{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T07:59:32Z","timestamp":1740124772195,"version":"3.37.3"},"reference-count":31,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2023,12,13]],"date-time":"2023-12-13T00:00:00Z","timestamp":1702425600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,1,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>This study aims to evaluate the morphological features of gubernacular tract (GT) for erupting permanent mandibular canines at different ages from 5 to 9\u2009years old with a three-dimensional (3D) measurement method.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>The cone-beam CT images of 50 patients were divided into five age groups. The 3D models of the GT for mandibular canines were reconstructed and analysed. The characteristics of the GT, including length, diameter, ellipticity, tortuosity, superficial area, volume, and the angle between the canine and GT, were evaluated using a centreline fitting algorithm.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Among the 100 GTs that were examined, the length of the GT for mandibular canines decreased between the ages of 5 and 9\u2009years, while the diameter increased until the age of 7\u2009years. Additionally, the ellipticity and tortuosity of the GT decreased as age advanced. The superficial area and volume exhibited a trend of initially increasing and then decreasing. The morphological variations of the GT displayed heterogeneous changes during different periods.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The 3D measurement method effectively portrayed the morphological attributes of the GT for mandibular canines. The morphological characteristics of the GT during the eruption process exhibited significant variations. The variations in morphological changes may indicate different stages of mandibular canine eruption.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/dmfr\/twad008","type":"journal-article","created":{"date-parts":[[2024,1,10]],"date-time":"2024-01-10T00:14:07Z","timestamp":1704845647000},"page":"60-66","source":"Crossref","is-referenced-by-count":1,"title":["Morphological variation of gubernacular tracts for permanent mandibular canines in eruption: a three-dimensional analysis"],"prefix":"10.1093","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1824-5076","authenticated-orcid":false,"given":"Pei","family":"Liu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Renpeng","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong","family":"Cheng","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"},{"name":"Department of Oral Radiology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"},{"name":"Department of Oral Radiology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lili","family":"Wei","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China"},{"name":"Department of Oral Radiology, School & Hospital of Stomatology, Wuhan University , Wuhan, 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