q开关Nd:YAG激光辅助种植体表面去污

IF 0.5 Q4 DENTISTRY, ORAL SURGERY & MEDICINE
M. Namour, Marwan El Mobadder, D. Magnin, A. Peremans, T. Verspecht, W. Teughels, L. Lamard, S. Nammour, E. Rompen
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引用次数: 13

摘要

种植体周围炎(PI)是种植体周围组织的炎症性疾病,是种植体最常见的并发症。有证据表明,微生物在引起PI中起主要作用。我们的研究目的是评估使用q开关Nd:YAG(掺钕钇铝石榴石)激光器对受污染种植体表面的清洁效果,以及在清洁过程中激光种植体表面温度的升高。使用了78个种植体(钛级4)(Euroteknika, Sallanches, France)。36个无菌种植体和42个污染种植体来自于不同原因的临床失败种植体,独立于研究。用q开关Nd:YAG激光(1064 nm)局部照射36个污染植体。另外6个受污染的植入物用于温升评估。所有的激光照射都是通过功率计校准的,以便评估有效传递的能量。每脉冲照射目标的有效条件为:每脉冲能量密度0.597 J/cm2,拾取功率密度56 mW/cm2, 270 mW/脉冲,光斑直径2.4 mm,重复频率10 Hz,脉冲持续时间6 ns。在距离种植体表面0.5 mm的距离处,以非接触方式照射,总时间为2 s。根据Nd:YAG激光在植入体表面的流畅度的理论建模计算结果选择参数。污染物去除率评估显示,辐照种植体表面的清洁度与无菌种植体的清洁度在统计学上相似(p值≤0.05)。扫描电镜分析证实,我们的参数没有改变激光表面。在清洗过程中,激光植入物表面产生的温度升高低于1°C。根据我们的研究结果,短脉冲持续时间(纳秒)的q开关Nd:YAG激光器能够显著清洁受污染的植入物表面。在我们的研究中使用的辐照参数可以被认为是安全的牙周组织。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Q-Switch Nd:YAG Laser-Assisted Decontamination of Implant Surface
Peri-implantitis (PI) is an inflammatory disease of peri-implant tissues, it represents the most frequent complication of dental implants. Evidence revealed that microorganisms play the chief role in causing PI. The purpose of our study is to evaluate the cleaning of contaminated dental implant surfaces by means of the Q-switch Nd:YAG (Neodymium-doped Yttrium Aluminum Garnet) laser and an increase in temperature at lased implant surfaces during the cleaning process. Seventy-eight implants (titanium grade 4) were used (Euroteknika, Sallanches, France). Thirty-six sterile implants and forty-two contaminated implants were collected from failed clinical implants for different reasons, independent from the study. Thirty-six contaminated implants were partially irradiated by Q-switch Nd:YAG laser (1064 nm). Six other contaminated implants were used for temperature rise evaluation. All laser irradiations were calibrated by means of a powermetter in order to evaluate the effective delivered energy. The irradiation conditions delivered per pulse on the target were effectively: energy density per pulse of 0.597 J/cm2, pick powers density of 56 mW/cm2, 270 mW per pulse with a spot diameter of 2.4 mm, and with repetition rate of 10 Hz for pulse duration of 6 ns. Irradiation was performed during a total time of 2 s in a non-contact mode at a distance of 0.5 mm from implant surfaces. The parameters were chosen according to the results of a theoretical modeling calculation of the Nd:YAG laser fluency on implant surface. Evaluation of contaminants removal showed that the cleaning of the irradiated implant surfaces was statistically similar to those of sterile implants (p-value ≤ 0.05). SEM analysis confirmed that our parameters did not alter the lased surfaces. The increase in temperature generated at lased implant surfaces during cleaning was below 1 °C. According to our findings, Q-switch Nd:YAG laser with short pulse duration in nanoseconds is able to significantly clean contaminated implant surfaces. Irradiation parameters used in our study can be considered safe for periodontal tissue.
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来源期刊
Open Dentistry Journal
Open Dentistry Journal DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.00
自引率
0.00%
发文量
86
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