Oral appliances | ResMedOral appliances to treat obstructive sleep apnoea (OSA) | ResMed

About oral appliances

Thanks to a wealth of clinical research oral appliances, also known as Mandibular Repositioning Devices (MRDs) have gained recognition over the last decade as an effective solution to snoring, as well as an alternative to CPAP treatment in cases of mild to moderate obstructive sleep apnoea (OSA).1,2,3

Narval CC

Clinically-proven1,2, innovative and custom-made mandibular repositioning device to treat OSA and snoring


Clinical results for Narval CC

Narval CC is a clinically-proven4 oral appliance that’s custom-made for greater comfort and nightly use.

It’s one of the smallest and lightest oral appliances available on the market. In an ongoing five-year ResMed clinical study, 3-6 months results showed that patients used it on average 6.7 hours per night, and 6.7 nights per week.4 Narval CC successfully stops loud snoring in almost 90% of patients who use it.4


More innovative solutions from ResMed

Featuring intuitive interfaces and at-a-glance reports, ResMed’s therapy apps and compliance management solutions provides a snapshot of your therapy. You can proactively track your therapy and share it with your doctor.

See all ResMed therapy apps

Designed to treat sleep-disordered breathing and respiratory conditions, our machines provide unparalleled comfort and proven efficacy.

See all ResMed sleep and ventilation machines

ResMed offers a wide range of masks within each category that combine lightweight comfort with superior seal and fit.

See all ResMed CPAP masks and accessories


    1. Practice Parameters for the Treatment of Snoring and Obstructive Sleep Apnoea with Oral Appliances: An Update for 2005, AASM report, Sleep 2006;29(2): 240-243, US Guidelines.
    2. Non-CPAP therapies in obstructive sleep apnoea, ERS task force. Eur Respir J. 2011 May;37(5):1000-28, Systematic Review. Recommendations (European).
    3. B. Fleury et al. OSAHS treatment with mandibular advancement oral appliance. Rev Mal Respir. 2010 Oct;27 Suppl 3:S146-56. Systematic Review. Recommendations (France).
  1. Vecchierini MF & al. A custom-made mandibular repositioning device for obstructive sleep apnoea-hypopnoea syndrome: the ORCADES study. Sleep Med. 2016 Mar;19:131-40. doi: 10.1016.