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Palatal Expansion with Skeletal Anchorage: Periodontal and Airway Rationale

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Description

The upper jaw carries a unique anatomic position as it separates nasal and oral cavities. Patients with maxillary deficiencies often present with compromised daytime and nighttime breathing due to anatomic upper airway constrictions and soft tissue obstructions. Current evidence suggests that maxillary expansion may promote respiratory function in many of these situations by opening nasal passages.

Conventional tooth-supported palatal expanders can at times produce unfavorable periodontal outcomes. The introduction of the temporary skeletal anchorage into rapid maxillary expansion appliances eliminates orthopedic forces applied directly to the teeth. In doing so, orthodontists can avoid adverse periodontal effects, achieve required skeletal maxillary expansion in nongrowing patients without surgery and control skeletal and dental post-expansion movements in three dimensions. This course will assist clinicians to incorporate comprehensive three-dimensional management of the maxillary hypoplasia and optimize Rapid Palatal Expansion with Temporary Anchorage Devices in their everyday practice.

OBJECTIVES:
1. Understand the latest advances in 3D diagnosis of maxillary hypoplasia.
2. Application options for TADs in Rapid Palatal Expansion Therapy.
3. The new advances in non-surgical TAD-assisted Rapid Palatal Expansion in non-growing patients.

Contributors

  • Marianna Evans, DMD

    Dr. Marianna Evans is a board-certified dual specialist in Orthodontics and Periodontics practicing in greater Philadelphia area. She received her DMD degree and specialty training at the University of Pennsylvania. Dr. Evans frequently lectures on airway orthodontics, guided facial growth, interdisciplinary care, and periodontal plastic surgery. She co-founded OrthoPerio Institute and recently developed 4D Morphotropic Orthodontics expansion protocol with the focus on airway and periodontal health.