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Category: CPAP Masks > CPAP Masks > Oral
Oracle HC452 Oral CPAP Mask

$87.00

This product is eligible for FREE shipping on orders over $99. Shipping Policy
Rated 3.5 out of 5 by 53 cpap.com customers. Read reviews.
This is a newly released product. Read rankings.
Key Product Information

    Manufacturer: Fisher & Paykel

    Fisher & Paykel Healthcare is the first company to develop an oral mask. The latest model, the Oracle 452 Oral Mask, is clinically proven to treat OSA and offers a viable alternative to a full face mask, with less structure…..against the face.

    Here is how it works:

    Either of two sizes of mouthpiece is placed behind the lips and in front of the teeth. An outside flap is then fitted into the mouthpiece and folded over the lips. This combination keeps the device stable in the mouth, and it has been redesigned without the inner flap of the earlier design that rested on the tongue.

    The features of the Oracle mask include:

  • Out of Box Solution. All Fisher & Paykel masks come fully assembled and ready to wear so there is no fumbling or confusion.

  • Bias Diffuser. The Oracle mask has an exhalation vent design of a series of small holes and uses a filter to help reduce noise. The mask comes with five filters.

  • Rotating Adjustment Dial. This dial adjusts the space between the SnapFlap Cover and SoftSeal mouthpiece to increase comfort and stability and can be used after the mask has been fitted into the mouth. This is an upgrade to the earlier design of the Oracle.

  • Single Strap Easy-Release Headgear. One strap around the back of the head keeps the Oracle stable, and a swivel in the front of the mask allows free rotation of the CPAP hose. The headgear is adjusted once, then easily removed with just a pull of the Easy-Release cord. No ongoing adjustments are needed.


You can use our online sizing tool to find out which masks will work best with your facial structure.

If you still aren’t convinced that this is the mask for you, all you need to do is buy our Return Insurance and you can send it back within 30 days for a refund of the full purchase price. Read all about it here:

Return Insurance Option

We sell Replacement Parts for this mask. If you need to replace only one part of your mask instead of buying a new one, we can help you find the part!

Returns Offered With Insurance Purchase

Oracle 452
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In House Comments
Heated humidification is required with use of the Oracle 452 Oral Mask due to the CPAP air bypassing the nasal airways which normally moisten the air. With higher CPAP pressures, even a heated humidifier may not provide adequate moisture, especially for patients who also take medications that dry the mouth.

We would first recommend a full face mask due to this humidification issue. Air leaking through the nose can be an issue as well, and nasal plugs of various sizes are included with the mask. We have many remarks that the nasal plugs can leak, although this is usually negligible.

If the CPAP pressure is low enough, the Oracle is a good alternative to a full face mask, especially for people with nasal blockage, either from chronic congestion, deviated septum or other type of tissue blockage.
Related Parts and Accesories
Nose Plugs
Replacement Cushion
Oracle HC452 Flexitube Kit, Elbow & Vented Non-Reb
Oracle HC452 Replacement Headgear
User Reviews

Best mask I've tried so far   October 28, 2008

(4 out of 5) by David M, Zebulon, NC

"I've gone through over a dozen different masks... this one is the best so far... I am a heavy mouth breather and have a mustache and beard. I have had challenges with other masks, due to the high pressure I need, in that I have had to tighten them so much to keep them from leaking. I used to wake up throughout the night, either from pain or from leaking air blowing into my eyes - or from the "fart" noise some masks would make against my cheek.
This mask has been the most comfortable to wear with minimal leaking and NO pain from the pressure on the bridge of my nose that full faced masks would give.
In order to prevent dry mouth, I have my humidifier set to the max which does cause high levels of condensation in the tube which in turn causes a "gargling" noise... To deal with this, keep a small towel by the bed, turn the machine off, unplug the hose, drain water onto the towel, plug the hose back in, turn the CPAP back on...
The mouthpiece does take some getting used to - but as I said, all in all, the best I've tried so far..."


5 of 5 found the review helpful.
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Trial & ERROR   October 07, 2008

(1 out of 5) by CLEOTHECOOL - MINNEAPOLIS, MN

"I use a full face mask due to trouble breathing through my nose. I had been wishing for an oral mask for about a year. When I saw this one I was just about as excited as when George Lucas announced he was making episodes 1-3. If you haven't used an oral mask before, GET THE RETURN INSURANCE!!! I couldn't make it work at all. I must breath just enough through my nose to make a huge difference when I was restricted to my mouth only. It was just as bad as when I had the nasal only mask. I was waking up all the time (many, many times each night). It didn't matter how much humidity I pumped into that thing, my mouth was dry, and I drooled a ton - figure that out.

I am a huge believer will power and the power of the spoken word. It didn't matter how much I told myself this was going to get better, I couldn't make it work. I used it for about a week, after which I was exhausted.

If you are really interested in an oral mask, I would say go ahead and try it. It might work out awesome for you. But, if it's the first time you're trying an oral-only mask, just get the return insurance CPAP.com offers. The insurance is a cheap investment for the quality of life a good night's sleep can bring."


3 of 3 found the review helpful.
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the oracle hc452 mask   August 21, 2008

(5 out of 5) by William R, Vernon, CT

"So far its only been a few weeks that I have used this mask.I'm a first time user of a cpap machine and have found that I can't take the pressure from the machine up my nose. So this has helped with the use of a huminafier attached to the machine.I'm still meeting with my doctor to turn the pressure down some more to help me, Hopefully I'll be able to use and sleep through the nigh! Good luck to all!!!"


3 of 5 found the review helpful.
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Oral Mask   August 16, 2008

(3 out of 5) by Kathleen K, MI

"Since being diagnosed with sleep apnea, I have tried almost all the different styles of masks that are available for use. The Oracle is good in comparison to the rest of the styles because it is less restrictive on the head and does not leave marks on my face. The only think that I have had trouble with is the nose plugs, which is probably a matter of getting used to them. Without them though, I tend to make a loud snoring noise every few minutes as I try to breathe through my mouth. All in all mask is good, but I am not sure if it will be the one that I use every night or not."


2 of 2 found the review helpful.
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July 30, 2008

(1 out of 5) by Rodney J, Cowpens, SC

"causes very dry mouth even with heated humidifier.not able to use."


3 of 3 found the review helpful.
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Related Product Videos
Instructional CPAP Videos  Oracle HC452 Oral CPAP Mask - Fitting (00:04:50)

This video describes how to get the best fit from the Fisher & Paykel Oracle HC452 Oral CPAP Mask.

Instructional CPAP Videos  Oracle HC452 Oral CPAP Mask - Introduction (00:01:13)

This video is an introduction to the Fisher & Paykel Oracle HC452 Oral CPAP Mask.

Product Images
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