{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T07:14:44Z","timestamp":1775200484755,"version":"3.50.1"},"reference-count":40,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2017,7,15]],"date-time":"2017-07-15T00:00:00Z","timestamp":1500076800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Ministry of Trade, Industry&amp;Energy","award":["10048888"],"award-info":[{"award-number":["10048888"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>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.<\/jats:p>","DOI":"10.3390\/s17071634","type":"journal-article","created":{"date-parts":[[2017,7,18]],"date-time":"2017-07-18T03:45:16Z","timestamp":1500349516000},"page":"1634","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Development of Three-Dimensional Dental Scanning Apparatus Using Structured Illumination"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5107-0848","authenticated-orcid":false,"given":"Jae","family":"Ahn","sequence":"first","affiliation":[{"name":"Medical Photonics Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Korea"}]},{"given":"Anjin","family":"Park","sequence":"additional","affiliation":[{"name":"Medical Photonics Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Korea"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0454-4139","authenticated-orcid":false,"given":"Ju","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea"}]},{"given":"Byeong","family":"Lee","sequence":"additional","affiliation":[{"name":"School of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea"}]},{"given":"Joo","family":"Eom","sequence":"additional","affiliation":[{"name":"Medical Photonics Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2017,7,15]]},"reference":[{"key":"ref_1","unstructured":"Nedevschi, S., Danescu, R., Frentiu, D., Marita, T., Oniga, F., Pocol, C., Schmidt, R., and Graf, T. 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