{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T12:18:57Z","timestamp":1789474737552,"version":"build-2803163510"},"reference-count":56,"publisher":"The Angle Orthodontist (EH Angle Education & Research Foundation)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives:\u2002<\/jats:title>\n                    <jats:p>To examine the relationship between palatally displaced maxillary canines (PDC) and the maxillary transverse dimension using cone-beam computed tomography (CBCT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:\u2002<\/jats:title>\n                    <jats:p>Thirty-three patients (11 males and 22 females, mean age 18.2 years) with PDC were matched to 66 patients (22 males and 44 females, mean age 18.1 years) without PDC (control) by gender, age, and posterior occlusion. A CBCT image was taken on all the patients prior to any orthodontic treatment. For each patient the maxillary basal bone widths and interdental widths at the maxillary first molars and first and second premolars were measured on axial and coronal sections of CBCT images. In addition, the presence of permanent tooth agenesis and the widths of maxillary incisors were recorded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:\u2002<\/jats:title>\n                    <jats:p>\n                      Similar maxillary transverse dimensions, both skeletally and dentally, were found between the PDC and control groups. In the PDC group, the number of patients with permanent tooth agenesis was six times higher than in the control group. In addition, the maxillary lateral incisors on PDC-affected sides were smaller than those of control group (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:\u2002<\/jats:title>\n                    <jats:p>\n                      The maxillary transverse dimension, both skeletally and dentally, had no effect on the occurrence of PDC. The higher prevalence of permanent tooth agenesis was found in the PDC group. Moreover, the mean mesiodistal width of maxillary lateral incisors in the PDC group was significantly smaller than in the control group (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05).\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.2319\/032614-226.1","type":"journal-article","created":{"date-parts":[[2014,8,6]],"date-time":"2014-08-06T08:54:36Z","timestamp":1407315276000},"page":"440-445","source":"Crossref","is-referenced-by-count":35,"title":["Relationship between the maxillary transverse dimension and palatally displaced canines: A cone-beam computed tomographic study"],"prefix":"10.2319","volume":"85","author":[{"given":"Wei-Hsin","family":"Hong","sequence":"first","affiliation":[{"name":"Former Orthodontic Resident, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, Philadelphia, Pa."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebecca","family":"Radfar","sequence":"additional","affiliation":[{"name":"Former Orthodontic Resident, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, Philadelphia, Pa."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chun-Hsi","family":"Chung","sequence":"additional","affiliation":[{"name":"Chauncey M. F. Egel Endowed Chair and Associate Professor, Department of Orthodontics, University of Pennsylvania School of Dental Medicine, Philadelphia, Pa."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1164","reference":[{"key":"r1","series-title":"The Orthodontic Treatment of Impacted Teeth","author":"Becker\n              A.","year":"1998","unstructured":"Becker\n              A. \n          \n          The Orthodontic Treatment of Impacted Teeth. St Louis, Mo: Mosby-Year Book; 1998."},{"key":"r2","series-title":"Angle Orthod","first-page":"249","article-title":"The palatally displaced canine as a dental anomaly of genetic origin","volume":"64","author":"Peck\n              S,","year":"1994","unstructured":"Peck\n              S, \n            \n              Peck\n              L, \n            \n              Kataja\n              M. \n          \n          The palatally displaced canine as a dental anomaly of genetic origin. 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Am J Orthod. 1983;84:125\u2013132."},{"key":"r7","series-title":"Am J Orthod Dentofacial Orthop","first-page":"527","article-title":"Etiologic factors for buccal and palatal maxillary canine impaction: a perspective based on cone-beam computed tomography analyses","volume":"143","author":"Yan\n              B,","year":"2013","unstructured":"Yan\n              B, \n            \n              Sun\n              Z, \n            \n              Fields\n              H, \n            \n              Wang\n              L, \n            \n              Luo\n              L. \n          \n          Etiologic factors for buccal and palatal maxillary canine impaction: a perspective based on cone-beam computed tomography analyses. 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Eur J Orthod. 1986;8:12\u201316."},{"key":"r9","series-title":"Angle Orthod","first-page":"24","article-title":"The incidence of anomalous maxillary lateral incisors in relation to palatally-displaced cuspids","volume":"51","author":"Becker\n              A,","year":"1981","unstructured":"Becker\n              A, \n            \n              Smith\n              P, \n            \n              Behar\n              R. \n          \n          The incidence of anomalous maxillary lateral incisors in relation to palatally-displaced cuspids. 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ASDC J Dent Child. 1996;63:190\u2013195."},{"key":"r14","series-title":"Am J Orthod Dentofacial Orthop","first-page":"220","article-title":"Adequacy of maxillary dental arch width in patients with palatally displaced canines","volume":"118","author":"Langberg\n              BJ,","year":"2000","unstructured":"Langberg\n              BJ, \n            \n              Peck\n              S. \n          \n          Adequacy of maxillary dental arch width in patients with palatally displaced canines. Am J Orthod Dentofacial Orthop. 2000;118:220\u2013223."},{"key":"r15","series-title":"Eur J Orthod","first-page":"461","article-title":"Space conditions and dental and occlusal features in patients with palatally impacted maxillary canines: an aetiological study","volume":"27","author":"Al-Nimri\n              K,","year":"2005","unstructured":"Al-Nimri\n              K, \n            \n              Gharaibeh\n              T. \n          \n          Space conditions and dental and occlusal features in patients with palatally impacted maxillary canines: an aetiological study. 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Am J Orthod Dentofacial Orthop. 2006;129:511\u2013519."},{"key":"r17","series-title":"Am J Orthod Dentofacial Orthop","first-page":"398","article-title":"Effects of rapid palatal expansion on the sagittal and vertical dimensions of the maxilla: a study on cephalograms derived from cone-beam computed tomography","volume":"144","author":"Habeeb\n              M,","year":"2013","unstructured":"Habeeb\n              M, \n            \n              Boucher\n              N, \n            \n              Chung\n              C-H. \n          \n          Effects of rapid palatal expansion on the sagittal and vertical dimensions of the maxilla: a study on cephalograms derived from cone-beam computed tomography. Am J Orthod Dentofacial Orthop. 2013;144:398\u2013403."},{"key":"r18","series-title":"Am J Orthod Dentofacial Orthop","first-page":"S79","article-title":"Effects of bonded rapid palatal expansion on the transverse dimensions of the maxilla: a cone-beam computed tomography study","volume":"137","author":"Christie\n              KF,","year":"2010","unstructured":"Christie\n              KF, \n            \n              Boucher\n              N, \n            \n              Chung\n              C-H. \n          \n          Effects of bonded rapid palatal expansion on the transverse dimensions of the maxilla: a cone-beam computed tomography study. Am J Orthod Dentofacial Orthop. 2010;137:S79\u2013S85."},{"key":"r19","series-title":"Eur J Orthod","first-page":"41","article-title":"Ectopic eruption of the maxillary canine quantified in three dimensions on cephalometric radiographs between the ages of 5 and 15 years","volume":"21","author":"McSherry\n              P,","year":"1999","unstructured":"McSherry\n              P, \n            \n              Richardson\n              A. \n          \n          Ectopic eruption of the maxillary canine quantified in three dimensions on cephalometric radiographs between the ages of 5 and 15 years. 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Am J Orthod Dentofacial Orthop. 1987;91:483\u2013492."},{"key":"r22","series-title":"Am J Orthod Dentofacial Orthop","first-page":"657","article-title":"Interceptive treatment of palatal impaction of maxillary canines with rapid maxillary expansion: a randomized clinical trial","volume":"136","author":"Baccetti\n              T,","year":"2009","unstructured":"Baccetti\n              T, \n            \n              Mucedero\n              M, \n            \n              Leonardi\n              M, \n            \n              Cozza\n              P. \n          \n          Interceptive treatment of palatal impaction of maxillary canines with rapid maxillary expansion: a randomized clinical trial. Am J Orthod Dentofacial Orthop. 2009;136:657\u2013661."},{"key":"r23","series-title":"Eur J Orthod","first-page":"313","article-title":"Maxillary tooth size variation in dentitions with palatal canine displacement","volume":"24","author":"Becker\n              A,","year":"2002","unstructured":"Becker\n              A, \n            \n              Sharabi\n              S, \n            \n              Chaushu\n              S. \n          \n          Maxillary tooth size variation in dentitions with palatal canine displacement. Eur J Orthod. 2002;24:313\u2013318."},{"key":"r24","series-title":"Br J Orthod","first-page":"41","article-title":"Morphology of anterior teeth associated with displaced canines","volume":"24","author":"Brenchley\n              Z,","year":"1997","unstructured":"Brenchley\n              Z, \n            \n              Oliver\n              RG. \n          \n          Morphology of anterior teeth associated with displaced canines. Br J Orthod. 1997;24:41\u201345."},{"key":"r25","series-title":"Br J Orthod","first-page":"9","article-title":"Morphology of the maxillary lateral incisor in cases of unilateral impaction of the maxillary canine","volume":"16","author":"Oliver\n              RG,","year":"1989","unstructured":"Oliver\n              RG, \n            \n              Mannion\n              JE, \n            \n              Robinson\n              JM. \n          \n          Morphology of the maxillary lateral incisor in cases of unilateral impaction of the maxillary canine. Br J Orthod. 1989;16:9\u201316."},{"key":"r26","series-title":"Eur J Orthod","first-page":"367","article-title":"Dental and occlusal features in patients with palatally displaced maxillary canines","volume":"31","author":"Anic-Milosevic\n              S,","year":"2009","unstructured":"Anic-Milosevic\n              S, \n            \n              Varga\n              S, \n            \n              Mestrovic\n              S, \n            \n              Lapter-Varga\n              M, \n            \n              Slaj\n              M. \n          \n          Dental and occlusal features in patients with palatally displaced maxillary canines. 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Am J Orthod Dentofacial Orthop. 2010;137:S79\u2013S85."},{"key":"r19","series-title":"Eur J Orthod","first-page":"41","article-title":"Ectopic eruption of the maxillary canine quantified in three dimensions on cephalometric radiographs between the ages of 5 and 15 years","volume":"21","author":"McSherry\n              P,","year":"1999","unstructured":"McSherry\n              P, \n            \n              Richardson\n              A. \n          \n          Ectopic eruption of the maxillary canine quantified in three dimensions on cephalometric radiographs between the ages of 5 and 15 years. 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