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ORIGINAL ARTICLE
Year : 2017  |  Volume : 4  |  Issue : 3  |  Page : 173-179

The evaluation of the effects of rapid palatal expansion on nasomaxillary complex in patients with complete unilateral and bilateral cleft lip and palate


Department of Orthodontics, Faculty of Dentistry, Ege University, Izmir, Turkey

Correspondence Address:
Ege Dogan
Department of Orthodontics, Faculty of Dentistry, Ege University, Bornova, Izmir
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jclpca.jclpca_28_17

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Aim: The aim is to evaluate the effects of rapid palatal expansion (RPE) in children with complete unilateral and bilateral cleft lip and palate (UCCLP/BCCLP), compared with noncleft patients. Materials and Methods: This study includes 45 patients aged between 8 and 11 years old (15 patients with UCCLP; mean age: 9 years 2 months, 15 patients with BC-CLP; mean age: 9 years, 15 patients with noncleft; mean age: 9 years 1 month), in Ege University, Department of Orthodontics. RPE was applied before secondary alveolar grafting. Posteroanterior cephalograms were taken before and after expansion. One-way analysis of variance was used to analyze the differences among the groups, whereas the paired t-test was used to evaluate the changes in each group. Results: In all groups, RPE causes a significant increase of the internasal dimension and maxillary width (Ln-Ln', Mx-Mx'). In the cleft groups, especially in the bilateral CLP group, the nasal width (Ln-Ln') and maxillary width (Mx-Mx') show a statistically significant increase according to the control group (P < 0.001). Furthermore, the unilateral CLP group shows an increase according to the control group (P < 0.001).(Um-Um') and (Lm-Lm') show a statistically significant increase all in three groups compared before the treatment (P < 0.001).(Um-Um') show the most increase in bilateral CLP group (P < 0.001). In the bilateral CLP group, (Zyg-Zyg'), (Cdl-Cdl'), (Go-Go') show a statistically significant increase (P < 0.001). The control and unilateral CLP group also show an increase, but the unilateral CLP group is not found statistically significant. Conclusion: When the facial morphologies were evaluated after RPE, the facial width measurements of the bilateral CLP patients showed a greater increase than the unilateral CLP and control group. Nasal width measurements were wider in cleft groups compared to the control group contributing to a widened airway, which may have an effect on breathing and speaking in cleft patients. More studies are needed.


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