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Difference Between Professional Teeth Whitening & Home Teeth Whitening Kit

Nov 13, 2022

When it comes to teeth whitening, the market is flooded with options. You can find whitening products at your local drugstore, and of course at your dentist’s office.
So, what’s the difference between professional teeth whitening and home teeth whitening?
Let’s take a closer look.



Cost is one of the significant differences between professional teeth whitening and store-bought options.

Professional teeth whitening is usually done by a dentist, who has access to more powerful bleaching agents. As a result, the treatment is usually more expensive. However, it is also more effective as it can be completed in fewer sessions.

On the flip side, a store-bought whitening kit may be the best option for those looking for a more affordable solution that can be done on your own schedule.  Home teeth whitening kits are much less expensive, but they require regular applications over several weeks to achieve noticeable results.


Side Effects

Although all whitening products can make teeth more sensitive during the treatment period, store-bought options can be milder than those used by dental professionals.
This is due to their decreased strength, which may make them a better choice for patients who already have sensitive teeth. On the flip side, although professional whitening products are stronger, many have added desensitizing agents to help reduce the sensitivity of the stronger whitening product.

It’s normal to feel some sensitivity after whitening your teeth, but it will go away quickly within 1 to 2 days.

During the treatment period, you may want to avoid hot or cold foods and drinks, which can trigger sensitivity. You can also use toothpaste designed for sensitive teeth while you brush.

Overall, with proper dental care, the side effects of teeth whitening are manageable. Your dentist will be able to monitor your teeth during the procedure.



Like most things in life, you get what you pay for with teeth whitening.

Professional teeth whitening kits are generally more convenient and effective than store-bought options, as the product is stronger. This means fewer applications before you reach the bright and white smile you desire.


Longevity and Results

The longevity of whitening products is generally comparable. Whitening results are typically expected to last for 6 to 12 months but vary depending on lifestyle habits. Regular consumption of certain foods, such as coffee, tea, or red wine, or smoking can decrease the longevity of whitening results.

If you want your at-home teeth whitening products and dental procedures to last, it is important to have good oral habits and keep your teeth clean. This will reduce stains over time and make the treatments more effective.

For most people, 2 to 3 touch-up sessions with a professional whitening product can be done every 6 months to maintain your smile.


Final Verdict

The teeth whitening process can be done in the comfort of your own home with a store-bought and professionally provide teeth whitening kit. Both options have their pros and cons, but when it comes down to it, using a professional teeth whitening product is the best way to go.

Professional teeth whitening is more expensive initially, but the results are worth it. Store-bought whitening kits can be costly in the long run and often don’t produce as good results as professional whitening due to compliance. In addition, home kits can be dangerous depending on the quality of the whitening material. Dentists have access to safe and effective whitening products, so you can be sure that you’re getting the most out of the treatment. Plus, if you have any problems or questions about the whitening process, your dentist is there to help.


In conclusion, professional teeth whitening is the best and safest way to achieve bright, white teeth.

Disclaimer: We currently do not offer in-office whitening at this time at Renew Dental. However, we do offer custom whitening trays to be used with take home professional whitening kits that you can’t buy in-store.

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