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      Development of Three-Dimensional Dental Scanning Apparatus Using Structured Illumination

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          Abstract

          We demonstrated a three-dimensional (3D) dental scanning apparatus based on structured illumination. A liquid lens was used for tuning focus and a piezomotor stage was used for the shift of structured light. A simple algorithm, which detects intensity modulation, was used to perform optical sectioning with structured illumination. We reconstructed a 3D point cloud, which represents the 3D coordinates of the digitized surface of a dental gypsum cast by piling up sectioned images. We performed 3D registration of an individual 3D point cloud, which includes alignment and merging the 3D point clouds to exhibit a 3D model of the dental cast.

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          Microsoft Kinect Sensor and Its Effect

          Zhengyou Zhang (2012)
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            Human motion tracking for rehabilitation—A survey

            Huiyu Zhou, Huosheng Hu (2008)
            Article 0 comments Cited 103 times – based on 0 reviews     Review now
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              In vivo precision of conventional and digital methods of obtaining complete-arch dental impressions.

              Andreas Ender, Thomas Attin, Albert Mehl (2016)
              Digital impression systems have undergone significant development in recent years, but few studies have investigated the accuracy of the technique in vivo, particularly compared with conventional impression techniques.
              Article 0 comments Cited 99 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Sensors (Basel)
                Journal ID (iso-abbrev): Sensors (Basel)
                Journal ID (publisher-id): sensors
                Title: Sensors (Basel, Switzerland)
                Publisher: MDPI
                ISSN (Electronic): 1424-8220
                Publication date (Electronic): 15 July 2017
                Publication date Collection: July 2017
                Volume: 17
                Issue: 7
                Electronic Location Identifier: 1634
                Affiliations
                [1 ]Medical Photonics Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Korea; jaesung.ahn@ 123456kopti.re.kr (J.S.A.); anjin.park@ 123456kopti.re.kr (A.P.)
                [2 ]Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea; scienc2@ 123456gist.ac.kr
                [3 ]School of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea; leebh@ 123456gist.ac.kr
                Author notes
                [* ]Correspondence: jbeom@ 123456kopti.re.kr ; Tel.: +82-62-605-9292
                Author information
                https://orcid.org/0000-0002-5107-0848
                https://orcid.org/0000-0003-0454-4139
                Article
                Publisher ID: sensors-17-01634
                DOI: 10.3390/s17071634
                PMC ID: 5539490
                PubMed ID: 28714897
                SO-VID: 54310669-315f-4832-b664-a0429562d03c
                Copyright © © 2017 by the authors.
                License:

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

                History
                Date received : 19 June 2017
                Date accepted : 12 July 2017
                Categories
                Subject: Article

                ScienceOpen disciplines: Biomedical engineering
                Keywords: 3d intraoral scanner,structured illumination,liquid lens,3d point cloud
                Data availability:
                ScienceOpen disciplines: Biomedical engineering
                Keywords: 3d intraoral scanner, structured illumination, liquid lens, 3d point cloud

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