Why Do My Teeth Look More Yellow After Whitening Strips?
- Petr Bulanek
- October 6, 2023
Today’s topic might make some of you scratch your heads. We’re diving into the paradoxical world of teeth whitening, where, believe it or not, your teeth can actually look more yellow after you use whitening strips.
You heard me right! Let’s dissect this puzzling phenomenon together.
Table of Contents
The Promise of Whitening Strips
Alright, let’s set the stage.
Whitening strips have been a craze for a good reason. They’re convenient, relatively inexpensive, and promise you a shining smile without the hassle of a dentist’s appointment.
I remember the first time I used them. I was about to go on a date and thought, “Hey, why not dazzle a bit more with a brighter smile?” I dashed to the pharmacy, grabbed the most appealing box of whitening strips, and imagined myself in the commercials—gleaming teeth and all.
Now, whitening strips are made of flexible plastic coated with a gel. This gel contains some type of peroxide-based whitening agent, usually hydrogen peroxide.
The science behind it is quite fascinating; the hydrogen peroxide breaks down the stains on your teeth, making them appear whiter.
You apply these strips onto your teeth, and within a certain period, usually a couple of weeks, you’re supposed to see noticeable results.
But let’s hit the pause button for a moment.
Not everything is as it appears. For every successful whitening story, there’s another tale of woe where things didn’t go as planned.
My initial excitement was tempered when I peeled off that last strip, stared into the mirror, and discovered my teeth looking unevenly colored and somehow yellower in places. A bit of a bummer, to say the least. And I know I’m not alone; several of my readers have shared similar experiences.
According to a study published in the Journal of Evidence-Based Dental Practice, while whitening strips are effective to some extent, the results are not always predictable.
Given the limitations of these over-the-counter products, it’s important to understand why they might not deliver the dazzling smile they promise.
If you’re one of those people who’ve had less-than-stellar results with whitening strips, you’re not alone. Let’s delve into why this happens and what you can do about it.
The Discoloration Dilemma
Let’s get into the nitty-gritty of why things can go south with whitening strips.
First, let’s talk about the design of these little pieces of plastic.
I remember carefully applying one, trying to make it stick uniformly on my teeth. But here’s the catch—teeth are not perfectly flat surfaces. They have curves, grooves, and tiny spaces that a flat strip just can’t reach.
Imagine painting a bumpy wall with a flat brush; you’re bound to miss some spots, right?
The issue here is something called “contact inconsistency.”
The whitening gel on the strips doesn’t cover your teeth uniformly because the strips aren’t custom-fitted. So, some portions of your teeth get more gel, while others get less.
What happens next?
The areas with less contact end up looking darker, and because the whiter areas are now really white, the yellow spots stand out even more.
Enamel Sensitivity
Then there’s the issue of enamel sensitivity, and I’ve got a personal tale to share here. After my third application of whitening strips, I felt a zing on my front tooth. A twinge of sensitivity that made me jump. That’s when I started diving into what these strips could actually be doing to my teeth.
Most whitening strips use hydrogen peroxide as their active ingredient. Hydrogen peroxide is a powerful bleaching agent that can sometimes weaken enamel or make it more porous.
In a study published in the Journal of Dentistry, researchers found that hydrogen peroxide could alter the microstructure of enamel.
Now, enamel isn’t a uniform layer; it has nuances. When it becomes porous or uneven, the whiter patches can make the yellow areas look even more prominent, creating an uneven coloration.
The Role of Dentin
Last but not least, let’s talk about what’s under the enamel—dentin.
Dentin is naturally yellow, and it’s situated right beneath the enamel layer. The enamel layer is somewhat translucent, so if it gets thinner or more porous, the yellow dentin starts to show through more.
This is especially noticeable in harsh lighting or sunlight. If you find yourself thinking your teeth are yellower after using whitening strips, it might be that you’re seeing more of the dentin.
So, why did my teeth look more yellow after the whitening strips?
It was likely a combination of these factors: uneven application, altered enamel, and the revealing of underlying dentin.
What’s the Solution?
I get it. After reading about all the potential pitfalls, you might be thinking, “Should I give up on whitening strips altogether?”
Don’t throw in the towel yet. There are ways to navigate around these issues and still work towards that dream smile of yours.
Professional Whitening
First and foremost, I have to put in a good word for professional teeth whitening. Sure, it might cost a bit more upfront, but in my experience, it’s worth every penny.
I eventually decided to try in-office whitening with my dentist, and the difference was night and day. No more uneven shades or sensitivity; I walked out feeling like I could light up a room with my smile!
The thing with professional whitening is that it’s tailored to you.
Dentists use custom-fitted trays and stronger, yet safer, concentrations of whitening agents. These agents can penetrate the teeth more effectively and evenly.
And since the treatment is supervised, there’s a lower risk of damaging your enamel.
It might be a pricier route, but consider it an investment in your smile.
Aftercare is Key
After you’ve whitened your teeth, either with strips or professional treatment, they’re going to be more susceptible to staining.
I learned this the hard way after celebrating my newly brightened teeth with a glass of red wine—big mistake!
My dentist later told me to avoid dark-colored food and drinks for at least 48 hours post-whitening. That means steering clear of coffee, tea, red wine, and even dark sodas.
I recommend rinsing your mouth after meals and using a straw for drinks that could stain your teeth.
Trust me, a little caution can go a long way in maintaining those pearly whites.
Regular Maintenance
Finally, don’t forget that whitening isn’t a one-and-done deal.
You’ve got to maintain that dazzling smile with regular cleanings and, if necessary, touch-up whitening sessions. I’ve made it a point to see my dentist for a professional cleaning every six months.
My dentist also advised using a whitening toothpaste for daily maintenance, which has been effective in keeping my teeth bright in between more intensive whitening treatments.
Wrapping It Up
Alright, folks, we’ve taken a deep dive into the somewhat perplexing world of teeth whitening.
It’s true; sometimes, those strips can leave you puzzled and wondering why your teeth look yellower.
Understanding the why—contact inconsistency, enamel sensitivity, and the role of dentin—can help you make better decisions moving forward.
If you’re disappointed by the results you got from whitening strips, consider switching gears and going the professional route. I did, and I’ve never looked back. Also, be mindful of aftercare and regular maintenance to keep that smile in tip-top shape.
Until next time, keep smiling!
FAQs
Can I use whitening strips on sensitive teeth?
If you have sensitive teeth, you should proceed with caution. I personally have had those zingy sensations after using them! You can try strips that are specifically formulated for sensitive teeth. And here’s a golden nugget from my own trials and errors: applying a desensitizing gel or toothpaste before and after using the strips has been a game-changer for me. But hey, always consult with your dentist first! They can help guide you to a whitening method that won’t have you wincing in discomfort.
How often should I use whitening strips?
Most of the whitening strips recommend daily use for a set period, often around two weeks. That’s what I stuck to when I first tried them and it worked well. But here’s my nugget of wisdom: restraint is key. Overusing whitening strips can lead to increased sensitivity and even damage to your enamel. After the initial period, using them occasionally (think once every few months) is what I personally do to maintain that sparkle without risking my oral health.
Do whitening strips expire?
Absolutely, they do! Much like the forgotten salad dressing in the back of your fridge, whitening strips also have a shelf life. Generally speaking, they’re good for about one to two years after production. I remember using an old box once – not a great experience! The efficacy diminishes over time and the adhesive can get less “sticky”. Make it a habit to check the expiration date on the box to ensure you’re getting the most out of your whitening experience.
Can I eat right after using whitening strips?
After peeling off those strips, it’s generally a good idea to wait at least 30 minutes before eating or drinking. When I tried eating right away, my teeth were a bit sensitive and, to be honest, I was worried about restaining them immediately. So, patience is key here. Use the waiting time to admire your increasingly pearly whites in the mirror or plan your next delicious meal!
Why do my teeth hurt after using whitening strips?
Tooth sensitivity or mild pain after using whitening strips is pretty common. It’s mainly because the peroxide (the whitening agent) can sometimes irritate the nerve of your teeth. My first time using them, oh boy, I remember that surprising jolt of sensitivity. For me, switching to a brand designed for sensitive teeth and using soothing toothpaste made a world of difference. However, persistent pain isn’t normal. If that’s happening, it’s crucial to stop using the strips and have a chat with your dentist.