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Your AerStrap MAS.

How to wear it and clean it, the Snore Attack Shield, and the important information to read first.

An AerStrap MAS

In your pack

The Sentinel Sleep appliance case
  • Upper and lower custom trays
  • Cleaning bath and Snore Attack Cleaning Tablets
  • You may also have a Snore Attack Shield

Quick start

What do I do every day?

  • Check the appliance before each use. Do the straps still look good, or have they stretched?
  • Put the top tray on your top teeth first.
  • Then put the bottom tray in while you push your bottom jaw out a little.
  • Don't wear the trays on their own.

Only take the straps off to clean under them. It's a prescribed device: only change the strap size on your dental professional's advice.

How do I clean the AerStrap MAS?

  • Clean it every day, with fresh water and cleaner every day.
  • We recommend Snore Attack Cleaning Tablets. If a product isn't proven to clean nylon appliances properly, don't use it.
  • Rinse it under running water to remove the night's saliva.
  • Soak it in cool, clean water and cleaner, all day, every day.

If the appliance gets dirty, it isn't being cleaned every day and soaked all day. There is no warranty for dirty devices.

The Snore Attack Shield

A tongue posturing device. The shield sits behind your lips, in front of your teeth and your AerStrap, and helps you keep your mouth closed and breathe through your nose.

The square tabs on the shield are there to bite on for people using it without an appliance, or with a single-arch splint. With your appliance in, you may need to trim them.

How to put it in

  1. Put the upper and lower parts of your AerStrap in your mouth.
  2. Put the shield into the gap behind your lips and cheeks, in front of your teeth and your AerStrap.
  3. Slide the shield down one side of your teeth until you can slide the other end into your mouth, behind your lips.
  4. Tuck the edges of the shield behind your cheeks, in front of your teeth and appliance, and swallow gently until you feel suction in the roof of your mouth.
  5. Check your tongue posture: tongue up against the roof of your mouth, and your soft palate relaxed against the back of your tongue.

Trimming the shield

If the tabs get in the way of your appliance, cut them down with a sharp pair of scissors. If the shield is too long, trim the edges the same way. Be careful not to make a hole in the shield.

The clear Snore Attack Shield in place over the front teeth of a dental model

Important information

Please read this carefully. It has the warnings and answers you need before you use your AerStrap MAS.

Your dentist has decided this is the most appropriate therapy for you, after a sleep physician recommended it as one of your options following your sleep study.

The AerStrap MAS is a 3D laser-sintered appliance, custom designed and made for your mouth. It's durable and strong. It holds your lower jaw forward to make more room for your tongue at night, and the Snore Attack Shield supports that position for your tongue.

Is it comfortable and easy to use?

Yes. It isn't bulky in your mouth. Follow your dental professional's instructions on using it each day.

Do I need follow-up appointments?

See your dental professional every year, or sooner if you need to, for a review. Do not use this device if you haven't seen a dentist in over 12 months.

Can I use a different cleaner instead of Snore Attack Cleaning Tablets?

We recommend Snore Attack Cleaning Tablets because they're the best cleaner we've found for nylon appliances, after many hours of researching and testing. If you choose another cleaner, or don't clean the device every day as recommended, Sentinel Sleep can't support a warranty claim for a dirty or damaged device.

Will it damage my teeth and bite?

Your dental professional will check the health of your teeth and show you how to use the device. Damage to teeth won't be caused by this product: the material can't damage teeth, so as long as your teeth are sound nothing should happen. Your bite may feel different in the morning. This is temporary and should settle on its own.

I have some missing teeth. Will this affect it?

Your dentist will have checked that you have enough natural teeth, sound and healthy, in the upper and lower arches. Implants in the upper and lower arches can hold the device where there aren't enough teeth.

I'm about to have dental work. Will it affect the fit?

Ask your dental professional. If the work is substantial, the top or bottom tray may need to be remade, and a fee applies. This isn't covered by warranty.

My jaw feels sore. What should I do?

If you have muscle or jaw pain, stop using the device straight away and contact your dental professional.

There's blood on the device in the morning. What should I do?

It may be a sign your teeth and gums need a professional clean. Talk to your dentist about keeping your teeth and gums healthy. Don't let the blood dry on the device: rinse it well and soak it with a Snore Attack Cleaning Tablet as directed.

My AerStrap MAS is damaged. What should I do?

Stop using it straight away and see your dental professional.

With the Snore Attack Shield in, I can't breathe through my mouth.

Any oral appliance can block breathing through your mouth. The shield, with your AerStrap MAS, retrains you to breathe only through your nose. Make sure you can breathe through your nose before you use it.

My nose feels too small with the shield in, even though it's clear.

Sometimes the front of the nose collapses as you breathe in at night. Nasal cones or strips can help. Buy nasal cones.

Warnings

  • Read all the instructions before using your AerStrap MAS.
  • The AerStrap MAS is intended to reduce or relieve night-time snoring and OSA. If symptoms, breathing difficulties or other respiratory disorders exist or continue, with or without the device, contact your dental professional immediately.
  • Use the AerStrap MAS only as directed. Don't misuse it: only wear it while sleeping.
  • The AerStrap MAS should only be provided by a dentist, and only fitted by a dental professional working with that dentist who has the scope to fit such an appliance under the dentist's supervision and guidance.
  • Don't store or transport it outside the temperature range of minus 20 to 50 degrees Celsius.
  • Stop using it if it's uncomfortable, and see your dental professional.
  • Don't use it if you can't remove it yourself.
  • Don't use it if it becomes damaged or doesn't fit properly; see your dental professional.
  • Don't use it if you're vomiting or feeling nauseous.
  • Don't store it in direct sunlight.
  • Its operating temperature range is 5 to 40 degrees Celsius.
  • If you think you're having an allergic reaction to it, stop using it immediately and see your dental professional, who may direct you to a medical doctor.

Possible side effects

These side effects aren't common. If you have any of them, see your dental professional straight away.

  • Slight discomfort in the teeth or gums from the pressure of the appliance, and soreness in the jaw joint (temporomandibular joint).
  • Extra saliva, which improves as you get used to wearing it.
  • Slight jaw soreness or tightness at first, and after adjustments.
  • A temporary change in your bite.
  • Difficulty breathing through your mouth.
  • Taking the appliance out in your sleep without realising.
  • Pain in the jaw joint.
  • A permanent change in your bite.

Contraindications

This device is contraindicated for people who:

  • have central sleep apnoea
  • have severe respiratory disorders
  • have loose teeth or advanced periodontal disease
  • are under 18 years of age.

Dentists should consider the patient's medical history, including but not limited to asthma, breathing or respiratory disorders, or any other relevant health problems, and refer the patient to the right medical practitioner before recommending this device. This device is only to be prescribed by a medical sleep professional.

Words you'll see

OSA
Obstructive sleep apnoea.
MAS
Mandibular advancement splint.
Bite
The way your teeth meet when your jaws are in their normal position.
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