Finite element stress analysis of dental cement application on endocrown and onlay restoration

IF 1.3 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Australian Endodontic Journal Pub Date : 2023-10-03 DOI:10.1111/aej.12800

Satrio Wicaksono PhD, Wandi Prasetia MSc, Anna Muryani Sp KG, Subsp KE(K), Tatacipta Dirgantara PhD, Andi Isra Mahyuddin PhD

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引用次数: 0

Abstract

The aim of the study was to evaluate the influence of resin cement material types on tooth with endocrown and onlay restorations. The first molar was scanned using Micro-CT and underwent a modelling process to obtain the 3D model for computational simulation. Eight models were simulated in the current study with two loading conditions (720N vertical load and 200N oblique load), two types of restoration (onlay and endocrown restorations), and two resin cement variants (dual-cure resin cement and light-cure resin cement). The tooth with onlay restoration showed a significant stress reduction (up to 70%) when using light-cure resin cement compared to dual-cure resin cement. In contrast, types of cement did not affect stress distribution in the tooth with endocrown restoration. The current study found that dual-cure resin cement was preferable in Endocrown and Onlay restorations, due to dual-cure resin cement provided better bond strength compared to light-cure resin cement.

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牙水泥应用于牙冠内嵌修复体的有限元应力分析。

本研究的目的是评估树脂水泥材料类型对内冠和内嵌修复体牙齿的影响。使用Micro-CT扫描第一颗臼齿，并进行建模过程以获得用于计算模拟的3D模型。在当前的研究中，模拟了八个模型，分别具有两种载荷条件（720N垂直载荷和200N倾斜载荷）、两种类型的修复体（嵌体和内冠修复体）和两种树脂水泥变体（双固化树脂水泥和光固化树脂水泥）。与双固化树脂水泥相比，当使用光固化树脂水泥时，具有在线修复的牙齿显示出显著的应力降低（高达70%）。相反，骨水泥的类型不影响内冠修复牙齿的应力分布。目前的研究发现，双固化树脂水泥在Endocrown和Onlay修复体中更为可取，因为与光固化树脂水泥相比，双固化的树脂水泥提供了更好的粘结强度。

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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来源期刊

Australian Endodontic Journal DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.50

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Australian Endodontic Journal provides a forum for communication in the different fields that encompass endodontics for all specialists and dentists with an interest in the morphology, physiology, and pathology of the human tooth, in particular the dental pulp, root and peri-radicular tissues. The Journal features regular clinical updates, research reports and case reports from authors worldwide, and also publishes meeting abstracts, society news and historical endodontic glimpses. The Australian Endodontic Journal is a publication for dentists in general and specialist practice devoted solely to endodontics. It aims to promote communication in the different fields that encompass endodontics for those dentists who have a special interest in endodontics.