Question 1

Can you use this for mouth devises for sleep apnea

Accepted Answer

Not sure what your devise is made of but my mouth guard I wear every night to prevent grinding I clean everyday using these tablets. They clean and disinfect and keep my guard white. If your devise is similar to a retainer or  mouth guard I would try.

Question 2

Is this an overnight cleaner

Accepted Answer

There are several Efferdent denture cleaner products.  The Efferdent plus mint seems be intended for a short (5 minute) soak, but the package says that dentures can be left in overnight.  My experience with that product was that leaving it overnight did no harm, but it didn't do much more good either.  There is a product, Efferdent Overnight, that is intended to soak overnight, and it does a much better job of cleaning stuff off.  That is what I now use.

Question 3

What are the ingredients please?

Accepted Answer

That information is not listed on the box; however, I was able to find this info on Wikipedia:
Ingredients. Dilute sodium hypochlorite (i.e. a mild bleach) is the main constituent of several brands of denture cleanser. Other ingredients include such chemicals as: sodium bicarbonate – or baking soda, which alkalizes the water, cleaning the dentures.

2 years ago Ferdinand Boyce posted this information on Amazon:
Efferdent, like other similar denture cleaning products, does not list the ingredients. This was an answer to the same question from July 2016 ... Dilute sodium hypochlorite (i.e. mild bleach) is the main constituent of several brands of denture cleanser. Other ingredients include such chemicals as: sodium bicarbonate - or baking soda, which alkalizes the water, cleaning the dentures. citric acid - removes stains. These denture cleaners may also contain a small amount of sodium perborate, which is banned in products sold in the EU.

Hope this helps.

Question 4

Are these for overnight use?

Accepted Answer

It's called "Efferdent Overnight"

ASIN	B011CYGSTE
ASIN	B011CYGSTE
Amazon Bestseller	#447,612 in Health & Personal Care ( See Top 100 in Health & Personal Care ) #2,605 in Denture Care
Brand Name	efferdent
Contains Liquid Contents?	No
Customer Reviews	4.7 4.7 out of 5 stars (1,694)
Global Trade Identification Number	00814832015893
Item Form	タブレット
Item Volume	5 Milliliters
Item Weight	0.3 Pounds
Item model number	10814832015890A
Material Features	B011CYGSTE。
Model Number	10814832015890A
Part Number	10814832015890A
Product Dimensions	10.8 x 4.93 x 10.8 cm; 136.08 g
Scent	B011CYGSTE。
Size	44 Count (Pack of 1)
Special Features	B011CYGSTE。
Specific Uses For Product	B011CYGSTE。
Surface Recommendation	B011CYGSTE。
UPC	814832015893
Unit Count	1 Count

Efferdent プラスミント抗菌義歯クレンザー| 44錠|積極的に入れ歯の間にクリーン|パッケージングは異なる場合があります

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Efferdent プラスミント抗菌義歯クレンザー| 44錠|積極的に入れ歯の間にクリーン|パッケージングは​​異なる場合があります

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Efferdent プラスミント抗菌義歯クレンザー| 44錠|積極的に入れ歯の間にクリーン|パッケージングは異なる場合があります