T A Imbery, A E Allen, B Larkin, I Romani, C Carrico
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引用次数: 0
Abstract
Objectives: The aim of this study was to measure radiant exposure and time necessary to deliver 16 J/cm2 of radiant exposure to simulated Class I and Class III preparations by first-year dental students. First-year dental students (n=89) received a 60-minute lecture on light-curing. Using the Managing Accurate Resin Curing Patient Simulator (MARC-PS) and protective blue-light-blocking glasses, students twice light-cured Class I and Class III restorations, using the Valo Grand Cordless light-curing unit with infection-control barriers on both Standard and High Power Plus modes. After their first attempts, if students did not obtain at least 16 J/cm2 of radiant exposure (RE), they received additional instruction. Paired t-tests were used to determine the change between the first and second attempts. After averaging two attempts, radiant exposure and time were compared between Standard and High Power Plus modes within individuals using paired t-tests.
Results: 79% of students provided 16 J/cm2 of radiant exposure on both attempts for Standard and High Power Plus modes. High Power Plus mode provided statistically significantly more radiant exposure and required less time to obtain 16 J/cm2 of radiant exposure for both restorations.
Conclusions: The MARC-PS is useful to identify students requiring instruction. It may be prudent to use High Power Plus mode or increase time on Standard mode to light-cure Class I restorations.
研究目的本研究的目的是测量牙科一年级学生在模拟 I 类和 III 类预备体时所需的 16 J/cm2 辐射照射量和照射时间。牙科一年级学生（89 人）接受了 60 分钟的光固化讲座。学生们使用Managing Accurate Resin Curing Patient Simulator（MARC-PS）和蓝光防护眼镜，使用带有感染控制屏障的Valo Grand Cordless光固化设备，在标准和高功率增强模式下对I类和III类修复体进行了两次光固化。第一次尝试后，如果学生没有获得至少 16 J/cm2 的辐射照射 (RE)，他们会接受额外的指导。使用配对 t 检验来确定第一次和第二次尝试之间的变化。在对两次尝试进行平均后，使用配对 t 检验比较了个人中标准模式和高功率增强模式的辐射照射和时间：79%的学生在标准和高功率增强模式的两次尝试中都提供了 16 焦耳/平方厘米的辐射照射。从统计学角度看，高功率增强模式提供的辐射照射明显更多，而且两种修复体获得 16 焦耳/平方厘米辐射照射所需的时间更短：结论：MARC-PS 对于识别需要指导的学生很有用。使用高功率增强模式或增加标准模式的时间来光固化 I 级修复体可能是明智之举。
期刊介绍：
Operative Dentistry is a refereed, international journal published bi-monthly and distributed to subscribers in over 50 countries. In 2012, we printed 84 articles (672 pages). Papers were submitted by authors from 45 countries, in the categories of Clinical Research, Laboratory Research, Clinical Techniques/Case Presentations and Invited Papers, as well as Editorials and Abstracts.
One of the strong points of our journal is that our current publication time for accepted manuscripts is 4 to 6 months from the date of submission. Clinical Techniques/Case Presentations have a very quick turnaround time, which allows for very rapid publication of clinical based concepts. We also provide color for those papers that would benefit from its use.
The journal does not accept any advertising but you will find postings for faculty positions. Additionally, the journal also does not rent, sell or otherwise allow its subscriber list to be used by any other entity
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