{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T04:13:51Z","timestamp":1777522431463,"version":"3.51.4"},"reference-count":32,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2013,7,1]],"date-time":"2013-07-01T00:00:00Z","timestamp":1372636800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["The Cleft Palate Craniofacial Journal"],"published-print":{"date-parts":[[2013,7]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To compare the accuracy of three-dimensional computed tomography (3D-CT) and panoramic radiography in the evaluation of mandibular hypoplasia in patients with hemifacial microsomia (HFM).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Retrospective study of imaging data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Images selected from the archives of the University of Tokyo Hospital.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Subjects<\/jats:title>\n                    <jats:p>Twenty patients with unilateral HFM who had undergone both panoramic radiography and 3D-CT in the same period.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>Mandibular deformities were classified according to the Pruzansky classification; eight patients had Grade I deformity and 12 patients had Grade II deformity. Ramus heights were measured on both panoramic radiographs and 3D-CT.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main outcome measures<\/jats:title>\n                    <jats:p>Magnification in panoramic radiographs and extent of mandibular asymmetry as estimated by the affected\/unaffected side ratio based on two methods were examined. The Pearson product-moment correlation coefficient was used to estimate correlations between parameters.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The magnification of ramus heights on panoramic radiographs showed large variations in Grade II patients. The affected\/unaffected side ratio estimated by the two methods showed a strong correlation in Grade I patients (correlation coefficient 0.99; p &lt; .0001). Conversely, a weak correlation was seen in Grade II patients (correlation coefficient 0.77; p = .0036), and affected\/unaffected side ratios from panoramic radiographs were both over- and underestimated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The accuracy of evaluation using panoramic radiography was fairly reliable in Grade I patients. Conversely, accuracy was poor in Grade II patients, and evaluation using 3D-CT seems preferable. The combination of two methods with careful consideration is recommended for clinical applications.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1597\/11-188","type":"journal-article","created":{"date-parts":[[2012,2,5]],"date-time":"2012-02-05T15:07:02Z","timestamp":1328454422000},"page":"381-387","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":21,"title":["Evaluation of Mandibular Hypoplasia in Patients with Hemifacial Microsomia: A Comparison between Panoramic Radiography and Three-Dimensional Computed Tomography"],"prefix":"10.1177","volume":"50","author":[{"given":"Naoko","family":"Takahashi-Ichikawa","sequence":"first","affiliation":[{"name":"The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takafumi","family":"Susami","sequence":"additional","affiliation":[{"name":"The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kouhei","family":"Nagahama","sequence":"additional","affiliation":[{"name":"The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazumi","family":"Ohkubo","sequence":"additional","affiliation":[{"name":"Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mari","family":"Okayasu","sequence":"additional","affiliation":[{"name":"The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nasuko","family":"Uchino","sequence":"additional","affiliation":[{"name":"The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiwako","family":"Uwatoko","sequence":"additional","affiliation":[{"name":"The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideto","family":"Saijo","sequence":"additional","affiliation":[{"name":"Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshiyuki","family":"Mori","sequence":"additional","affiliation":[{"name":"Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tsuyoshi","family":"Takato","sequence":"additional","affiliation":[{"name":"Department of Oral-Maxillofacial Surgery, Dentistry and Orthodontics, The University of Tokyo Hospital, Tokyo, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2013,7,1]]},"reference":[{"key":"bibr1-11-188","first-page":"141","volume-title":"Orthodontic 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