e-ISSN: Pending
Negative / Null Result ReportMedicine

Effects of different hyrax maxillary expansion protocols compared with novel magnetic expansion on the pharyngeal airway and maxillary sinus spaces: A retrospective CBCT-based observational study.

Algahefi AL; Alhammadi MS; Li Z; Tong F · 2026 · American journal of otolaryngology

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Purpose To evaluate three-dimensional changes in the maxillary sinus (MS) and pharyngeal airway space (PAS) following rapid (RME), slow (SME), and magnetic maxillary expansion (MME) using cone-beam computed tomography (CBCT). Methods This…

Excerpt shown for reference under fair use — read the full paper at the publisher.

Read full paper at publisher

Hosted by the publisher — may require access.

About to run something similar?

Run an AI Precheck on your own design to catch failure modes like this one before you spend the time. Your first desk check is free.

WASTE indexes this work — it does not host or republish it. Failure-type classification is automated and approximate.

Metadata source: Europe PMC · DOI 10.1016/j.amjoto.2026.104844