Introduction:: Maxillary constriction is a dentoskeletal deformity characterized by discrepancy in maxilla/mandible relationship in the transverse plane, which may be associated with respiratory dysfunction.
Objective:: The objective of this study was to evaluate the skeletal effects of RME on maxillary and nasal transverse dimensions and compare the differences between males and females.
Methods:: Sixty-one mouth-breathers patients with skeletal maxillary constriction (35 males and 26 females, mean age 9.6 years) were included in the study. Posteroanterior (PA) radiographs were taken before expansion (T1) and 3 months after expansion (T2). Data obtained from the evaluation of T1 and T2 cephalograms were tested for normality with the Kolmogorov-Smirnov method. The Student's t-test was performed for each measurement to determine sex differences.
Results:: RME produced a significant increase in all linear measurements of maxillary and nasal transverse dimensions.
Conclusions:: No significant differences were associated regarding sex. The RME produced significant width increases in the maxilla and nasal cavity, which are important for treatment stability, improving respiratory function and craniofacial development.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5573012 | PMC |
| http://dx.doi.org/10.1590/2177-6709.22.4.061-069.oar | DOI Listing |
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