On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy
Identifieur interne : 005C05 ( Istex/Corpus ); précédent : 005C04; suivant : 005C06On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy
Auteurs : G. Nogueira-Filho ; X. M. Xiang ; J. A. Shibli ; P. M. Duarte ; M. G. Sowa ; D. S. Ferrari ; T. Onuma ; L. A. G. De Cardoso ; K. LiuSource :
- Journal of Periodontal Research [ 0022-3484 ] ; 2011-06.
English descriptors
- KwdEn :
- Ankylosed teeth, Bone loss, Clin, Clin periodontol, Clinical parameters, Clinical trial, Crevicular fluid, Dental implants, Deoxygenated hemoglobin, Diseased, Diseased sites, Exclusion criteria, Feasible approach, Guarulhos university, Hbo2, Healthy sites, Hemodynamic, Hemodynamic alterations, Hemodynamic changes, Hemodynamic indices, Hydration, Implant, Implant mobility, Lesion, Loss function, Marginal inflammation, Mucosal, Mucositis, Mucositis group, Mucositis sites, Multiple parameters, National research council, Natural teeth, Optical spectra, Optical spectroscopy, Osseointegrated implants, Oxygen saturation, Oxygen tension, Oxygenated hemoglobin, Oxygenation, Periimplantitis, Periimplantitis sites, Periodontal, Periodontal disease, Periodontal tissue, Periodontal tissues, Periodontol, Present study, Previous study, Radiographic, Radiographic bone loss, Radiographic examination, Radiographic parameters, Relative concentrations, Relative contribution, Resective surgery, Site noninvasive assessment, Soft tissue margin, Soft tissues, Spectroscopy, Study protocol, Suppuration, Tissue edema, Tissue hemoglobin oxygen saturation, Tissue hydration, Tissue hydration index, Tissue oxygen saturation, Tissue oxygenation, Tissue perfusion, Titanium implants, Total tissue hemoglobin, Unmixing model, Vertical bars, Visible region.
- Teeft :
- Ankylosed teeth, Bone loss, Clin, Clin periodontol, Clinical parameters, Clinical trial, Crevicular fluid, Dental implants, Deoxygenated hemoglobin, Diseased, Diseased sites, Exclusion criteria, Feasible approach, Guarulhos university, Hbo2, Healthy sites, Hemodynamic, Hemodynamic alterations, Hemodynamic changes, Hemodynamic indices, Hydration, Implant, Implant mobility, Lesion, Loss function, Marginal inflammation, Mucosal, Mucositis, Mucositis group, Mucositis sites, Multiple parameters, National research council, Natural teeth, Optical spectra, Optical spectroscopy, Osseointegrated implants, Oxygen saturation, Oxygen tension, Oxygenated hemoglobin, Oxygenation, Periimplantitis, Periimplantitis sites, Periodontal, Periodontal disease, Periodontal tissue, Periodontal tissues, Periodontol, Present study, Previous study, Radiographic, Radiographic bone loss, Radiographic examination, Radiographic parameters, Relative concentrations, Relative contribution, Resective surgery, Site noninvasive assessment, Soft tissue margin, Soft tissues, Spectroscopy, Study protocol, Suppuration, Tissue edema, Tissue hemoglobin oxygen saturation, Tissue hydration, Tissue hydration index, Tissue oxygen saturation, Tissue oxygenation, Tissue perfusion, Titanium implants, Total tissue hemoglobin, Unmixing model, Vertical bars, Visible region.
Abstract
Nogueira‐Filho G, Xiang XM, Shibli JA, Duarte PM, Sowa MG, Ferrari DS, Onuma T, de Cardoso LAG, Liu K‐Z. On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy. J Periodont Res 2011; 46: 382–388. © 2011 John Wiley & Sons A/S
Url:
DOI: 10.1111/j.1600-0765.2011.01361.x
Links to Exploration step
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<front><div type="abstract">Nogueira‐Filho G, Xiang XM, Shibli JA, Duarte PM, Sowa MG, Ferrari DS, Onuma T, de Cardoso LAG, Liu K‐Z. On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy. J Periodont Res 2011; 46: 382–388. © 2011 John Wiley & Sons A/S</div>
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<hi rend="italic">Nogueira‐Filho G, Xiang XM, Shibli JA, Duarte PM, Sowa MG, Ferrari DS, Onuma T, de Cardoso LAG, Liu K‐Z. On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy. J Periodont Res 2011; 46: 382–388. © 2011 John Wiley & Sons A/S</hi>
</p>
<p><hi rend="bold">Background and Objective: </hi>
Optical spectroscopy has been proposed to measure regional tissue hemodynamics in periodontal tissue. The objective of this study was to further evaluate the diagnostic potential of optical spectroscopy in peri‐implant inflammation <hi rend="italic">in vivo</hi>
by assessing multiple inflammatory parameters (tissue oxygenation, total tissue hemoglobin, deoxyhemoglobin, oxygenated hemoglobin and tissue edema) simultaneously.</p>
<p><hi rend="bold">Material and Methods: </hi>
A cross‐sectional study was performed in a total of 64 individuals who presented with dental implants in different stages of inflammation. In brief, visible–near‐infrared spectra were obtained, processed and evaluated from healthy (<hi rend="italic">n</hi>
= 151), mucositis (<hi rend="italic">n</hi>
= 70) and peri‐implantitis sites (<hi rend="italic">n</hi>
= 75) using a portable spectrometer. A modified Beer–Lambert unmixing model that incorporates a nonparametric scattering loss function was employed to determine the relative contribution of each inflammatory component to the overall spectrum.</p>
<p><hi rend="bold">Results: </hi>
Tissue oxygenation at peri‐implantitis sites was significantly decreased (<hi rend="italic">p</hi>
< 0.05) when compared with that at healthy sites, which was largely due to an increase in deoxyhemoglobin and a decrease in oxyhemoglobin at the peri‐implantitis sites compared with the mucositis and healthy sites. In addition, the tissue hydration index derived from the optical spectra in mucositis was significantly higher than that in other groups (<hi rend="italic">p</hi>
< 0.05).</p>
<p><hi rend="bold">Conclusion: </hi>
In summary, the results of this study revealed that hemodynamic alterations can be detected around diseased peri‐implant sites by optical spectroscopy, and this method may be considered an alternative and feasible approach for the monitoring and diagnosis of peri‐implant diseases.</p>
</abstract>
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<abstractGroup><abstract type="main" xml:lang="en"><p> <i>Nogueira‐Filho G, Xiang XM, Shibli JA, Duarte PM, Sowa MG, Ferrari DS, Onuma T, de Cardoso LAG, Liu K‐Z. On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy. J Periodont Res 2011; 46: 382–388. © 2011 John Wiley & Sons A/S</i>
</p>
<p><b>Background and Objective: </b>
Optical spectroscopy has been proposed to measure regional tissue hemodynamics in periodontal tissue. The objective of this study was to further evaluate the diagnostic potential of optical spectroscopy in peri‐implant inflammation <i>in vivo</i>
by assessing multiple inflammatory parameters (tissue oxygenation, total tissue hemoglobin, deoxyhemoglobin, oxygenated hemoglobin and tissue edema) simultaneously.</p>
<p><b>Material and Methods: </b>
A cross‐sectional study was performed in a total of 64 individuals who presented with dental implants in different stages of inflammation. In brief, visible–near‐infrared spectra were obtained, processed and evaluated from healthy (<i>n</i>
= 151), mucositis (<i>n</i>
= 70) and peri‐implantitis sites (<i>n</i>
= 75) using a portable spectrometer. A modified Beer–Lambert unmixing model that incorporates a nonparametric scattering loss function was employed to determine the relative contribution of each inflammatory component to the overall spectrum.</p>
<p><b>Results: </b>
Tissue oxygenation at peri‐implantitis sites was significantly decreased (<i>p</i>
< 0.05) when compared with that at healthy sites, which was largely due to an increase in deoxyhemoglobin and a decrease in oxyhemoglobin at the peri‐implantitis sites compared with the mucositis and healthy sites. In addition, the tissue hydration index derived from the optical spectra in mucositis was significantly higher than that in other groups (<i>p</i>
< 0.05).</p>
<p><b>Conclusion: </b>
In summary, the results of this study revealed that hemodynamic alterations can be detected around diseased peri‐implant sites by optical spectroscopy, and this method may be considered an alternative and feasible approach for the monitoring and diagnosis of peri‐implant diseases.</p>
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<abstract>Nogueira‐Filho G, Xiang XM, Shibli JA, Duarte PM, Sowa MG, Ferrari DS, Onuma T, de Cardoso LAG, Liu K‐Z. On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy. J Periodont Res 2011; 46: 382–388. © 2011 John Wiley & Sons A/S</abstract>
<abstract>Background and Objective: Optical spectroscopy has been proposed to measure regional tissue hemodynamics in periodontal tissue. The objective of this study was to further evaluate the diagnostic potential of optical spectroscopy in peri‐implant inflammation in vivo by assessing multiple inflammatory parameters (tissue oxygenation, total tissue hemoglobin, deoxyhemoglobin, oxygenated hemoglobin and tissue edema) simultaneously.</abstract>
<abstract>Material and Methods: A cross‐sectional study was performed in a total of 64 individuals who presented with dental implants in different stages of inflammation. In brief, visible–near‐infrared spectra were obtained, processed and evaluated from healthy (n = 151), mucositis (n = 70) and peri‐implantitis sites (n = 75) using a portable spectrometer. A modified Beer–Lambert unmixing model that incorporates a nonparametric scattering loss function was employed to determine the relative contribution of each inflammatory component to the overall spectrum.</abstract>
<abstract>Results: Tissue oxygenation at peri‐implantitis sites was significantly decreased (p < 0.05) when compared with that at healthy sites, which was largely due to an increase in deoxyhemoglobin and a decrease in oxyhemoglobin at the peri‐implantitis sites compared with the mucositis and healthy sites. In addition, the tissue hydration index derived from the optical spectra in mucositis was significantly higher than that in other groups (p < 0.05).</abstract>
<abstract>Conclusion: In summary, the results of this study revealed that hemodynamic alterations can be detected around diseased peri‐implant sites by optical spectroscopy, and this method may be considered an alternative and feasible approach for the monitoring and diagnosis of peri‐implant diseases.</abstract>
<subject lang="en"><genre>keywords</genre>
<topic>optical spectroscopy</topic>
<topic>inflammation</topic>
<topic>dental implant</topic>
<topic>peri‐implantitis</topic>
<topic>tissue oxygenation</topic>
</subject>
<relatedItem type="host"><titleInfo><title>Journal of Periodontal Research</title>
</titleInfo>
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<identifier type="ISSN">0022-3484</identifier>
<identifier type="eISSN">1600-0765</identifier>
<identifier type="DOI">10.1111/(ISSN)1600-0765</identifier>
<identifier type="PublisherID">JRE</identifier>
<part><date>2011</date>
<detail type="volume"><caption>vol.</caption>
<number>46</number>
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<detail type="issue"><caption>no.</caption>
<number>3</number>
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<extent unit="pages"><start>382</start>
<end>388</end>
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<identifier type="DOI">10.1111/j.1600-0765.2011.01361.x</identifier>
<identifier type="ArticleID">JRE1361</identifier>
<accessCondition type="use and reproduction" contentType="copyright">© 2011 John Wiley & Sons A/S</accessCondition>
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