{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T10:40:40Z","timestamp":1780483240607,"version":"3.54.1"},"reference-count":22,"publisher":"The Angle Orthodontist (EH Angle Education & Research Foundation)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n        <jats:sec>\n          <jats:title>Objective:<\/jats:title>\n          <jats:p>To compare the reproducibility of landmark identification on three-dimensional (3D) cone-beam computed tomography (CBCT) images between procedures based on traditional cephalometric definitions (procedure 1) and those tentatively proposed for 3D images (procedure 2).<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Materials and Methods:<\/jats:title>\n          <jats:p>A phantom with embedded dried human skull was scanned using CBCT. The acquired volume data were transferred to a personal computer, and 3D images were reconstructed. Eighteen dentists plotted nine landmarks related to the jaws and teeth four times: menton (Me), pogonion (Po), upper-1 (U1), lower-1 (L1), left upper-6 (U6), left lower-6 (L6), gonion (Go), condyle (Cd), and coronoid process (Cp). The plotting reliabilities of the two procedures were compared by calculating standard deviations (SDs) in three components (x, y, and z) of coordinates and volumes of 95% confidence ellipsoid.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Results:<\/jats:title>\n          <jats:p>All 27 SDs for procedure 2 were less than 1\u00a0mm, and only five of them exceeded 0.5\u00a0mm. The variations were significantly different between the two procedures, and the SDs of procedure 2 were smaller than those of procedure 1 in 21 components of coordinates. The ellipsoid volumes were also smaller for procedure 2 than procedure 1, although a significant difference was not found.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Conclusions:<\/jats:title>\n          <jats:p>Definitions determined strictly on each three sectional images, such as for procedure 2, were required for sufficient reliability in identifying the landmark related to the jaws and teeth.<\/jats:p>\n        <\/jats:sec>","DOI":"10.2319\/010711-5.1","type":"journal-article","created":{"date-parts":[[2011,5,13]],"date-time":"2011-05-13T14:09:48Z","timestamp":1305295788000},"page":"843-849","source":"Crossref","is-referenced-by-count":23,"title":["Reproducibility of landmark identification in the jaw and teeth on 3-dimensional cone-beam computed tomography images"],"prefix":"10.2319","volume":"81","author":[{"given":"Mariko","family":"Fuyamada","sequence":"first","affiliation":[{"name":"Postgraduate student, Department of Orthodontics, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroyuki","family":"Nawa","sequence":"additional","affiliation":[{"name":"Assistant Professor, Department of Pediatric Dentistry, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Momoko","family":"Shibata","sequence":"additional","affiliation":[{"name":"Instructor, Department of Orthodontics, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuhito","family":"Yoshida","sequence":"additional","affiliation":[{"name":"Part-time Instructor, Department of Oral and Maxillofacial Radiology, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshitaka","family":"Kise","sequence":"additional","affiliation":[{"name":"Instructor, Department of Oral and Maxillofacial Radiology, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akitoshi","family":"Katsumata","sequence":"additional","affiliation":[{"name":"Associate Professor, Department Oral Radiology, Asahi University School of Dentistry, Hozumi, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eiichiro","family":"Ariji","sequence":"additional","affiliation":[{"name":"Professor and Department Chair, Department of Oral and Maxillofacial Radiology, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shigemi","family":"Goto","sequence":"additional","affiliation":[{"name":"Professor and Department Chair, Department of Orthodontics, Aichi-Gakuin University School of Dentistry, Nagoya, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1164","reference":[{"key":"i0003-3219-81-5-843-b01","series-title":"Dent Clin North Am","first-page":"395","article-title":"Three-dimensional computed tomography imaging in dentistry.","volume":"44","author":"Kawamata, A.","year":"2000","unstructured":"Kawamata, A., Y.Ariji, and R. 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