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Article: Cone-beam computed tomography–synthesized cephalometric study of operated unilateral cleft lip and palate and noncleft children with Class III skeletal relationship

TitleCone-beam computed tomography–synthesized cephalometric study of operated unilateral cleft lip and palate and noncleft children with Class III skeletal relationship
Authors
Issue Date2016
Citation
American Journal of Orthodontics and Dentofacial Orthopedics, 2016, v. 150, n. 5, p. 802-810 How to Cite?
Abstract© 2016 American Association of Orthodontists Introduction Our objective was to compare the craniofacial hard and soft tissue characteristics between children with operated unilateral cleft lip and palate (UCLP) and children with noncleft lip and palate (non-CLP) with a Class III skeletal relationship. Methods The study sample consisted of 30 subjects (18 boys, 12 girls; mean age, 10.21 years) affected by UCLP and 30 non-CLP subjects (17 boys, 13 girls; mean age, 10.19 years) as the control group. All subjects were in the mixed dentition with a Class III skeletal relationship. Cone-beam computed tomography–synthesized cephalograms were traced and evaluated, and craniofacial hard and soft tissue morphologies were compared between the UCLP and non-CLP groups. Results Maxillary length and gonial angle were 2.66 mm shorter and 3.67° greater, respectively, in the UCLP group than those in the non-CLP group. The SNA and SNB angles describing the sagittal positions of the maxilla and mandible, respectively, relative to the cranial base were significantly smaller in the UCLP group (P <0.001 and P = 0.003, respectively). However, the 2 groups had similar sagittal intermaxillary relationships with similar ANB angles (P = 0.669). In the vertical dimension, the mandibular plane angle and the growth direction vector were significantly greater in the UCLP group (P = 0.007 and P <0.001, respectively). Lastly, the UCLP group had a more concave soft tissue profile, manifested by a reduced facial convexity angle, as well as an acute nasolabial angle and a more protruded lower lip. Conclusions Although the 2 groups had similar sagittal intermaxillary relationships, patients in the UCLP group had more retrusive maxillary and mandibular positions relative to the cranial base and more severe vertical discrepancies. Additionally, the soft tissue profiles of patients affected by UCLP were more concave, and the compensatory adaptation was less satisfactory.
Persistent Identifierhttp://hdl.handle.net/10722/267587
ISSN
2023 Impact Factor: 2.7
2023 SCImago Journal Rankings: 1.283
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLin, Yifan-
dc.contributor.authorFu, Zhen-
dc.contributor.authorMa, Lian-
dc.contributor.authorLi, Weiran-
dc.date.accessioned2019-02-22T04:08:26Z-
dc.date.available2019-02-22T04:08:26Z-
dc.date.issued2016-
dc.identifier.citationAmerican Journal of Orthodontics and Dentofacial Orthopedics, 2016, v. 150, n. 5, p. 802-810-
dc.identifier.issn0889-5406-
dc.identifier.urihttp://hdl.handle.net/10722/267587-
dc.description.abstract© 2016 American Association of Orthodontists Introduction Our objective was to compare the craniofacial hard and soft tissue characteristics between children with operated unilateral cleft lip and palate (UCLP) and children with noncleft lip and palate (non-CLP) with a Class III skeletal relationship. Methods The study sample consisted of 30 subjects (18 boys, 12 girls; mean age, 10.21 years) affected by UCLP and 30 non-CLP subjects (17 boys, 13 girls; mean age, 10.19 years) as the control group. All subjects were in the mixed dentition with a Class III skeletal relationship. Cone-beam computed tomography–synthesized cephalograms were traced and evaluated, and craniofacial hard and soft tissue morphologies were compared between the UCLP and non-CLP groups. Results Maxillary length and gonial angle were 2.66 mm shorter and 3.67° greater, respectively, in the UCLP group than those in the non-CLP group. The SNA and SNB angles describing the sagittal positions of the maxilla and mandible, respectively, relative to the cranial base were significantly smaller in the UCLP group (P <0.001 and P = 0.003, respectively). However, the 2 groups had similar sagittal intermaxillary relationships with similar ANB angles (P = 0.669). In the vertical dimension, the mandibular plane angle and the growth direction vector were significantly greater in the UCLP group (P = 0.007 and P <0.001, respectively). Lastly, the UCLP group had a more concave soft tissue profile, manifested by a reduced facial convexity angle, as well as an acute nasolabial angle and a more protruded lower lip. Conclusions Although the 2 groups had similar sagittal intermaxillary relationships, patients in the UCLP group had more retrusive maxillary and mandibular positions relative to the cranial base and more severe vertical discrepancies. Additionally, the soft tissue profiles of patients affected by UCLP were more concave, and the compensatory adaptation was less satisfactory.-
dc.languageeng-
dc.relation.ispartofAmerican Journal of Orthodontics and Dentofacial Orthopedics-
dc.titleCone-beam computed tomography–synthesized cephalometric study of operated unilateral cleft lip and palate and noncleft children with Class III skeletal relationship-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.ajodo.2016.03.031-
dc.identifier.pmid27871707-
dc.identifier.scopuseid_2-s2.0-84994689513-
dc.identifier.volume150-
dc.identifier.issue5-
dc.identifier.spage802-
dc.identifier.epage810-
dc.identifier.isiWOS:000388104300016-
dc.identifier.issnl0889-5406-

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