Find out what causes separation of the DenSureFit silicone from a denture base and how to fix it.
My DenSureFit liner peeled out of my denture!
My DenSureFit liner is lifting at the edges!
This troubleshooting guide for premature peeling or lifting is helpful whether the DSF was applied on top of a hard acrylic surface, on top of a soft reline from your dentist, on top of a new or hard relined denture, or on top of a previous layer of DenSureFit silicone. See the bottom of the info for HOW TO FIX it.
If you have an issue with your denture lifting from your denture, please contact us so that we can help you out.
First of all, let’s make sure that your denture is compatible with DenSureFit. What is your denture made of? If it is standard acrylic, then please read the following scenarios to try to figure out what the issue might be. If your denture is made of an alternative denture material, please know that DenSureFit is for use on acrylic dentures only. The silicone does not adhere well to alternative denture materials such as Valplast, Flexite, Karadent among other materials that are not acrylic. DenSureFit should not be used on these materials as it will lift rather quickly and a long-life of the liner cannot be expected.
Second, do you have a brand new denture or have you recently had a hard reline? Brand new dentures or hard relined dentures are sometimes polished with a substance that prevents proper adhesion of DenSureFit. It is important to remove this invisible substance before you apply your DenSureFit. To prepare your dentures for a reline application, wash your denture thoroughly with dish soap and a soft gentle brush to remove any oils or residue left behind before attempting to add more silicone to your original application. To further ensure that no pesky oils are hanging on, you can saturate a cotton ball with rubbing alcohol and wipe the inside of your denture down several times after you scrub with dish soap and dry it. Make sure it is squeaky clean! The denture needs to be perfectly clean and crispy dry or the silicone will not adhere.
If you have an acrylic denture and it is not a new or newly hard relined denture, take a look at the following scenarios to figure out what your issue might be.
There are several reasons which will prevent proper adhesion of the DSF silicone, whether it be to itself, a soft reline from your dentist, or on top of a hard acrylic denture base:
- Was your denture SQUEAKY CLEAN before applying DenSureFit?
Any foreign substance will prevent proper adhesion, especially oily substances like oil from coffee or from denture adhesives. To prepare your dentures for a reline application, wash your denture thoroughly with dish soap and a soft gentle brush to remove any oils or residue left behind before attempting to add more silicone to your original application, on top a a hard acrylic base, or over a soft reline from your dentist. Cleaning your denture with a denture cleanser will not sufficiently remove residue from your denture, although it does do a great job of removing bacteria. To further ensure that no pesky oils are hanging on, you can saturate a cotton ball with rubbing alcohol and wipe the inside of your denture down after you brush/wash with dish soap and dry it. The denture needs to be perfectly clean and dry or the silicone will not adhere.
- Was your denture PERFECTLY DRY before applying your DenSureFit? Any moisture will prevent proper adhesion. Whether applying DenSureFit on your hard acrylic denture, over a soft reline from your dentist, or on top of a previous application of DenSureFit, the surface must be perfectly dry!
- Was primer applied thoroughly to the entire denture plate? The primer contains an organic tacky substance that allows the silicone to stick to your soft reline from your dentist or to your denture. Without this primer, the silicone will lift. Because of the special bonding agent inside of our primer, unfortunately there is no substitute for the DenSureFit primer.
- Were you touching the edges or inside of your denture during your reline? (If the edges are lifting.) Avoid touching the edges or inside of your denture during your reline. Only handle it from the outside/teeth-side. Oils from your fingers can transfer onto your denture surface and can prevent proper adhesion.
- Is your denture surface super smooth and highly polished? If so, you may need to add slight roughness to get better adhesion. Silicone will stick better to dentures with rougher more porous surfaces. It might be necessary to gently rough up the denture plate with the soft/fine side of an emery board to get a little traction for the silicone to better stick. Be gentle. Do not change the surface contours of your denture in any way. Just add a little texture to your edges where the silicone is likely to lift.
HOW TO FIX A LINER THAT IS LIFTING OR PEELING
If your liner is peeling a lot, then you’ll have to take it out and start from scratch with a new application.
- If you feel you need to add some texture to your denture at the edges to give the silicone a better surface to grab on to, add a little texture using the fine side of an emery board.
- Make sure you prep the denture before your re-application by first,scrubbing your denture thoroughly with dish soap, rinsing well, and drying completely until it is crispy dry.
- Then, just to make sure there is no pesky residue remaining, wipe down the inside and edges of your denture with rubbing alcohol.
- Apply primer and let dry.
- Re-apply silicone as directed.
If your liner is just lifting in a couple small spots at the edges but the rest is adhering very well, you can simply patch that area up with new silicone.
- Cut away the silicone that has lifted with small scissors or exacto knife.
- Clean the spots where it lifted thoroughly with dish soap, rinse, dry.
- Wipe the area with rubbing alcohol.
- Apply primer to the bare areas and let dry.
- Apply a dab of silicone to the bare areas and seat in your suction spot for 4 minutes.
