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  <doc>
    <id>5143</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
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    <type>bookpart</type>
    <publisherName>Springer</publisherName>
    <publisherPlace>Berlin ; Heidelberg</publisherPlace>
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    <belongsToBibliography>0</belongsToBibliography>
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    <title language="eng">In vitro optical detection of simulated blood pulse in a human tooth pulp model</title>
    <parentTitle language="eng">Biocompatibility of Dental Materials</parentTitle>
    <enrichment key="opus.import.date">2022-08-10T13:23:02+00:00</enrichment>
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    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Andreas Niklas</author>
    <author>Karl-Anton Hiller</author>
    <author>Andreas Jäger</author>
    <author>M. Brandt</author>
    <author>Jürgen Putzger</author>
    <author>C. Ermer</author>
    <author>Irene Schulz</author>
    <author>Gareth J. Monkman</author>
    <author>Stephan Giglberger</author>
    <author>Marion Hirmer</author>
    <author>Sergey N. Danilov</author>
    <author>Sergey D. Ganichev</author>
    <author>Gottfried Schmalz</author>
    <collection role="institutes" number="FakEI">Fakultät Elektro- und Informationstechnik</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Mechatronics Research Unit (MRU)</collection>
  </doc>
  <doc>
    <id>5145</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>366</pageFirst>
    <pageLast>375</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>33</volume>
    <type>article</type>
    <publisherName>Springer</publisherName>
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    <contributingCorporation/>
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    <title language="eng">Spectroscopic Study of Human Teeth and Blood from Visible to Terahertz Frequencies for Clinical Diagnosis of Dental Pulp Vitality</title>
    <abstract language="eng">Transmission spectra of wet human teeth and dentin slices, together with blood of different flow rates were investigated. The measurements carried out over a wide spectral range, from visible light down to terahertz radiation. The results make it possible to find the optimum light frequency for an all-optical determination of pulpal blood flow and, consequently, for clinically diagnosis of tooth vitality.</abstract>
    <parentTitle language="eng">Journal of Infrared, Millimeter, and Terahertz Waves</parentTitle>
    <identifier type="doi">10.1007/s10762-012-9872-3</identifier>
    <identifier type="issn">1866-6906</identifier>
    <enrichment key="opus.import.date">2022-08-10T13:23:02+00:00</enrichment>
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    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Marion Hirmer</author>
    <author>Sergey N. Danilov</author>
    <author>Stephan Giglberger</author>
    <author>Jürgen Putzger</author>
    <author>Andreas Niklas</author>
    <author>Andreas Jäger</author>
    <author>Karl-Anton Hiller</author>
    <author>Gottfried Schmalz</author>
    <author>Britta Redlich</author>
    <author>Irene Schulz</author>
    <author>Gareth J. Monkman</author>
    <author>Sergey D. Ganichev</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Infrared and terahertz transmission</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dentin</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Lentic or flowing blood</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dental pulp vitality</value>
    </subject>
    <collection role="institutes" number="FakEI">Fakultät Elektro- und Informationstechnik</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Mechatronics Research Unit (MRU)</collection>
  </doc>
  <doc>
    <id>5150</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>142</pageFirst>
    <pageLast>146</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Shaker-Verlag</publisherName>
    <publisherPlace>Aachen</publisherPlace>
    <creatingCorporation>ARC</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">PPG signal acquisition and analysis on in vitro tooth model for dental pulp vitality assessmen</title>
    <parentTitle language="eng">2nd Applied Research Conference 2012 (ARC 2012), 25./26. June 2012, Nuremberg</parentTitle>
    <enrichment key="opus.import.date">2022-08-10T13:23:02+00:00</enrichment>
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    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Irene Schulz</author>
    <author>Jürgen Putzger</author>
    <author>Andreas Niklas</author>
    <author>M. Brandt</author>
    <author>Andreas Jäger</author>
    <author>A. Hardt</author>
    <author>S. Knörzer</author>
    <author>Karl-Anton Hiller</author>
    <author>S. Löffler</author>
    <author>Gottfried Schmalz</author>
    <author>Sergey N. Danilov</author>
    <author>Stephan Giglberger</author>
    <author>Marion Hirmer</author>
    <author>Sergey D. Ganichev</author>
    <author>Gareth J. Monkman</author>
    <collection role="institutes" number="FakEI">Fakultät Elektro- und Informationstechnik</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Mechatronics Research Unit (MRU)</collection>
  </doc>
  <doc>
    <id>3281</id>
    <completedYear/>
    <publishedYear>2019</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1121</pageFirst>
    <pageLast>1132</pageLast>
    <pageNumber/>
    <edition/>
    <issue>3</issue>
    <volume>23</volume>
    <type>article</type>
    <publisherName>Springer Nature</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Detection of pulsed blood flow through a molar pulp chamber and surrounding tissue in vitro</title>
    <abstract language="eng">OBJECTIVES&#13;
Due to severe limitations of dental pulp sensitivity tests, the direct recording of pulsed blood flow, using photoplethysmography (PPG), has been proposed. In vivo evaluation is methodologically difficult and in vitro models have hitherto been adversely influenced by shortcomings in emulating the in vivo situation. Consequently, the aim of this study was to test an improved data acquisition system and to use this configuration for recording pulsed blood in a new model.&#13;
MATERIALS AND METHODS&#13;
We introduced a PPG signal detection system by recording signals under different blood flow conditions at two wavelengths (625 and 940 nm). Pulsed blood flow signals were measured using an in vitro model, containing a molar with a glass pulp and a resin socket, which closely resembled in vivo conditions with regard to volumetric blood flow, pulp anatomy, and surrounding tissue.&#13;
RESULTS&#13;
The detection system showed improved signal strength without stronger blanketing of noise. On the tooth surface, it was possible to detect signals emanating from pulsed blood flow from the glass pulp and from surrounding tissue at 625 nm. At 940 nm, pulp derived signals were recorded, without interference signals from surrounding tissue.&#13;
CONCLUSION&#13;
The PPG-based method has the potential to detect pulsed blood flow in small volumes in the pulp and (at 625 nm) also in adjacent tissues.&#13;
CLINICAL RELEVANCE&#13;
The results show the need for clear differentiation of the spatial origins of blood flow signals of any vitality test method to be applied to teeth.</abstract>
    <parentTitle language="eng">Journal of Clinical Oral Investigations</parentTitle>
    <identifier type="doi">10.1007/s00784-018-2530-y</identifier>
    <enrichment key="opus.import.date">2022-03-29T05:54:04+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
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    <enrichment key="BegutachtungStatus">peer-reviewed</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>S. Knörzer</author>
    <author>Karl-Anton Hiller</author>
    <author>M. Brandt</author>
    <author>Andreas Niklas</author>
    <author>Jürgen Putzger</author>
    <author>Gareth J. Monkman</author>
    <author>Sergey N. Danilov</author>
    <author>Sergey D. Ganichev</author>
    <author>Irene Schulz</author>
    <author>Gottfried Schmalz</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dental Pulp</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dental Pulp Cavity</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dental Pulp Test</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Laser-Doppler Flowmetry</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Molar</value>
    </subject>
    <collection role="institutes" number="FakEI">Fakultät Elektro- und Informationstechnik</collection>
    <collection role="othforschungsschwerpunkt" number="16317">Sensorik</collection>
    <collection role="institutes" number="">Mechatronics Research Unit (MRU)</collection>
  </doc>
  <doc>
    <id>5154</id>
    <completedYear/>
    <publishedYear>2011</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
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    <type>conferencesummary</type>
    <publisherName/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Spectroscopic Study of Human Teeth and Blood from Visible to Terahertz Frequencies for Clinical Diagnosis of Dental Pulp Vitality</title>
    <abstract language="eng">Transmission spectra of wet human teeth and dentin slices, together with blood of different flow rates were investigated. The measurements carried out over a wide spectral range, from visible light down to terahertz radiation. The results make it possible to find the optimum light frequency for an all-optical determination of pulpal blood flow and, consequently, for clinically diagnosis of tooth vitality.</abstract>
    <parentTitle language="eng">PACS, November 11, 2011</parentTitle>
    <enrichment key="opus.import.date">2022-08-10T13:23:02+00:00</enrichment>
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    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Marion Hirmer</author>
    <author>Sergey N. Danilov</author>
    <author>Stephan Giglberger</author>
    <author>Jürgen Putzger</author>
    <author>Andreas Niklas</author>
    <author>Andreas Jäger</author>
    <author>Karl-Anton Hiller</author>
    <author>Gottfried Schmalz</author>
    <author>Britta Redlich</author>
    <author>Gareth J. Monkman</author>
    <author>Sergey D. Ganichev</author>
    <collection role="institutes" number="FakEI">Fakultät Elektro- und Informationstechnik</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Mechatronics Research Unit (MRU)</collection>
  </doc>
  <doc>
    <id>5144</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
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    <pageLast/>
    <pageNumber/>
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    <publisherName>IEEE</publisherName>
    <publisherPlace>Piscataway, NJ</publisherPlace>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Infrared spectroscopy for clinical diagnosis of dental pulp vitality</title>
    <abstract language="eng">Transmission spectra of wet human teeth and dentin slices, together with blood of different flow rates were investigated over a wide spectral range, from visible to terahertz (THz) light. The results make it possible to find the optimum light frequency for an all-optical determination of pulpal blood flow and, consequently, for clinically diagnosis of tooth vitality.</abstract>
    <parentTitle language="deu">37th International Conference on Infrared, Millimetre, and Terahertz Waves (IRMMW-THz 37), 23-28 September 2012 , Wollongong, Australia</parentTitle>
    <identifier type="doi">10.1109/IRMMW-THz.2012.6380091</identifier>
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    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>C. Drexler</author>
    <author>Marion Hirmer</author>
    <author>Sergey N. Danilov</author>
    <author>Stephan Giglberger</author>
    <author>Jürgen Putzger</author>
    <author>Andreas Niklas</author>
    <author>Andreas Jäger</author>
    <author>Karl-Anton Hiller</author>
    <author>S. Löffler</author>
    <author>Gottfried Schmalz</author>
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    <author>Irene Schulz</author>
    <author>Gareth J. Monkman</author>
    <author>Sergey D. Ganichev</author>
    <collection role="institutes" number="FakEI">Fakultät Elektro- und Informationstechnik</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Mechatronics Research Unit (MRU)</collection>
  </doc>
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