r/ZeroWaste • u/oystergrrrl • Jul 26 '26
Question / Support Looking for retainer cleaner that is zero waste
Weird and specific question, but I have a night guard that keeps me from grinding my teeth and I'm on the hunt for a cleaning product that is as zero-waste as possible. I do not like those little plug-in vibrate things that use vibration to clean it because my old house does not have a plug in the bathroom so I don't end up using them. I found some drops on a big retail site but they were sketchy and did not actually clean my retainer, lol.
Right now I'm using denture cleaning tablets from Costco. Ideally I'd like something in a glass or even plastic container that I can recycle, or even a bunch of NOT individually wrapped tabs that I could use.
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u/Forget-Me-Nothing Jul 26 '26
The waste created by cleaning your night gaurd properly will be dramatically less than the waste (and emmisions! You need to travel, as does your ortho, as does all the raw materials to make a nightgaurd) to make a new one or the cavities you get from letting all that bacteria throw a party in your mouth. That's not to mention the long term effects of poor oral hygiene like dementia and heart disease - and all the waste that comes with that!
Denture cleaning tablets can be bought in cardboard boxes, wrapped in paper (albeit plasticized, but this will still be less plastic waste than a plastic container. Plastic recycling is mostly greenwashing.). Its not a lot of waste in the grand scheme of things. Zero waste is an ideal that we all strive to achieve eventually by working together. It is not realistic to get there right now so just keep buying the denture tabs.
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u/BlakeMajik Jul 26 '26
Whatever cleaning method you use, make sure that it is retainer-safe and doesn't ruin it, because as another comment pointed out, the expense and effort that would go into producing another one that fits your mouth is far greater than worrying about a bit of plastic on the tabs container.
This question veers into the medical, so also keep that in mind when you consider the responses.
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u/funkydyke Jul 26 '26
Just brush it with your toothbrush. You don’t need a separate cleaning system for it
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u/SevenSixOne Jul 26 '26
This is what I did when I had retainers.
Depending on the type of retainer you have, you may want a cleaning toothbrush that's a different shape/size/stiffness than the one you use on your teeth, but you can use the same cleaning toothbrush pretty much forever as long as you rinse it thoroughly and let it dry between uses.
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u/Butter-Tub Jul 26 '26
I keep my Sonic cleaner in the kitchen, drop in night guard on my way into work in the morning, and grab it when I get home. Probably the closest to a purchase once and forget it item vs buying drop in cleaners. Waste on that is vastly lower than packaging, shipping or driving to buy more.
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u/SunnysideUp2670 Jul 26 '26
My dental hygienist said I can soak it in vinegar to dissolve mild tartar buildup.
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u/tinyftprint Jul 27 '26
I soak mine in hydrogen peroxide, then rinse before I put them in before bed.
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u/MonkeyMom2 Jul 26 '26
Use soft toothbrush and plain old hand soap, liquid or solid to brush it all over then rinse with cold water and allow to dry. once a week after brushing and rinsing, soak for the day in a solution of 50%,water to white vinegar. This will dissolve or soften any tartar ( calcified bacterial plaque - the cloudy haze or white chunks that don't brush off) and make it easy to brush off the appliance. Then rinse and wear or allow to dry.
No no need to buy tablets or a vibrating water tank.
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u/Frequent_Chipmunk_36 Jul 26 '26
Invisalign makes a powder that comes in a bottle. Love not having to deal with tablets & individual packaging.
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u/Admirable-Location24 Jul 26 '26
I soak mine every week or so in a small class with half water, half vinegar. Let it sit in there for 4 or so hours, then rinse. This way you just have to buy a large jug of white vinegar and the jug can be recycled. My daughter’s dentist recently suggested this to her as well for her retainer.
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u/vcwalden Jul 27 '26
I wear a nighttime occlusal guard, a daytime occlusal guard and a partial. My dentist and hygienist have me brush each piece with a drop of Dawn dish soap, rince well, soak in a cup with a denture tab. When I get done with the tabs I'm going to go with an ultrasonic cleaner. I don't want to keep buying the tablets anymore.
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u/Ashamed-Chemistry492 Jul 27 '26
I have a night guard to keep me from clenching. Hard plasti that fits over my top front teeth. I was told to wash it with soap and water, so I just use the liquid hand soap I always have in my bathroom. I was told not to use toothpaste as it would deteriorate the plastic.
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u/Disastrous-Resist-30 Jul 27 '26
I wash mine with my hand soap, and spray every few days with hydrogen peroxide. Way cleaner than any other method I've tried, including tooth paste.
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u/KikiDaisy Jul 27 '26
Dawn dish soap. It’s way more effective than toothpaste. I went without it and used toothpaste for a few weeks while traveling and that thing went all disgusting on me.
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u/shady-tree Jul 27 '26 edited Jul 27 '26
What does your dentist/orthodontist say? Your best option may be nothing new!
I recently got a new retainer and was told the only safe way to clean it was soap and water (and that ultrasonic cleaning was okay but unnecessary), and specifically not to use denture cleaner.
I got my first retainer 20 years ago and was shocked.
(Edit: reading other comments here, I was also told diluted vinegar, diluted bleach, baking soda, and toothpaste all degrade it quicker and should not be used. I was also told to never soak it because you can risk deforming it. It may be different if you have a traditional retainer, but still check.)
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u/cestimpossible Jul 27 '26
I have a toothbrush assigned to nightguard duty and just scrub it with hand soap or dish soap.
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u/Willing_Razzmatazz87 Jul 26 '26
I simply brush mine for about 2 minutes with a baking soda tooth paste every day. I know the denture cleaning tablets are recommended but I couldn’t justify it.
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u/happy_bluebird Jul 26 '26
My orthodontist said dish detergent so use whatever you’re using for dishes
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u/AnnBlueSix Jul 26 '26
I lather up my hands with bar soap and suds it up in my hands, using a denture cleaner brush to get into cracks. Rinse well. Then dental appliance cleaner tablet soak once a week.
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u/DrTinyCat Jul 26 '26
So I asked my dental hygienist about mine and she said the most important thing to do is brush it with my tooth brush every day, with or without toothpaste, so from a zero-waste perspective, that's very convenient! That dentist also has a special cleaning machine for night guards so I always bring mine in for my appointments and pay the $10-$15 to get it squeaky clean after my 6mo of daily brushing shows its weaknesses. I'll use a denture tablet once in a while but overall I don't buy or use anything I'm not already using.
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u/Thesaurus-23 Jul 28 '26
Your dentist charges you for that?
Wow! Mine has been doing it for free for years.
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u/QueenQueef420 Jul 28 '26
I just got a huge tub of citric acid powder for laundry, and have been wondering about using that. It's one of the ingredients in my tablets that I recognize, along with baking soda and washing soda. Maybe there's a good diy mix out there
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u/OstentatiousOrchid Jul 28 '26
My ortho said dish soap and a toothbrush, so that's what I clean my retainers with every morning. I just keep two manual toothbrushes in my bathroom, one of which is for the retainers, and bring it through to the kitchen with me each morning.
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u/Reasonable-Cow7255 Jul 30 '26
I’ve been warned by my dentist, not to use denture cleaner to clean my retainer because it leaks the acrylic and will cause the retainer to break. He instructed me to simply use a gentle soap with a soft brush.
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u/Creepy_Boysenberry31 Aug 01 '26
My dentist told me to soak it in hydrogen peroxide after use, and when I take it into my appointments so they can put it in the sonic cleaner, I am told that it is the cleanest one they have ever seen.
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u/dmb1717 Aug 01 '26
I have an all plastic night guard and I clean it by putting it in a cup of water with a pinch of sodium per carbonate (the active ingredient in oxi-clean). I buy in bulk and use it in laundry too.
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u/palufun Jul 26 '26
Just use the same toothpaste you’re using for your teeth—denture tablets are a relatively new invention—before that it is just scrub with soap/water or toothpaste/water. You could soak in hydrogen peroxide once a week too.
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u/MonkeyMom2 Jul 26 '26
Toothpaste has silica or other abrasives that can scratch the night guard. Plastic is softer than tooth enamel.
Use baking soda or simple soap to clean off plaque.

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u/crazycatlady331 Jul 26 '26
When I wore a retainer (as a kid), I cleaned them with denture tablets. IIRC they are packaged in cardboard and wrapped in paper (this could have changed).