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Denture Liners and Prevention of Zinc Poisoning

Denture liners, also sometimes known as denture reliners, or denture relines, are an excellent solution to the problem of ill-fitting dentures, and thus can be a great weapon in the fight against zinc poisoning from denture adhesives. There are two basic categories of denture liners; the type that only your dentist can apply, and the type you can apply at home. Naturally, if you can afford the type which your dentist will provide, by all means, go that route. A professionally fitted set of denture liners will be made of higher-grade materials and may last longer than the at-home version.

If, however, you are saving up for new dentures, implant supported dentures, or some other solution, the at-home version is still a fantastic choice, and well within reach for most everyone. And the great news is that in doing my research, I found all denture liners to be zinc free! Home denture reline kits run about $10-$20 per plate, and can last up to two years.

While there are several different brands of denture liners on the market, most, if not all, operate on the same basic principle. They are made of a somewhat pliable material which, when applied to the interior of your dentures and bitten down on, takes on the shape of your gumline. This allows natural suction to do the work of holding your dentures in place, just like it (hopefully) did when your dentures were new.

Most of these kits involve an acrylic (plastic) material. This means that you must mix together two substances (usually a powder and a liquid) so that the plastic can harden into a solid when you’ve finished the molding process. While this can be a messy process (and I have read that the plastic can have an unpleasant taste when it is still in its moldable stage), it only needs to be done once in a long while, so most folks find it to be a very worthwhile hassle. Here’s the lowdown on the most popular brands of denture liners:

Perma Soft is probably the most popular denture liner product. The reviews on Amazon are generally good (there will always be someone who doesn’t like a product :) ), and they seem to agree on one thing: follow the package instructions for best results. I know this may seem like a no-brainer for some folks, but you’d be amazed how many others will only read part, or think they remember how to use a product from the last time, and then wind up unhappy with their results. Another tip: while this liner is what a dentist would call a “soft” reline, the acrylic does become quite hard when it cures. While this may make the name seem incorrect, technically it is still a soft denture liner.

Acryline 2 ranks second among the reviewers at Amazon, and is very similar in application to Perma Soft. In fact, they may be the same material, but not being a chemist, I can’t analyze them and say for certain. :) An excellent tip I found among the reviews for Acryline 2 was this: if it’s your first-time using this product, put the materials in the refrigerator before combining them; this works because plastics require heat for the hardening process. While this material will still generate its own heat, starting the ingredients out cold will slow this reaction time, giving you more time to work with the product before it sets. This can save you a lot of heating and scraping! Since this product and Perma Soft are similar, putting Perma Soft in the fridge would probably give you more working time as well.

Flexiliner is a third acrylic denture liner option, and appears to only be available via eBay at the time of this writing. Still, the feedback on this product has been 100% good, and the distributors say it’s similar to the discontinued product Denturite (which was a Sea-Bond product).

Last and probably least is a relatively new kid on the block called the Weber Denture Liner Kit. Reviews of this are universally bad, and even the powdered adhesive included with the kit gets panned. I include it here mostly because of the review that mentions that this product is essentially just paraffin wax. I’m guessing if someone can get away with selling paraffin wax as denture liners, that if you happen to have some laying around (the kind you use for canning, not the dyed and perfumed sort found in candles!), it might be usable as a make-do measure until you can lay hands on the acrylic denture liner kit of your choice.

Whichever denture liners you choose, you will undoubtedly see an improvement in your bite and far less slippage. Possibly the best thing about your new denture liners, though, is that they will allow you to use less (or perhaps even zero) denture adhesive. So no matter whether you’re using a zinc-free denture adhesive or not, you will be ingesting less adhesive!

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