The Use of CO<sub>2</sub> Laser in the Treatment of Peri-implantitis

Romanos, George E.; Ko, Hua-Hsin; Froum, Stuart J.; Tarnow, Dennis P.

doi:10.1089/pho.2008.2280

Cited by 41 publications

(32 citation statements)

References 24 publications

(23 reference statements)

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“…The laser energy is absorbed in a very small volume of tissue, with precise removal of the irradiated tissue. It was demonstrated that Er:YAG-laser ablation comes with accurately limited lesion edges, low thermal damage, and corresponding undisturbed wound healing [40-42]. Due to these aspects the Er:YAG-laser was chosen for this study.…”

Section: Discussionmentioning

confidence: 99%

The impact of laser ablation on optical soft tissue differentiation for tissue specific laser surgery-an experimental ex vivo study

et al. 2012

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BackgroundOptical diffuse reflectance can remotely differentiate various bio tissues. To implement this technique in an optical feedback system to guide laser surgery in a tissue-specific way, the alteration of optical tissue properties by laser ablation has to be taken into account. It was the aim of this study to evaluate the general feasibility of optical soft tissue differentiation by diffuse reflectance spectroscopy under the influence of laser ablation, comparing the tissue differentiation results before and after laser intervention.MethodsA total of 70 ex vivo tissue samples (5 tissue types) were taken from 14 bisected pig heads. Diffuse reflectance spectra were recorded before and after Er:YAG-laser ablation. The spectra were analyzed and differentiated using principal component analysis (PCA), followed by linear discriminant analysis (LDA). To assess the potential of tissue differentiation, area under the curve (AUC), sensitivity and specificity was computed for each pair of tissue types before and after laser ablation, and compared to each other.ResultsOptical tissue differentiation showed good results before laser exposure (total classification error 13.51%). However, the tissue pair nerve and fat yielded lower AUC results of only 0.75. After laser ablation slightly reduced differentiation results were found with a total classification error of 16.83%. The tissue pair nerve and fat showed enhanced differentiation (AUC: 0.85). Laser ablation reduced the sensitivity in 50% and specificity in 80% of the cases of tissue pair comparison. The sensitivity of nerve–fat differentiation was enhanced by 35%.ConclusionsThe observed results show the general feasibility of tissue differentiation by diffuse reflectance spectroscopy even under conditions of tissue alteration by laser ablation. The contrast enhancement for the differentiation between nerve and fat tissue after ablation is assumed to be due to laser removal of the surrounding lipid-rich nerve sheath. The results create the basis for a guidance system to control laser ablation in a tissue-specific way.

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Section: Discussionmentioning

confidence: 99%

The impact of laser ablation on optical soft tissue differentiation for tissue specific laser surgery-an experimental ex vivo study

et al. 2012

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“…Although peri-implantitis has been commonly treated with systemic administration of antibiotics, the success has been limited due to resistant strains of bacteria and ineffective antibiotic dosages61. Dental lasers have become popular for sterilization and cleaning of implant surfaces62.…”

Section: Implant Requirements and Desginmentioning

confidence: 99%

“…Dental lasers have become popular for sterilization and cleaning of implant surfaces62. It is believed that the decontamination of the implant is caused by the physical properties of the laser energy and its interaction with tissues, due to reflection, scattering, transmission, absorption and slight temperature elevation61,63. Other technique, laser peeing consists on surface bombardment with small spherical particles that causes small indentations or dimples using a laser beam striking a protective layer on the metallic surface64.…”

Section: Implant Requirements and Desginmentioning

confidence: 99%

Current trends in dental implants

Gaviria

Salcido

Guda

et al. 2014

J Korean Assoc Oral Maxillofac Surg

303

212

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Tooth loss is very a very common problem; therefore, the use of dental implants is also a common practice. Although research on dental implant designs, materials and techniques has increased in the past few years and is expected to expand in the future, there is still a lot of work involved in the use of better biomaterials, implant design, surface modification and functionalization of surfaces to improve the long-term outcomes of the treatment. This paper provides a brief history and evolution of dental implants. It also describes the types of implants that have been developed, and the parameters that are presently used in the design of dental implants. Finally, it describes the trends that are employed to improve dental implant surfaces, and current technologies used for the analysis and design of the implants.

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“…Some studies 17,19,[117][118][119] have recommended the use of lasers as an adjunct to the conventional nonsurgical treatment of peri-implantitis. It has been shown that carbon dioxide (CO 2 ) and 980-nm diode lasers do not affect implant surfaces during irradiation of implant surfaces as compared with other lasers, such as Neodymium-doped Yttrium-Aluminum-Garnet (Nd:YAG) and Erbium:YAG laser.…”

Section: Lasers In the Treatment Of Peri-implant Diseasesmentioning

confidence: 99%