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Interarch Jaw Registration Devices: Part 1 DSP Winter 2022

Updated: Mar 22, 2023

Consequences of Anterior vs. Posterior Stabilization (part 1) SLANT reprinted from DSP

This self-instructional course for dentists aims to present the anatomic rationale for bilateral molar stabilization, an innovative alternative resulting in parallel arches that in fact establish a di- lated posterior oral airway. Two basic design principles for oral sleep apnea devices are: prevent collapse of the tongue on the pharynx and establish oral airway dilation (OAD). Commercially available devices for registering the interarch jaw relationship are based on anterior or in-cisal stabilization, almost universally resulting in slant, an acute angle between the maxillary and mandibular teeth narrower at the posterior than the anterior, and a negative for OAD.

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