If you're currently panicking because you just swallowed your lunch along with a chunk of silver or resin, using dental wax for filling that fell out is probably the best temporary fix you've got until you can get into a dentist's chair. It's one of those minor domestic disasters that feels way bigger than it is. One minute you're enjoying a piece of toast, and the next, your tongue discovers a cavernous hole in your molar that definitely wasn't there ten minutes ago. It's uncomfortable, it's distracting, and if the air hits it the wrong way, it can be downright painful.
The good news is that while losing a filling is an "appointment-required" situation, it's rarely a "middle-of-the-night-emergency-room" situation. You just need to bridge the gap between right now and your dental appointment. That's where dental wax comes in.
Why dental wax is your new best friend
Most people think of dental wax as something only teenagers with braces use to stop their brackets from shredding the inside of their cheeks. While it's great for that, it's also a lifesaver for missing fillings. When a filling pops out, it leaves the sensitive inner layers of your tooth—the dentin and sometimes even the nerves—exposed to the world.
Everything from cold air to a sip of coffee can trigger a sharp, zingy pain because those nerves aren't used to being out in the open. Dental wax for filling that fell out works by creating a physical barrier. It's waterproof (well, saliva-proof), pliable, and inert, meaning it won't react with your mouth. It basically acts as a "plug" to keep the elements out and keep your tongue from getting sliced on any sharp edges left behind.
How to actually apply it without making a mess
You'd think sticking a bit of wax in a hole would be straightforward, but there's a bit of a technique to it if you want it to stay put for more than five minutes. First, go find some dental wax. You can get it at pretty much any drugstore or supermarket in the oral care aisle.
Before you touch the wax, wash your hands. You're going to be shoving your fingers into an open space in your tooth, so you don't want to introduce any extra bacteria into the mix. Once your hands are clean, take a small piece of wax—about the size of a pea—and roll it between your fingers. The warmth of your skin softens the wax and makes it easier to mold.
Now, here is the tricky part: you need to dry the tooth. Wax won't stick to a soaking wet surface. Use a clean cotton swab or the corner of a paper towel to gently pat the tooth and the surrounding area dry. Once it's as dry as you can get it, press the wax ball into the cavity. Use your finger or the tip of your tongue to smooth the edges down so it blends with the tooth. You want it to feel relatively flat so it doesn't get knocked loose when you bite down.
Managing the sensitivity and pain
If the tooth is really throbbing, the wax will help, but it might not be a magic cure-all. When a filling falls out, it's often because there was some new decay underneath it that loosened the bond. That decay might have already made the nerve a bit grumpy.
While you've got your dental wax for filling that fell out in place, you can also take some over-the-counter pain relief like ibuprofen or acetaminophen. Some people swear by clove oil (eugenol), which you can find at most pharmacies. You can dab a tiny bit on a cotton ball and touch it to the tooth before putting the wax on. It has a numbing effect and smells like a craft store in November, but it works wonders for dental nerve pain.
What to avoid while the filling is missing
Even with the wax in place, you've got to be careful. This isn't a permanent fix, and it's certainly not as strong as the original filling.
- Avoid the "sticky" stuff: This is common sense, but skip the gummy bears, caramel, and even thick bread for a few days. These things will pull the wax right out and might even take another piece of the tooth with them.
- Don't use superglue: It sounds ridiculous, but dentists see this all the time. People get desperate and try to glue a filling back in or fill a hole with household adhesives. Don't do it. These glues are toxic, they can kill the nerve of your tooth, and they make the dentist's job ten times harder when you finally show up.
- Skip the DIY kits (usually): Those "temporary filling" kits you see at the pharmacy are okay, but they can be hard to use and often crumble. Dental wax is usually more comfortable and easier to remove when it's time for the real repair.
Eating and drinking with a wax plug
You still have to eat, right? Try to chew on the opposite side of your mouth. It feels awkward, like you're learning to eat all over again, but it's the best way to keep the wax in place.
If you happen to swallow the wax while eating, don't panic. Dental wax is non-toxic and designed to be used in the mouth. It'll pass through your system without any drama. You just have to go through the whole drying and applying process again once you're done with your meal.
When it comes to drinks, try to stick to room-temperature water. Extreme cold or extreme heat can cause the tooth to expand or contract, which might cause pain even under the wax. Plus, really hot tea or coffee can melt the wax, which is a pretty gross sensation.
Why you can't just leave the wax in forever
It might be tempting to think, "Hey, this wax feels fine, I'll just keep doing this and save the money on a dental bill." Please, don't do that. Dental wax for filling that fell out is a "Band-Aid," not a cure.
The hole in your tooth is a magnet for bacteria. No matter how well you clean it or how tightly you pack that wax, microscopic bits of food and sugar are going to get trapped in there. Since you can't brush inside the hole, those bacteria will start throwing a party, leading to a much deeper cavity or even an abscess. What could have been a simple replacement filling could turn into a root canal or an extraction if you wait too long.
Most dentists will try to squeeze you in quickly for a lost filling because they know it's an urgent (and painful) issue. Call them as soon as it happens and tell them exactly what's going on.
A few final tips for the wait
While you're waiting for your appointment, keep the rest of your mouth extra clean. Brush gently around the area and use an alcohol-free mouthwash to keep the bacterial load down. If you notice any swelling in your gums or a fever, that's a sign of infection, and you need to tell your dentist that it's moved past a "simple lost filling" situation.
Losing a filling is a total pain in the neck (and the mouth), but it's manageable. Grab some wax, get it packed in there, and take it easy on the chewing until the pros can fix you up. You'll be back to eating normally before you know it, and that weird gap in your tooth will just be a temporary memory.