A retrospective cephalometric study on pharyngeal airway space changes after rapid palatal expansion and Herbst appliance with or without skeletal anchorage.

Prog Orthod · 2016 · PMC5035718 · PMID 27641421

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of borderline significanceno p-value reported

When comparing the two groups, no statistically significant differences were found ( p > 0.05) for any of the parameters, and the mandibular divergence parameter was found to be of borderline significance.

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