{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:48:50Z","timestamp":1787014130580,"version":"build-2736575974"},"reference-count":31,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,5,26]],"date-time":"2020-05-26T00:00:00Z","timestamp":1590451200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002597","name":"Kyung Hee University","doi-asserted-by":"publisher","award":["KHU\u201020191059"],"award-info":[{"award-number":["KHU\u201020191059"]}],"id":[{"id":"10.13039\/501100002597","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Eur J Dental Education"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>This study aimed to validate a three\u2010dimensional (3D) printed model to provide training for supernumerary teeth (SNTs) extraction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Each of the 30 participants, grouped as experienced and without experience, conducted two identically simulated surgeries on a 3D\u2010printed replica of human mixed dentition with a SNT. The surgery time, area of bony window and volume of removed material were measured; subsequently, responses to a five\u2010item questionnaire were recorded. The collected data were statistically analysed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The surgery time was 228.37\u00a0\u00b1\u00a0141.53\u00a0seconds and 125.47\u00a0\u00b1\u00a053.03\u00a0seconds in the first and second surgery, respectively. The training significantly decreased the surgery time in the participants without experience (\n                      <jats:italic>P\u00a0=\u00a0<\/jats:italic>\n                      .000). However, there were no significant differences in the area of window opening (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a0.271) and volume of removed material between the two surgeries (\n                      <jats:italic>P\u00a0=\u00a0<\/jats:italic>\n                      .075). The participants who perceived educational benefits accounted for more than 60% of the respondents for every question. Participants without experience in SNT extraction showed a tendency to rate a higher score than did those with experience.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>A 3D\u2010printed model for surgical extraction of a SNT can improve surgical skill and, especially, shorten the learning curve in beginners.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/eje.12543","type":"journal-article","created":{"date-parts":[[2020,5,13]],"date-time":"2020-05-13T19:33:18Z","timestamp":1589398398000},"page":"637-643","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Validation of a three\u2010dimensional printed model for training of surgical extraction of supernumerary teeth"],"prefix":"10.1111","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8059-9305","authenticated-orcid":false,"given":"Yong Kwon","family":"Chae","sequence":"first","affiliation":[{"name":"Department of Pediatric Dentistry School of Dentistry Kyung Hee University Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5660-9515","authenticated-orcid":false,"given":"Hyeonjong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Dental Research Institute, Dental and Life Science Institute, School of Dentistry Pusan National University Yangsan Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9579-076X","authenticated-orcid":false,"given":"Myeong Kwan","family":"Jih","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry School of Dentistry Chosun University Gwangju Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7287-5082","authenticated-orcid":false,"given":"Hyo\u2010Seol","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry School of Dentistry Kyung Hee University Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9902-347X","authenticated-orcid":false,"given":"Jung\u2010Woo","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery School of Dentistry Kyung Hee University Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3431-453X","authenticated-orcid":false,"given":"Su\u2010Hwan","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Dentistry, College of Medicine University of Ulsan Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2075-3136","authenticated-orcid":false,"given":"Gyu\u2010Tae","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Radiology School of Dentistry Kyung Hee University Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7221-2000","authenticated-orcid":false,"given":"Sung Chul","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry School of Dentistry Kyung Hee University Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6386-803X","authenticated-orcid":false,"given":"Ok Hyung","family":"Nam","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry School of Dentistry Kyung Hee University Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,5,26]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1834-7819.1997.tb00114.x"},{"key":"e_1_2_10_3_1","first-page":"204","article-title":"Anterior supernumerary teeth\u2013assessment and surgical intervention in children","volume":"3","author":"Primosch RE","year":"1981","journal-title":"Pediatr Dent"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02676545"},{"key":"e_1_2_10_5_1","first-page":"390","article-title":"Radiographic determination of the prevalence of selected dental anomalies in children","volume":"38","author":"McKibben DR","year":"1971","journal-title":"ASDC J Dent Child"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1177\/00220345670460054701"},{"key":"e_1_2_10_7_1","first-page":"37","article-title":"Dental anomalies of number, form and size: their prevalence in British schoolchildren","volume":"5","author":"Brook AH","year":"1974","journal-title":"J Int Assoc Dent Child"},{"key":"e_1_2_10_8_1","first-page":"1","article-title":"Aplasia, supernumerary teeth and fused teeth in the primary dentition. 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