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On site noninvasive assessment of peri‐implant inflammation by optical spectroscopy

Identifieur interne : 005C05 ( Istex/Corpus ); précédent : 005C04; suivant : 005C06

On 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. Liu

Source :

RBID : ISTEX:B8B30A407A14F950157944CE8949CE1B0C732754

English descriptors

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

ISTEX:B8B30A407A14F950157944CE8949CE1B0C732754

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<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>
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<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>
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<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>
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<title>Journal of Periodontal Research</title>
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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>
<total>7</total>
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<identifier type="ark">ark:/67375/WNG-PXBTF7MJ-R</identifier>
<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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<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
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