Erbium, Chromium:Yttrium‐Scandium‐Gallium‐Garnet Laser Effectively Ablates Single‐Species Biofilms on Titanium Disks Without Detectable Surface Damage

Strever, Jason M.; Lee, Jae-Bum; Ealick, William; Peacock, Mark E.; Shelby, Daniel; Susin, Cristiano; Mettenberg, Donald; El‐Awady, Ahmed; Rueggeberg, Frederick A.; Cutler, Christopher W.

doi:10.1902/jop.2016.160529

Cited by 26 publications

(17 citation statements)

References 25 publications

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“…Similar results were observed when using the Er,Cr:YSGG laser for P. gingivalis ablation, causing a 95% removal of biofilm without altering the surface roughness or changing the surface temperature of titanium discs [18].…”

Section: Discussionsupporting

confidence: 68%

“…In contrast to previous studies [18,19,24,39] that used Ti discs, we used commercially available implants to closely simulate the clinical situations regarding the complex implant topography. Strever et al showed that a bacterial biofilm on a Ti disc was easily removed even by water spray [18]. In this study, the surface roughness was not changed in any of the study groups.…”

Section: Discussionmentioning

confidence: 99%

“…Erbium chromium-doped:yttrium, scandium, gallium, and garnet 2790 nm lasers (Er,Cr:YSGG) are highly absorbed by OH-ions compared to water molecules, and they have been used previously for removing calcified deposits, such as calculus, without altering the tooth/implant surfaces [16,17]. Strever et al showed the effectiveness of Er,Cr:YSGG in decontaminating different implant surfaces from Pseudomonas gingivalis biofilm [18]. Additionally, previous in vitro study showed that decontaminating the implant surface using an Er,Cr:YSGG laser favors osteoblast attachment [19].…”

Section: Literature Surveymentioning

confidence: 99%

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The Effect of Er,Cr:YSGG and Diode Laser Applications on Dental Implant Surfaces Contaminated with Acinetobacter Baumannii and Pseudomonas Aeruginosa

et al. 2019

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Treatment of peri-implantitis through several implant surface decontamination techniques have been reported, however, some of them can negatively alter the implant surface or enhance more bacterial resistance. The aim of this in vitro study was to evaluate implant surface decontamination by means of Er,Cr:YSGG and diode lasers. Fifty micro-textured (MTX) dental implants were contaminated with Acinetobacter baumannii (n = 25) and with Pseudomonas aeruginosa (n = 25). All implants were then divided into five groups for the decontamination procedure. In group I (GI), decontamination was done with an Er,Cr:YSGG laser (2780 nm), while in group II (GII) decontamination was performed using photodynamic therapy (a 650 nm diode laser). In Group III (GIII) decontamination was performed with photodynamic therapy (an 808 nm diode laser), and in group IV (GIV) decontamination was performed with 0.12% chlorhexidine. Group V (GV) was the control group with no decontamination. After decontamination, colony forming units (CFU) were counted and implants were prepared for SEM analysis. A significant difference (p < 0.001) was observed for GI compared to the other groups, and also for GIV compared to both GII and GIII. The Er,Cr:YSGG laser (GI) showed the best results in decontaminating the implant surface. Chlorhexidine (GIV), proved to be better in decontaminating the implant surface than photodynamic therapy GII and diode laser GIII. No significant difference was found between group GII and GIII. The SEM analysis showed no significant change in the implant surface topography. The results of this study suggest that the Er,Cr:YSGG laser can be considered as an effective technique for reducing bacteria contamination on implant surfaces.

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Section: Literature Surveymentioning

confidence: 99%

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The Effect of Er,Cr:YSGG and Diode Laser Applications on Dental Implant Surfaces Contaminated with Acinetobacter Baumannii and Pseudomonas Aeruginosa

et al. 2019

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“…There is no consensus in literature on the best protocol to decontaminate implant surfaces [21]. Decontamination with different solutions was unable to completely decontaminate implant surfaces [22,23] and could induce changes in the chemical and physical properties of implant surfaces [24], with partial reosseointegration being reported in animals [22].…”

Section: Introductionmentioning

confidence: 99%

Residual decontamination chemical agents negatively affect adhesion and proliferation of osteoblast-like cells on implant surface

et al. 2020

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Purpose To investigate the influence of implant surface decontaminated and uncontaminated on osteoblast-like cell adhesion and proliferation Materials and methods Commercially available implants of different brands and surface characteristics were selected: Biomet 3i® Nanotite (NT) and Osseotite (OT), Straumann® SLActive (SLA), and Neodent® Acqua Drive (ACQ) and Neoporos Drive CM (CM). Physical and chemical properties of the implants were investigated by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and wettability analysis (WETT). Implants were previously contaminated with Aggregatibacter actinomycetemcomitans strains; after that, samples were decontaminated by different chemical methods. Decontaminated (test group; n = 15/type of implant) and uncontaminated (control group; n = 5/type of implant) samples were analyzed according to the number of human osteoblastic osteosarcoma cells (Saos-2) adhered on the implant surface after 24 h and 72 h in SEM images. Results ACQ was found to be highly hydrophilic, and NT was the most hydrophobic implant. Increased variation of Saos-2 cell adhesion and proliferation were observed on all test and control groups. Controversially, at the proliferation analysis in 72 h, CM implant was the only implant that showed no significant difference between test and group (p = 0.2833; Tukey’s multiple comparisons test). NT implants showed the greater value of cell proliferation when compared with all types of implant surface (p = 0.0002; Tukey’s multiple comparisons test). Conclusions These findings suggest that decontaminated surfaces were able to impair the counting of osteoblast-like cell adhesion and proliferation.

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“…Studies have shown that, regardless of implant surface alteration, using erbium, chromium-doped yttrium scandium gallium garnet (Er,Cr:YSGG) laser can lead to antibacterial properties of the implant surface. [18][19][20] However, surface defects on implant surfaces using Er,Cr:YSGG laser were reported. 21 A. actinomycetemcomitans and E. corrodens were selected due to their role in inflammation around the implant and also periodontitis.…”

Section: Introductionmentioning

confidence: 99%

Er,Cr:YSGG laser surface treatment of gamma titanium aluminide: Scanning electron microscopy–energy-dispersive X-ray spectrometer analysis, wettability and Eikenella corrodens and Aggregatibacter actinomycetemcomitans bacteria count—in vitro study

Koopaie

Darbandsari

Hakimiha

et al. 2020

Proc Inst Mech Eng H

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Dental implants play an important role in oral health. Titanium dental implants must endure the complex microflora environment of the oral cavity. Moreover, bacterial infections have been considered as one of the most important factors of implant failure. The issue of dental improvement through modification of chemical composition and surface treatment has received considerable critical attention. γ-TiAl as a novo biocompatible material revealed a slower corrosion rate in biological media rather Ti-6Al-4V. The objective of this study is to investigate the effect of Er,Cr:YSGG laser on γ-TiAl in comparison with sandblasted and acid-etched samples as the control groups and machined samples. Wettability, surface roughness, surface topography, scanning electron microscopy–energy dispersive X-ray spectrometer analysis of surface and subsurface of samples were investigated and bacteria counts of two periodontal bacterial strains ( Aggregatibacter actinomycetemcomitans and Eikenella corrodens) were evaluated on the Er,Cr:YSGG laser surface-treated sandblasted and acid-etched and machined samples. The results of this investigation show that Er,Cr:YSGG laser surface treatment affects surface roughness, surface topography, wettability, chemical composition of the surface and bacteria count. Scanning electron microscopy–energy dispersive X-ray spectrometer analysis of the sample revealed the increment of titanium and oxygen content and reduction of aluminum content in the surface and subsurface layer. A. actinomycetemcomitans and E. corrodens count were found from the lowest level to highest in the sandblasted and acid-etched samples, laser samples and machined samples, respectively. Using controlled parameters of Er,Cr:YSGG laser ensured no significant adverse alteration. The findings to emerge from this study revealed the significant correlation between microbial count and wettability. Furthermore, the contact angle strongly correlated with surface roughness.

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Erbium, Chromium:Yttrium‐Scandium‐Gallium‐Garnet Laser Effectively Ablates Single‐Species Biofilms on Titanium Disks Without Detectable Surface Damage

Abstract: The Er,Cr:YSGG laser with radial firing tip and water spray was able to effectively ablate ≥95% of biofilm on all types of tested titanium surfaces, using clinically relevant power settings, without causing measurable physical changes to surfaces.

Cited by 26 publications

References 25 publications

The Effect of Er,Cr:YSGG and Diode Laser Applications on Dental Implant Surfaces Contaminated with Acinetobacter Baumannii and Pseudomonas Aeruginosa

The Effect of Er,Cr:YSGG and Diode Laser Applications on Dental Implant Surfaces Contaminated with Acinetobacter Baumannii and Pseudomonas Aeruginosa

Residual decontamination chemical agents negatively affect adhesion and proliferation of osteoblast-like cells on implant surface

Er,Cr:YSGG laser surface treatment of gamma titanium aluminide: Scanning electron microscopy–energy-dispersive X-ray spectrometer analysis, wettability and Eikenella corrodens and Aggregatibacter actinomycetemcomitans bacteria count—in vitro study

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