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Annual Session 2021

AS21B37 - Can Changing the Transverse Dimension Improve the Quality of Orthodontic Treatment in Children?

Jun 26, 2021 12:10pm ‐ Jun 26, 2021 12:30pm


The original indication for RPE was to treat skeletal maxillary constriction. As positive effects were clinically proven, the number of indications for rapid palatal expansion has continuously grown. The purpose of the present oral contribution is to highlight the role of transverse dimension in orthodontic challenges such as patients with high angle mandibular pattern, elongated maxillary and mandibular teeth, mouth-breathing, Co-Cr discrepancy. In particular, rotational relocation of the mandibular position after orthopedic expansion will be discussed. A stable relationship between maxillary and mandibular jaws is the main advantage of palatal expansion both in mixed and permanent dentition. A proper diagnosis of transverse dimension and the customization of expansion protocol are essential in the clinical management of malocclusions to obtain predictable outcomes.

Learning Objectives:

  • Recognize transverse discrepancy.
  • Evaluate the need of rapid maxillary expansion in children.
  • Define the treatment objectives in growing subjects.


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