Baton Rouge Dentist

How Long Does Tooth Whitening Last?

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Hi there,

I got a free teeth whitening kit with custom trays as a promotion from my new dentist. At first, I was so pleased with the results after just a few weeks. My teeth looked so much brighter! However, it didn’t last very long — they’ve gone back to their usual shade. I’m due to go back in for a check-up anyway. Did my dentist give me a poor quality kit on purpose, so I’d come back in for a real whitening? Or is it just a coincidence?

Alice, from Versailles, Kentucky

 

Hi Alice,

The whitening kit you received was likely a professional-grade whitening kit. How long your teeth whitening lasts is based on several factors, such as:

  • Whether you drink coffee, tea, or red wine
  • Whether you eat dark-colored foods like tomato sauce, soy sauce, or curry
  • Whether you are a smoker

If you enjoy any of the above to excess, your teeth will stain more quickly. Enjoying them in moderation, along with healthy oral habits, will extend how long your teeth whitening lasts.

To prevent staining your teeth, try the following tips:

  • Avoid eating acidic foods — they will wear down your enamel faster
  • Brush your teeth after meals or at least 2-3 times a day
  • Avoid sipping on acidic beverages such as coffee or tea, or sugary beverages like cola or sports drinks. Drink them quickly, or use a straw to minimize contact. If you can, brush your teeth immediately after.
  • Cut back or quit smoking.

You can also use your whitening kit for a few days to get your teeth back to the shade you like, and talk to your dentist about your options at your next visit.

This blog post is brought to you by Baton Rouge teeth whitening provider, Dr. Ryan P. Perry.

Can a Bleaching Kit Cause Pain?

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Hi,

My teeth are in generally good condition, and I have some old bonding on a front tooth to cover a chip. I’ve been using an at-home bleaching kit for the past few weeks, and I’ve been liking the results so far. However, the last time I used it, I felt a sharp pain on my front tooth for several seconds. Is this pain from the bonding, or from the bleaching kit? Or is it both?

Thank you,

Minerva, from Hazard, Nebraska.

 

Hi Minerva,

Thank you for your message. While you’ve had good results so far with the whitening kit, it’s important to use them at the direction of a dentist. Dentists can send you home with custom bleaching trays, which are stronger than over-the-counter kits. Under their supervision, they can monitor you for any pain or sensitivities. Let your dentist know about the pain you’re feeling, and they can coat it with something to eliminate the source of the sensitivity at your next appointment. However, you should stop bleaching for the time being until you can get the pain under control.

This type of pain you’re feeling is common, caused by placing bleaching gel on a sensitive part of the tooth. Since the tooth has been repaired after an injury, that could be why. Some of the bonding agent may have come off prior to the whitening.

Bleaching gel is not known to weaken bonding on teeth. If it did, your entire piece of bonding over the tooth would have fallen off too, and you’d be feeling a different type of pain.

This blog is brought to you Baton Rouge tooth whitening provider, Dr. Ryan P. Perry. Dr. Perry offers in-office and at-home tooth whitening through the Core system.

Can Teeth Get Too White?

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Many people understand the concept behind teeth whitening. They know that our teeth collect stains through the years. The now that teeth take on pigments from coffee, some fruits, wine, and other pigmented sources. They also believe teeth whitening removes the stains. However that is a misconception.

Teeth Whitening Bleaches the Natural Pigment in Your Teeth

While teeth whitening removes the pigmented stains, it also removes the natural pigment in your teeth. This can be illustrated by explaining shade guides.

Teeth Whitening and Shade Guides

In dental school, dentists learn about shade guides, a tool with a full spectrum of natural teeth colors which a dentist may see in natural teeth. When he or she needed to match a patient’s natural tooth color for a crown, or some sort of unnatural tooth, the dentist could always refer to the shade guide.

vita-shade-guide

Teeth whitening gained momentum in the 1990s. When people would be in need of porcelain crowns, the color of their natural teeth would be much whiter than that on the shade guide, because they’d been whitening their teeth. Therefore, the manufacturers had to adjust the guide, to allow for the whitened colors.

vita-shade-guide-bleached-extension

Experienced cosmetic dentists will use the revised shade guide, as they often have clients who have teeth whitening done on their teeth. However, general dentists typically only consult the original shade guide. Therefore, a patient who has had his or her teeth whitened, who visits a general dentist, with less cosmetic experience, runs the risk of crowns or veneers not matching the natural pigment in their teeth, because even the whitest shade on the guide could still be darker than whitened teeth.

The Amount of Whitening Caused By Teeth Whitening

The results of dental studies indicate that the longer your whiten your teeth, the whiter they will become. However, the longer someone uses the bleaching gel, the amount of whitening will actually begin to decrease, causing most people to hit a point where they stop. Some people will whiten their teeth to the point that they seem to glow. It is all a matter of preference.

This blog post was provided by the office of Baton Rouge teeth whitening dentist, Dr. Ryan Perry.

Why is my teeth whitening causing me pain?

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I have been whitening my teeth, using an at-home system, for a couple of weeks now and have had no problems. However, during my whitening session yesterday, I experienced an intense pain for about half of a minute in my front tooth. This tooth has a dental bond that was chipped and corrected over a decade ago. Do you think the pain is any indication that the dental bond needs replaced? Or, is there any chance that the whitening I’ve been doing is causing the bond to lose its strength? I’m worried that it could be both.

Thank you,
Lindsay

Dear Lindsay,
It is unlikely that the bleaching would cause the bond on your tooth to weaken. The bleaching gel has no history of weakening bonds such as this. In addition, if the bond were beginning to lose its strength, the repair, which you mentioned having done to to the chip in the bond, would likely fall off and not just cause pain.


The pain you mentioned experiencing can be attributed to the bleaching gel applied to a part of the tooth which is sensitive. If the tooth has been chipped and repaired, it’s possible that the part which is sensitive was previously covered by a bonding agent that is no longer there.

This is a good reminder that teeth whitening is best done under the supervision of a dentist and hopefully this is the case with you. You should make your dentist aware of the pain you’ve been experiencing. He or she should be able to determine the cause of the problem. If there is a sensitive part to the tooth, something can be applied to address the sensitivity, allowing you to move forward with your current bleaching treatment. It is important that you address this prior to any more bleaching.

This blog post is brought to you by Baton Rouge teeth whitening dentist, Dr. Ryan Perry.

Can lemons make my teeth whiter?

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I am interested in whitening my teeth and have been researching ways to do it myself. The more natural options continue to appeal to me. My teeth aren’t in terrible condition, but I would be happy if they were a little brighter. The lemon and orange method to whitening continues to jump out at me. They say if you use the essential oils in these fruits, or rub the peels on your teeth daily, the method works as a whitening agent. How does this help? What causes the fruit to whiten my teeth?

Thanks,
Carrie

Dear Carrie,
While this, indeed, is a solution promoted by natural health resources, it can cause permanent damage to your teeth for several reasons.

  1. There are many reasons for tooth discoloration. The discoloration of teeth can be intrinsic, which comes from inside the tooth, or extrinsic coming from outside. When a tooth dies, it becomes gray. Age, genetic factors, hard brushing, acidic wear, or some medications, can all cause discoloration to show through. Extrinsic stains are often the result of habits such as drinking soda, coffee, tea, wine, or juice. Smoking can also cause the change in color.
  2. Clean teeth don’t usually have external staining. Teeth build up a natural layer of plaque. This is similar to the slippery film on a rock in a river or a lake. This plaque layer is called biofilm and it includes bacteria that can cause tooth decay or gum disease. Brushing twice a day and visiting your general dentist regularly can ensure none of the biofilm stays on teeth. Coloring from food or drinks won’t have much to stick to when teeth are clean. It is when the biofilm builds up that the stains tend to last. Regular dental hygiene is the best way to prevent this buildup.
  3. Citrus fruits do whiten teeth. Citrus fruits can brighten teeth, mainly due to their citric acid killing the bacteria. Apple cider vinegar can also be used on discolored teeth, but does have acetic acid.
  4. Acids can damage tooth enamel. The acid in the above cures will weaken and wear down the enamel on teeth, magnify the discoloration of teeth, cause them to become more sensitive, and make them more susceptible to decay. Unfortunately, once tooth enamel goes away, there is no way to get it back. Some sources suggest using oil or a water rinse to weaken the impact of the acid, but this is not a guarantee. The best choice would be not to use the methods which involve acid at all.
  5. Use professional whitening. It is important to discuss any of the natural cures to the stained teeth with your dentist first. Determine what he or she thinks is best, or, better yet, find a dentist who does teeth whitening, and know that it is a tested and safe method.

This blog is sponsored by Baton Rouge teeth whitening dentist, Dr. Ryan Perry.

I brush my teeth three times a day and they are still yellow?

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I have yellow teeth and I been brushing my teeth three times a day since January and now it’s March and I have seen a little change in color. I bought the spin brush it says that it will make my teeth whiter in 7 days. It’s been two months and yet they are still yellow. Please can anyone tell me if there is a way to whiten your teeth?

Thanks, Kim

Dear Kim,

The most effective way to whiten your teeth and keep your smile bright for years is to have them professionally whitened at the dental office. Most offices offer two types of bleaching. One is a take-home kit that requires you to have dental impressions of your teeth so bleach trays can be designed to fit your teeth. You wear the trays daily for a couple of hours with the bleaching gel for two to three weeks. This is the most cost-effective way to bleach your teeth. The price can range from $200 to $350. The other bleaching method is laser bleaching. This procedure usually requires about two hours in the dental chair and can brighten your smile about four shades lighter, depending on the shade of your teeth. This type of bleaching can cost anywhere from $500 to $600, however, whitens teeth instantly unlike the trays. Both methods work well however our teeth can discolor over time from dark liquids and smoking, therefore many like to touch up there smiles about every 3 to 5 years by purchasing a couple of tubes of dental bleach to put in their trays to brighten their smile. We recommend you consult with your dentist to see which procedure will best meet your needs.

Post courtesy of Dr. Perry, Baton Rouge Dentist.