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首页> 外文期刊>American journal of dentistry >Factors influencing success of radiant exposure in light-curing posterior dental composite in the clinical setting
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Factors influencing success of radiant exposure in light-curing posterior dental composite in the clinical setting

机译：影响临床环境中光固化后牙科复合材料辐射暴露成功的因素

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摘要

Purposes: (1) To conduct a comprehensive review of the literature on factors influencing the radiant exposure of resin-based composite (RBC) restorations and (2) To fully understand the appropriate way of using the light curing units (LCUs) to perform restorations with optimal mechanical/physical properties. Methods: A PubMed search identified recent publications in English that addressed the factors affecting the longevity of the RBC restorations and the optimal usage of LCUs. Results: RBCs require light-induced polymerization of methacrylate monomers present in its composition to reach acceptable mechanical and physical properties. Complete polymerization of the RBC is never reached, and the maximum degree of conversion (DC) varies from 40 to 80%. The amount of radiant exposure (Joules/cm(2)) required for the commencement of polymerization becomes a core driver for the quality of the RBCs. Insufficient radiant exposure may lead to low strength behavior and susceptibility to degradation, thereby shortening the lifespan of restorations inside the mouth. This suggests that there are factors affecting the radiant exposure during clinical procedures; these factors can be categorized as material-related, LCU-related and operator-related factors.
机译：目的：（1）对影响树脂基复合物（RBC）修复体（RBC）修复体（RBC）修复体（2）的辐射暴露的因素进行全面审查，以完全了解使用光固化单元（LCU）进行修复的合适方法具有最佳机械/物理性质。方法：识别出近期英语出版物的PubMed搜索，解决了影响RBC修复的寿命和LCU的最佳用途的因素。结果：RBCS需要光诱导的聚合在其组合物中存在的甲基丙烯酸甲酯单体，以达到可接受的机械和物理性质。从未达到RBC的完全聚合，最大转化率（DC）的变化从40％到80％。聚合开始所需的辐射曝光量（焦耳/厘米（2））成为RBC的质量的核心驱动器。辐射暴露不足可能导致低强度的行为和降解易感性，从而缩短口腔内部的修复寿命。这表明存在影响临床手术期间辐射暴露的因素;这些因素可以分为与材料有关的，与液晶和运营商相关的因素。

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  • 来源
    《American journal of dentistry》 |2018年第6期|共9页
  • 作者

    Maktabi Haifa; Balhaddad Abdulrahman A.; Alkhubaizi Qoot; Strassler Howard; Melo Mary Anne S.;

  • 作者单位

    Univ Maryland Sch Dent Gen Dent Residency Program Adv Educ Baltimore MD 21201 USA;

    Univ Maryland Sch Dent PhD Program Biomed Sci Baltimore MD 21201 USA;

    Univ Maryland Sch Dent Gen Dent Residency Program Adv Educ Baltimore MD 21201 USA;

    Univ Maryland Sch Dent Dept Gen Dent Program Biomed Sci Baltimore MD 21201 USA;

    Univ Maryland Sch Dent Dept Gen Dent Program Biomed Sci Baltimore MD 21201 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 口腔科学;
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  • 入库时间 2022-08-20 00:48:16

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