Fracture resistance of post and core in immediate and delayed post space in trauma simulated teeth.

IF 1.4 Q3 EMERGENCY MEDICINE
Shubham Tripathi, Pallav Mahesh Patni, Pradeep Jain, Swadhin Raghuwanshi, Sanket H Pandey, Ankita Soni, Swati Jain
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Abstract

Introduction: This research aims to assess and analyze the fracture resistance of GC Everstick post with separate composite core buildup and Edelweiss prefabricated resin composite post and core single unit into immediate and delayed post space prepared teeth.

Methods: A total of 120 extracted human mandibular premolars have been subjected to a standardized protocol of mechanical trauma to simulate tooth fracture. Teeth samples were randomly divided into four groups (n = 30) on the basis of time taken for the preparation of post space (approximately following root canal obturation and 24 h after root canal obturation) for the single unit Edelweiss post and core system and GC post with separate core buildup. Compressive load has been utilized to do the analysis necessary to establish the fracture resistance using a universal testing machine. The fracture force calculated was in Newtons (N), and a stereomicroscope was utilized for investigating the common causes of failure.

Results: In an immediate post space prepared tooth, the GC post exhibited a mean failure load of 970.584 N. In contrast, the Edelweiss post, and core system showed a significantly higher mean failure load of 1250.349 N. In delayed post space prepared tooth, the GC Everstick post exhibited a mean failure load of 950.287 N. In contrast, the Edelweiss post, and core system showed a significantly higher mean failure load of 1229.348 N.

Conclusion: This study aims to assess and analyze the fracture resistance of the GC Everstick post with separate composite core buildup and the Edelweiss prefabricated resin composite post and core single unit in immediate and delayed post space prepared teeth. The study results showed that the failure modes in both groups were non-catastrophic in nature. These findings suggest that the Edelweiss post and core system may be a more suitable option for restoring teeth that have been subjected to traumatic conditions. The study provides valuable information for dental professionals in their decision-making process for post and core restoration techniques in teeth that have been subjected to trauma.

创伤模拟牙即刻桩位与延迟桩位桩核的抗折性。
本研究旨在评估和分析GC Everstick柱单独复合芯构筑和Edelweiss预制树脂复合桩和芯单件即刻和延迟桩位预备齿的抗断裂性能。方法:对120颗拔除的人类下颌前磨牙进行标准化的机械损伤模拟。根据单单元雪绒花桩核系统和单独堆核的GC桩准备桩位所需时间(大约在根管封闭后和根管封闭后24 h),将牙齿样本随机分为4组(n = 30)。压缩载荷已被用来做必要的分析,以建立断裂抗力使用通用试验机。计算的断裂力单位为牛顿(N),并利用体视显微镜研究常见的断裂原因。结果:即刻桩位预备牙的GC桩的平均失效载荷为970584 n,雪绒花桩和核系统的平均失效载荷为1250.349 n,延迟桩位预备牙的GC evertick桩的平均失效载荷为950.287 n,雪绒花桩和核系统的平均失效载荷为1229.348 n,显著高于即刻桩位预备牙。本研究旨在评估和分析GC evertick柱单独复合芯构建和Edelweiss预制树脂复合桩-芯单一单元在即时和延迟桩位预备牙中的抗断裂性能。研究结果表明,两组的破坏模式都是非灾难性的。这些发现表明,雪绒花桩核系统可能是修复遭受创伤的牙齿更合适的选择。该研究为牙科专业人员在创伤牙的桩核修复技术决策过程中提供了有价值的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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