Use Teeth Whitening Gel

Tooth whitening gels are essentially Hydrogen Peroxide (HP) or Carbamide Peroxide (CP), a product that eventually breaks down into HP. Both oxygenate the teeth into the enamel and dentin to remove stains within the teeth. These gels are effective on teeth up to a certain extent, based upon strength of product, duration of use, and what staining products are counteracting the efforts. They do not, however, work on dental work like caps, bridges, veneers, or crowns. With the right preparation, usage, and cleaning, using teeth whitening gel can improve the shade of your teeth and aid your self-esteem.

Steps

Applying the Gel

1. Ask your dentist to construct a fitted tray. A poorly fitted tray can be created by your dentist. The custom tray can fit the curves and contours of your teeth to properly cover all applicable surfaces, and maximize the ability of the gel. There are a few downsides if an ill-fitting tray:
   • Tooth sensitivity can occur, but typically only lasts until the gel is removed.
   • Gum irritation is a common side-effect of whitening gel. Slight burns may even appear.
   • Some using whitening gels experience lips and throat as well.
2. Consult with your dentist about using the gel. Depending on the type of gel and the construction of tray, there could be variations in the amount of gel to use. Have your dentist provide you with instructions on how to use the gel, when to use it and for how long. These things depend on your clinical status and desired final result as well as your oral hygiene and eating habits, which are crucial in the whitening procedure. Your dentist may even demonstrate gel use.
3. Desensitize and heal your mouth beforehand. To decrease the chances of experiencing sensitivity complications, you’ll want to condition your teeth with something containing potassium nitrate and fluoride. There are a few things you can do to make the transition easier.
   • Brush using a de-sensitizing toothpaste for a few weeks prior to starting bleaching treatments.
   • Allow ample time for any inner-mouth cuts to heal. Use plain glycerin or alcohol-free mouthwash if there are any existing mouth ulcers
   • Give your tray a bleach-free test-run for fit and comfort. Check if the margins of the tray go over your gum line for more than 4 mm. If the do, you will need to have it reshaped by your dentist.
4. Put a small amount of gel into the tray. Use either a dab per tooth or a small line into the front part of the tray. Do not fill the tray or spread the gel around. An ideal amount is about halfway up the inner front of the tray.
   • Approximately 0.5 ml of gel is the amount per arch you’d like to apply.
   • Apply firm pressure and try moving the tray from left to right for a better distribution of the gel on your teeth. Do not push so hard the gel oozes outward.
   • Some recommend bleaching just the front six to eight teeth since back teeth are rarely seen.
5. Wipe away the excess materiel. Holding the tray firm with one hand, gently wipe away any excess that moves out towards the gums. Some recommend using a dry toothbrush, so there is not water dripping into the gel tray and diluting the product. Another method is to hold the tray firmly with one hand and use a tissue in the other hand to wipe the excess.
6. Use the tray for the prescribed time. While the gels are almost universally made with Carbamide Peroxide or Hydrogen Peroxide, and the general strength falls anywhere between 10% and 22%, there are nonetheless differing application times. Most effectiveness is lost after the first two hours, so typical usage is for two to three hours per day.
   • Use the gel for 30–60 minutes the first time. Duration can be increased if there is no sensitivity.
   • Hydrogen Peroxide gels are normally used 30–60 minutes per session, once or twice per day.
   • Carbamide Peroxide bleaching gels are generally broken down into two larger groups of strength:
     • 10%-16% – used for longer periods, two to four hours split into two sessions per day
     • 20%-22% – used for 30–60 minutes once or twice per day

Cleaning Up After Treatment

1. Remove the tray and clean your mouth. After removing the tray, there may be some gel residue on your teeth, gums, or elsewhere in your mouth. It’s recommended you rinse, brush, and floss to remove the remaining gel, then continue on with your typical hygiene routine.
   • Apply a desensitizing gel if there is pain.
   • If you do not have a desensitizing gel, try fluoride gel or a desensitizing toothpaste for five minutes.
2. Clean and store the tray. Using warm water and a toothbrush, gently scrub the tray. Some even recommend using cold water, since water that is too hot could damage the integrity of the tray. If you’d like to have a smoother coverage, substituting a Q-tip for the toothbrush is also a great way to clean out leftover gel.
   • After cleaning, put the tray in its tray holder and store in a cool, dry location out of the sunlight.
3. Refrigerate the gel. Depending on the brand, the shelf-life of some gels can be greatly improved with refrigeration. It’s recommend to follow the guidance and instructions in the package, but a gel that lasts for a year unrefrigerated may last up to two years in the refrigerator.

Troubleshooting Gel Effectiveness and Tooth Sensitivity

1. Look for whitening progress. Most gels take consistent usage in order to see results. Optimum results have been shown in 20–30 minute sessions for some products. The minimum time for real results is roughly two weeks, with minimal shade differentiation showing up after a few days. Maximum results should take at least two weeks, but some programs take as long as four weeks to show the best results.
   • Longer wear times can potentially create faster results, but also increase sensitivity possibility.
   • Results also depends also on your enamel structure, which may vary from person to person.
   • Using bleaching gel with higher concentration has the potential for quicker results.
   • Results are maximized in the first few hours, and typical expectations can be four or five shades over the course of treatment.
2. Ensure you’re not overloading the tray. If too much of the gel is squeezing out of the top of the tray, the excess is probably causing the sensitivity. Try to use a smaller amount of gel with each succeeding treatment until a balance of coverage and minimal oozing is found. The goal is to have complete frontal tooth coverage without gel waste.
3. Shorten the treatments. Depending on the treatment, it’s possible to use the whitening gel for multiple hours per day or while you sleep. While the gel loses most effectiveness during the first two hours or so, lessening the amount of time that gel is touching teeth could help with any pain.
   • If you are using the tray overnight, discontinue using the tray for such long periods.
   • Shorten the length of time using the tray. Some treatments call for over an hour of use. Try lessening the time by about 10 minutes per treatment, or to around 20 minutes.
4. Break up the treatments. Since the amount of time used is directly related to the effectiveness of the gel, you may want to continue the current length of time the tray is being used. If you’re experiencing sensitivity, however, you may try breaking the treatments up into smaller periods.
   • Take a two-hour treatment and divide it into two separate one-hour treatments.
   • A one-hour usage could easily be broken down into two 30-minute periods.
   • The obvious downside to breaking up treatments is the usage of more gel than normal, however, you may also be able to maintain the whitening effect for a longer period of time.
5. Suspend treatments and see your doctor. If you’re having major issues with sensitivity or pain, you probably need to suspend use of the gel. In general, you should probably take one or two courses of action.
   • Skip a few days. Or, skip a few weeks. Most sensitivity diminishes after the first few days, but some instances have been shown to take weeks to subside.
   • Seek professional advice. Only a dentist can truly determine the cause of specific tooth sensitivity. If you’ve discontinued use of the gel, and you’re still experiencing pain, there may be a larger issue requiring an x-ray and/or dental work.
6. Discontinue or minimize counteractive products. While the gel tray is in your mouth, ensure you do not eat, drink, or smoke. Similarly, refrain from eating citrus fruit just after get application. Improve your results by minimizing coffee, tobacco, sodas, sports drinks, wine, and tomatoes in your daily diet.
   • Drink with a straw. This helps staining fluids bypass the teeth.

Tips

• Once you buy a teeth whitening kit you do not need to buy another. You just top up on your gel as you have everything else you need.
• If you want to have a long-term whitening result, it is better to do more frequent but shorter sessions of a low hydrogen peroxide percentage, compared to long sessions of highly concentrated solutions of whitening gel.

Warnings

• Silver fillings may take on a green shade after significant bleaching. If possible, have them changed before whitening.
• Do not swallow the gel.
• Using a bleaching product when you have dental work may cause the need to redo dental work to match the new shade of your teeth.

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Sources and Citations

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