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How does the ONIRIS® device work?

ONIRIS® is an innovative and patented mandibular advancement device designed to provide maximum levels of comfort and efficacy. The device – similar to a mouthguard for sportsmen or a dental splint – gently retains your lower jaw in a forward position during sleep. It therefore allows air to pass freely through the pharynx and prevents the obstructions that cause snoring and sleep apnoea Numerous clinical studies have shown that this technique works. ONIRIS® is the only solution to offer patients a customised fitting and total freedom of movement for greater comfort and an effective adjustment.
The result: a truly effective solution for snoring and sleep apnoea. And enjoy once again a comfortable and peaceful sleep.

Is the ONIRIS® device really effective?

Yes, and to provide more than mere promises, we will show you our results!

The ONIRIS® mandibular advancement device is the only anti-snoring device to have been tested in numerous hospitals and clinics by sleep and ENT specialists, as well as dentists. It has been proven to offer a similar efficacy and comfort level as custom-made devices manufactured in dental laboratories that cost hundreds or even thousands of euros. These rigorous tests guarantee that what we promise is actually true:

  • Proof not promises
  • Snoring reduced in 100% of users1
  • No more snoring in 83% of users1
  • No more sleep apnoea in 77% of users1
  • No more tiredness in 95% of users1
  • Comfort and compliance in 97% of users1
  • 94% of users satisfied1


In the case of sleep apnoea, you must check the effectiveness of ONIRIS® with your sleep doctor.

1 Prospective, open-label, uncontrolled and multi-centric study conducted at the AP-HP (Paris public hospital system) whose main aims was to evaluate the effectiveness of an ONIRIS thermoformed mandibular advancement device in 41 patients suffering from snoring and severe sleep apnoea syndrome, who have refused or abandoned a CPAP treatment. Patients were monitored for 45 to 60 days, evaluated by an independent laboratory using a protocol validated by the AFSSAPS [French Agency for the Safety of Health Products], the Patient Protection Committee of SUD Med IV, the CCTIRS (Comité consultatif sur le traitement de l’information en matière de recherche dans le domaine de la santé) and the CNIL (French Data Protection and Freedom of Information Commission)

How long does it take for ONIRIS® to become effective?

Usually, immediately. If this is not the case, you just have to gradually increase the advancement of the device as shown in the user manual.

Can ONIRIS® be adjusted?

Yes, ONIRIS® is the the only fully adjustable anti-snoring device. Thanks to its patented system, you can adjust the mandibular advancement from 0 to 15 mm, with an accuracy of 1 mm. It is therefore a safe and comfortable treatment, tailored to your needs.

ONIRIS® is also the the onlyanti-snoring mandibular advancement device that allows a truly customised dental impression, and this several times in succession.
Numerous clinical studies have demonstrated the importance of the dental adjustment of the anti-snoring device in terms of comfort and clinical efficacy. Pressure is distributed on all the teeth, which prevents it from moving and causing toothache, meaning the device stays in place all night long.

With the ONIRIS® mandibular advancement device, the quality of the impression is equivalent to professional devices manufactured in dental laboratories which cost several hundreds or thousands of euros.

Finally, ONIRIS® adapts to your movements, you can open and close your mouth, breathe, drink and talk naturally, and the device remains in place all night long.

Is the ONIRIS® device easy to use?

Yes. The ONIRIS® device is extremely easy to use. It has been designed to offer the highest level of comfort possible when you are asleep. The adjustment of the advancement can be re-adjusted and re-set easily, if necessary, in just a few seconds.

The customised dental impression only takes 3 minutes with no risk of error, as you can reset and readjust it, if required.

For an optimal adaptation, carefully follow the instructions in the manual supplied with the device. You can also ask us for advice directly, and we will be happy to help you.

How do I adjust ONIRIS?

The best way to adjust your ONIRIS device is to gradually increase the advancement of the lower section until your snoring has disappeared and you achieve an optimal quality of sleep.

We recommend that you start with the smallest advancement and then gradually increase it, millimetre by millimetre, every 2 to 3 nights. Simply follow the instructions in the user manual and in just a few days you will finally sleep comfortably and enjoy a refreshing sleep.

Is the ONIRIS® device suitable for children?

No. If your child snores excessively, we strongly recommend that you consult a doctor to discover the cause and determine the appropriate treatment. In a few special cases and under medical supervision, a specific brace can be used to treat children.

How should I look after my ONIRIS® device?

After each use, brush the device using a toothbrush and toothpaste, then rinse it with cold water. To extend the life of the device, you can also use denture tablets to clean your dental device.

Can I open and close my mouth, or speak with the ONIRIS® device?

Yes. When you are sleep, opening and closing your mouth are natural movements the body needs to carry out so you can swallow, for example. Unlike most other devices, ONIRIS® allows complete freedom of movement, so you can breathe quite normally through your mouth, and speak and drink without any problems for optimal comfort.

What is ONIRIS® made out of?

ONIRIS® has been designed using flexible biomedical materials, validated by the FDA in the US, and is BPA, latex and silicone free, to offer maximum long-term safety. The ONIRIS® device does not contain any metal, so there is no risk of rust, electrolytic reaction or the discomfort associated with such rigid materials.

What is the serviceable life of ONIRIS®?

ONIRIS ® has a serviceable life of about 18 months, one of the longest on the market. This period will vary depending on the maintenance of the device, the acidity of your saliva or whether you suffer from excessive teeth grinding.

Is the ONIRIS® device hard to tolerate?

No, you will get used to it quickly and after a few days of use, you will not even notice it any more!
As, unlike the other mandibular advancement devices, ONIRIS® offers an ergonomic design and many innovative features for optimal comfort.
The unique customised impression of ONIRIS® prevents any pain or dental displacements. In addition, the exceptional accuracy of the advancement settings guarantees a rapid adjustment that will prevent muscular pain and discomfort. Finally, with ONIRIS®, you will enjoy complete freedom of movement. You can breathe, drink, or talk naturally, thereby offering maximum comfort and rapid adaptation.
During the first nights you may experience toothache, hyper-salivation or muscle tension However, this will disappear quickly in a few days and you should carefully follow the instructions in the user manual to help you. Naturally, if you have any problems or persistent discomfort, please contact us and we will be happy to offer a solution rapidly.

What are the contraindications to the use of the ONIRIS® device?

We do not recommend using the ONIRIS® device in the following cases: lower or upper jaw with fewer than 10 teeth, gum or periodontal diseases and infectious complications, loose teeth, uncontrollable gag reflex.

I have dentures, a bridge or implant?

This is generally not a problem. However, we advise you to ask your dentist if the implants, etc. are of good quality and not too fragile.

My dentist is going to treat me or place a prosthesis, what should I do?

You should simply readjust ONIRIS®, as described in the instructions.
Tell your dentist that you are using a mandibular advancement device and if your denture changes substantially, check that you can continue to use the ONIRIS® device.

It is possible to swallow the ONIRIS® device?

No. It is physically impossible to swallow the device when you are asleep. On the contrary, an unconscious reflex may sometimes expel the device while you are asleep. This phenomenon generally disappears after using it for a few weeks.

Do you ship internationally?

Yes, we ship worldwide using the services of UPS International.

What are the delivery times?

90% of orders are processed and dispatched within 24 hours during working days (from Monday to Friday). When your order is dispatched, you will automatically receive by email a link to track your delivery. We dispatch worldwide using the fastest service via UPS. Delivery usually takes 48 hours after shipping but can sometimes take 3 to 5 days.

What is your returns policy?

To return your order, just send it back to:
Laboratoire TALI & ONIRIS (Returns)
147 Avenue Paul Doumer, 92500 Rueil-Malmaison

Also enclose your proof of purchase along with your first and last names, so we can identify you.

How do I get a refund?

We offer an unconditional Satisfaction Guarantee. If you are not satisfied, simply return your ONIRIS® device within 30 days of the order date and we will refund the price of the device only. Delivery costs are not refunded.

It is common that users try the ONIRIS® device straight away. However, it is a customisable device and it must be heated to take the necessary imprint, and the mandibular advancement adjusted, to ensure the device is effective and comfortable. To avoid disappointment, do not use ONIRIS® without completing the necessary steps and ask us for advice before returning the device.

Returns are accepted if they are sent within 30 days of the order. We will not be able to refund the device after 30 days and we do not refund any delivery charges. To obtain a refund, we must be able to find the order so please make sure you enclose the proof of purchase in the package. Without proof of payment, we cannot refund it. We strongly advise that you should use a parcel tracking service when returning the device, so that in case of delivery problems you have proof of shipment and can obtain a refund.

You will be refunded within 15 days of receipt of the return. It will generally take 48 hours for the payment to reach your bank account; however, it might take up to 15 days depending on your bank and your payment card.

Are mandibular advancement devices effective?

For several decades now, clinical studies have shown that mandibular repositioning devices are effective against snoring and sleep apnoea. Of course, other treatments are available.

Mandibular advancement devices are generally recommended as the first-line treatment for snoring and sleep apnoea1 by American, European, Japanese, etc. Sleep Associations.

However, for a mandibular advancement device to work it must include several features:

  • A highly precise dental impression, to avoid pain and dental movements
  • An accurate adjustment of the advancement, from 0 to 15 mm, to provide maximum efficiency and comfort
  • Total freedom of movement to breathe, drink or talk naturally
  • Simple to use, and able to be re-set and re-adjusted, if necessary, for greater comfort.

ONIRIS is the only anti-snoring device to include all these features to offer you quality sleep and comfortable and relaxing nights.

1 For cases of mild to moderate sleep apnoea. For cases of sleep apnoea, mandibular advancement devices are recommended for cases of rejection or in association with continuous positive-pressure machines. For cases of sleep apnoea, seek advice from your doctor.

What about other treatments for snoring?

Surgery can be effective but it is very expensive, involves risks and does not guarantee results even though it is final. Nasal dilators may help some snorers if their nasal breathing is limited but this is not the main cause of snoring. And throat lubricants (sprays or lozenges) do not work after a few minutes and in cases of very light snoring.

Are you are a healthcare professional and would like to know more about ONIRIS®?

To learn more, receive a sample, or information pack, send your request to our contact page.