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        <name>The aim of the research project was to evaluate the use of shortwave-infrared radiation (SWIR) for navigation during stepwise access preparation. Nine teeth (3 anteriors, 3 premolars and 3 molars) were explanted en bloc with intact periodontium including alveolar bone and mucosa from the upper or lower jaw of human body donors. Because of body donors advanced age samples include clinically realistic and relevant features such as pulp obliterations, caries and restorations. A stepwise preparation was used to observe optical changes on the cavity floor with increasing preparation depth. At baseline (T0) and at preparation depths of 5 mm (T1), 7 mm (T2), and 9 mm (T3), white light pictures, radiographs, SWIR transillumination (SWIRT) and SWIR reflection (SWIRR) images were taken. At T2, µCT images of the samples were acquired and anatomically segmented into 3D-tooth models including enamel, dentin, pulp and bone. Radiomic feature analysis was performed on pulpal and parapulpal areas in SWIRT images at T2.</name>
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        <name>Ziel des Forschungsprojekts war es, die Verwendung von Nahinfrarotem Licht zur Navigation beim schrittweisen endodontischen Zugang zu bewerten. Neun Zähne (3 Frontzähne, 3 Prämolaren und 3 Molaren) wurden en bloc mit intaktem Zahnhalteapparat einschließlich Alveolarknochen und Schleimhaut aus dem Ober- oder Unterkiefer menschlicher Körperspender explantiert. Aufgrund des fortgeschrittenen Alters der Körperspender enthielten die Proben klinisch realistische und relevante Merkmale wie Pulpaverfärbungen, Karies und Restaurationen. Es wurde eine schrittweise Präparation durchgeführt, um optische Veränderungen am Kavitätenboden mit zunehmender Präparationstiefe zu beobachten. Zu Beginn (T0) und bei Präparationstiefen von 5 mm (T1), 7 mm (T2) und 9 mm (T3) wurden Weißlichtbilder, Röntgenbilder, Transilluminations- und Reflexionsbilder aufgenommen. Zum Zeitpunkt T2 wurden µCT-Bilder der Proben aufgenommen und anatomisch in 3D-Zahnmodelle mit Schmelz, Dentin, Pulpa und Knochen segmentiert. Die radiomische Merkmalsanalyse wurde für pulpale und parapulpale Bereiche in Transilluminations-Bildern bei T2 durchgeführt.</name>
        <lang>ger</lang>
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          <family>Benz</family>
          <given>Leander</given>
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          <family>Heck</family>
          <given>Katrin</given>
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          <family>Walter</family>
          <given>Elias</given>
        </name>
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    <keywords>
      <item>Optical Imaging</item>
      <item>X-Ray Microtomography</item>
      <item>3-D Imaging</item>
      <item>Segmentation</item>
      <item>Radiomics</item>
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          <family>Walter</family>
          <given>Elias</given>
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    <title>Data: Visualization of Pulpal Structures by SWIR in Endodontic Access Preparation</title>
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