Mandibular asymmetry in unilateral and bilateral posterior crossbite patients using cone-beam computed tomography

Objective: To test the hypotheses that (1) there is no difference in mandibular asymmetry between
the crossbite and normal side in a unilateral crossbite group (UCG) and between the right and left
sides in a bilateral crossbite group (BCG) and a control group (CG); and (2) there is no significant
difference in mandibular asymmetry among crossbite groups and control group.
Materials and Methods: The cone-beam computed tomography scans of three groups were
studied: (1) 15 patients (6 male, 9 female; mean age: 13.51 6 2.03 years) with unilateral posterior
crossbite; (2) 15 patients (8 male, 7 female; mean age: 13.36 6 2.12 years) with bilateral posterior
crossbite; and (3) 15 patients (8 male, 7 female; mean age: 13.46 6 1.53 years) as a control group.
Fourteen parameters (eight linear, three surface, and three volumetric) were measured. Side
comparisons were analyzed with paired samples t-test, and for the intergroup comparison, analysis
of variance (ANOVA) and Tukey tests were used at the P , .05 level.
Results: According to side comparisons, no statistically significant difference was found in the
UCG. There were statistically significant differences in hemimandibular (P 5 .008) and ramal (P 5
.004) volumes for the BCG and in ramal height (P 5 .024) and body length (P 5 .021) for the CG.
Intergroup comparisons revealed significant differences in hemimandibular (P 5 .002) and body
volume (P , .001) for the normal side of the UCG and left sides of the other groups, and in angular
unit length (P 5 .025) and condylar width (P 5 .007) for the crossbite side of the UCG and the right
sides of the other groups.
Conclusions: Contrary to UCG, CG and BCG were found to have side-specific asymmetry.
Skeletal components of the mandible have significant asymmetry among the crossbite groups and
the CG.

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Eser ady
(dc.title)
Mandibular asymmetry in unilateral and bilateral posterior crossbite patients using cone-beam computed tomography
Eser Sahibi
(dc.contributor.author)
İLKNUR VELİ
Neşir senesi
(dc.date.issued)
2011
Diğer Yazarlar
(dc.contributor.authors)
TANCAN UYSAL
Diğer Yazarlar
(dc.contributor.authors)
TÖRÜN ÖZER
Diğer Yazarlar
(dc.contributor.authors)
FARUK İZZET UYSAL
Diğer Yazarlar
(dc.contributor.authors)
MURAT ERUZ
Publisher
(dc.publisher)
The E. H. Angle Education and Research Foundation
Görnüş
(dc.type)
Makale
Gysga Maglumat
(dc.description.abstract)
Objective: To test the hypotheses that (1) there is no difference in mandibular asymmetry between the crossbite and normal side in a unilateral crossbite group (UCG) and between the right and left sides in a bilateral crossbite group (BCG) and a control group (CG); and (2) there is no significant difference in mandibular asymmetry among crossbite groups and control group. Materials and Methods: The cone-beam computed tomography scans of three groups were studied: (1) 15 patients (6 male, 9 female; mean age: 13.51 6 2.03 years) with unilateral posterior crossbite; (2) 15 patients (8 male, 7 female; mean age: 13.36 6 2.12 years) with bilateral posterior crossbite; and (3) 15 patients (8 male, 7 female; mean age: 13.46 6 1.53 years) as a control group. Fourteen parameters (eight linear, three surface, and three volumetric) were measured. Side comparisons were analyzed with paired samples t-test, and for the intergroup comparison, analysis of variance (ANOVA) and Tukey tests were used at the P , .05 level. Results: According to side comparisons, no statistically significant difference was found in the UCG. There were statistically significant differences in hemimandibular (P 5 .008) and ramal (P 5 .004) volumes for the BCG and in ramal height (P 5 .024) and body length (P 5 .021) for the CG. Intergroup comparisons revealed significant differences in hemimandibular (P 5 .002) and body volume (P , .001) for the normal side of the UCG and left sides of the other groups, and in angular unit length (P 5 .025) and condylar width (P 5 .007) for the crossbite side of the UCG and the right sides of the other groups. Conclusions: Contrary to UCG, CG and BCG were found to have side-specific asymmetry. Skeletal components of the mandible have significant asymmetry among the crossbite groups and the CG.
Täzelenenç Düzümleniş Senesi
(dc.date.accessioned)
13.06.2014
Açık Erişim Tarihi
(dc.date.available)
2014-06-13
Yayın Dili
(dc.language.iso)
eng
Konu Başlıkları
(dc.subject)
Asymmetry
Konu Başlıkları
(dc.subject)
Cone-beam computed tomography
Konu Başlıkları
(dc.subject)
Crossbite
Atıf için Künye
(dc.identifier.citation)
Veli, I., Uysal, T., Ozer, T., Ucar, F.I., Eruz, M. (2011). Mandibular asymmetry in unilateral and bilateral posterior crossbite patients using cone-beam computed tomography. The Angle Orthodontist, 81 (6), 966–974. DOI: 10.2319/022011-122.1
ISSN
(dc.identifier.issn)
0003-3219
Yayının ilk sayfa sayısı
(dc.identifier.startpage)
966
Yayının son sayfa sayısı
(dc.identifier.endpage)
974
Dergi Sayısı
(dc.identifier.issue)
6
Dergi Cilt
(dc.identifier.volume)
81
Haklar
(dc.rights)
Open access
Iňleýin Görnüşli Salgysy
(dc.identifier.uri)
Http://hdl.handle.net/11469/152
Analizler
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