Combined treatment with Hyrax + Up-Locker vacuum activator yielded superior outcomes in sleep architecture and sleep behavior compared to Hyrax alone in children with Sleep Disordered Breathing.
Children receiving Hyrax + Up-Locker showed statistically significant reduction in sleep onset delay compared to Hyrax alone.
Children in the Hyrax + Up-Locker group showed statistically significant reduction in night wakings compared to Hyrax alone.
The Hyrax + Up-Locker group demonstrated a notable decrease in snoring compared to Hyrax alone.
Children in the Hyrax + Up-Locker group experienced more significant improvements in polysomnographic sleep architecture measures compared to the Hyrax group.
The study design was a prospective, single-blind, randomized controlled clinical trial comparing two palatal expansion approaches in young children with SDB.
This research suggests that adding a device called the Up-Locker vacuum activator to standard palatal expansion treatment (Hyrax) produces better sleep outcomes in young children who have sleep-disordered breathing (SDB), a condition that includes problems like snoring and disrupted breathing during sleep. The study followed 34 children between the ages of 6 and 8, randomly assigning them to receive either the Hyrax expander alone or the Hyrax combined with the Up-Locker. Children in the combined treatment group showed greater improvements in falling asleep faster, waking up less during the night, and snoring significantly less. Measurements taken during overnight sleep studies (polysomnography) also showed that the combined group had improvements in total sleep time, REM sleep, and reductions in breathing disruptions and arousals during sleep. Palatal expansion is an orthodontic treatment that widens the roof of the mouth, which can help open the airway and improve breathing during sleep in children. The Up-Locker appears to enhance these benefits, potentially by further influencing airway mechanics. The finding that combining these two approaches leads to better outcomes across both behavioral questionnaires and objective sleep monitoring suggests the combination may be a more effective treatment strategy for children with SDB. This research matters because sleep-disordered breathing in children can affect their development, behavior, and overall health. Finding dental or orthodontic interventions that can meaningfully improve sleep quality in young children without the need for more invasive treatments could have significant practical benefits. However, the study was relatively small with 34 participants, and further research with larger groups and longer follow-up periods would help confirm and extend these findings.
Restrepo C, Kahn S, Gozal D. (2026). Impact of Palatal Expansion With Up-Locker on Children With Sleep-Disordered-Breathing: A Clinical Trial.. Pediatric pulmonology. https://doi.org/10.1002/ppul.71424