentures because of their technical aspects, whereas the patients preferred the Lucitone-199 dentures for their aesthetic properties.
Implant-supported overdentures constructed from a heat-cured acrylic resin showed superior aesthetics and had a better odor compared with those constructed from a light-cured resin.
尽管据报道光固化树脂（Eclipse）与热固化丙烯酸树脂（Lucitone - 199）相比具有优异的物理和机械性能，但很少有研究比较由热固化丙烯酸树脂制成的带定位器附件的覆盖义齿与由光固化树脂制成的覆盖义齿。
本临床研究旨在比较由热固化丙烯酸树脂（Lucitone - 199）制成的下颌种植体支持的覆盖义齿与由光固化树脂（Eclipse）制成的覆盖义齿的性能。
10名参与者以随机顺序接受了两副相同的下颌种植体固位覆盖义齿（Lucitone - 199和Eclipse），与一副上颌义齿相对。每副下颌覆盖义齿佩戴6个月，两次佩戴之间建议休息两周，以尽量减少任何遗留效应。设计了三份问卷。第一份问卷（患者评估）侧重于评估义齿的不同方面和总体满意度。第二份问卷（专业牙医评估）基于对软组织、并发症和应用技术的临床评估。第三份问卷（技师评估）涉及对义齿不同制作步骤进行排名和总体偏好。使用独立样本t检验和Wilcoxon秩和检验对获得的数据进行统计分析。
临床医生和技师因其技术方面而更喜欢Eclipse义齿，而患者因其美学特性更喜欢Lucitone - 199义齿。
与由光固化树脂制成的种植体支持的覆盖义齿相比，由热固化丙烯酸树脂制成的覆盖义齿具有更优异的美学效果且气味更好。
