Παρασκευή 22 Ιουλίου 2016

Cone Beam Computed Tomographic Evaluation of Mandibular Asymmetry in Patients With Cleft Lip and Palate.

Cone Beam Computed Tomographic Evaluation of Mandibular Asymmetry in Patients With Cleft Lip and Palate.

Cleft Palate Craniofac J. 2016 Jul 21;

Authors: Paknahad M, Shahidi S, Bahrampour E, Beladi AS, Khojastepour L

Abstract
OBJECTIVE:   The purpose of the present study was to compare mandibular vertical asymmetry in patients with unilateral and bilateral cleft lip and palate and subjects with normal occlusion.
MATERIALS AND METHODS:   Cone beam computed tomography scans of three groups consisting of 20 patients with unilateral cleft lip and palate, 20 patients affected by bilateral cleft lip and palate, and a control group of 20 subjects with normal occlusion were analyzed for this study. Condylar, ramal, and condylar plus ramal asymmetry indices were measured for all subjects using the method of Habets et al. Kruskal-Wallis and Mann-Whitney tests were used to determine any significant differences between the groups for all indices at the 95% level of confidence.
RESULTS:   There were no significant differences regarding sex for all mandibular asymmetry indices in all three groups. All Asymmetry indices (condylar, ramal, and condylar plus ramal asymmetry) were significantly higher in the unilateral cleft group compared with the other two groups.
CONCLUSION:   Cone beam computed tomography images showed that patients with cleft lip and palate suffered from mandibular asymmetry. Subjects with unilateral cleft lip and palate had a more asymmetric mandible compared with the bilateral cleft lip and palate and control groups. Therefore, the mandible appears to be the leading factor in facial asymmetry in subjects with unilateral cleft lip and palate.

PMID: 27441699 [PubMed - as supplied by publisher]



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