How does teeth whitening gel work?
What gel products are the best for teeth whitening?
Hydrogen peroxide V’s carbamide peroxide
Hydrogen peroxide and carbamide peroxide are both commonly used active ingredients in teeth whitening products.
Hydrogen peroxide (H2O2) is a strong oxidizing agent that releases oxygen to whiten teeth. It works by breaking down organic compounds that cause discoloration, which can penetrate deep into the enamel and dentin.
Carbamide peroxide (C6H10O5) is a compound that contains hydrogen peroxide and urea. When carbamide peroxide is applied to the teeth, it breaks down into hydrogen peroxide and urea, releasing oxygen that whitens the teeth.
In terms of effectiveness, hydrogen peroxide is considered to be faster-acting compared to carbamide peroxide, as it releases oxygen more quickly. However, carbamide peroxide is more stable and has a longer shelf life than hydrogen peroxide, which can make it a more popular choice for at-home whitening products.
For in-chair teeth whitening, hydrogen peroxide is the more popular choice, as it is faster-acting and can produce noticeable results in a single session. However, the concentration of hydrogen peroxide used in in-chair whitening treatments is higher than what is found in over-the-counter products, so it’s important to follow the instructions provided by a professional supplier and to talk to your dentist before undergoing in-chair whitening treatment.
What is the difference in strength between 6% Hydrogen peroxide and 18% carbamide peroxide?
A 6% hydrogen peroxide solution is equivalent in strength to a 18% carbamide peroxide solution. The concentration of hydrogen peroxide released from carbamide peroxide can be determined by converting the carbamide peroxide concentration into an equivalent hydrogen peroxide concentration using a simple formula. A common conversion rate is 1 part carbamide peroxide equaling 3 parts hydrogen peroxide.
Therefore, 18% carbamide peroxide is equivalent to 6% hydrogen peroxide in terms of strength. The concentration of hydrogen peroxide or carbamide peroxide in a product will determine the strength of the product, and both active ingredients can be effective in whitening teeth when used as directed.
It’s important to note that higher concentrations of hydrogen peroxide or carbamide peroxide may not necessarily lead to better results, and can also increase the risk of tooth sensitivity or other adverse effects. It’s recommended to talk to a professional supplier before using any whitening products to ensure safe and effective use.
How to store peroxide teeth whitening gel
To ensure the best storage for peroxide teeth whitening gel, it is recommended to follow these guidelines:
Temperature: Store the whitening gel in a cool, dry place, away from direct sunlight and heat sources. Extreme temperatures can cause the active ingredients, such as hydrogen peroxide or carbamide peroxide, to break down and become less effective.
Expiry date: Check the expiry date of the whitening gel and do not use it past this date. Over time, the active ingredients can break down, making the gel less effective.
Storage conditions: Keep the whitening gel in its original packaging and make sure it is tightly sealed when not in use. This will help to prevent the gel from drying out and losing its effectiveness.
It’s important to follow the manufacturer’s instructions for storing and using the whitening gel, as some products may have specific requirements or recommendations. If you have any concerns or questions about storing the whitening gel, it’s best to talk to a professional supplier.
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