Compare molar’s alveolar bone width and angulation changes between cleft lip and palate and non-cleft patients following transverse correction of maxillary hypoplasia
CBCT based study
Keywords:
Cleft palate, Maxillary Hypoplasia, maxillary expansion, molar angulationAbstract
Purpose: This study aimed to compare maxillary alveolar bone width in 1st molar region and molar angulation between growing individuals with Cleft Lip and Palate (CLP) and Non-Cleft Class III instances that received Rapid Maxillary Expansion (RME) as a treatment of maxillary hypoplasia. Subjects and Methods: This retrospective study included two groups, Cleft Group; 8 CLP patients and Non-Cleft Group; 12 Non-Cleft cases with maxillary hypoplasia. The children's ages spanned from 8 to 12 years old. The two groups received treatment consisting of maxillary expansion utilizing with RME protocol followed by 6 months of consolidation. Cone Beam Computed Tomography (CBCT) was taken prior therapy (T1) and following six months of expansion (T2). Results: In Cleft and Non-Cleft groups, the buccal alveolar bone width displayed statistically significant decline, however the palatal alveolar bone width displayed statistically significant increase. The molar angulation was increased significantly in the two groups. There were statistically non-significant variations in alveolar bone width and 1st molar angulation changes among Cleft and Non-Cleft groups. Conclusion: Patients with CLP have the same maxillary first molar angulation changes as well buccal and palatal alveolar bone width at molar area as non-cleft patients those have Class III malocclusion.
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