Teeth Whitening FAQ

Frequently Asked Questions

Teeth whitening can benefit adults of all ages. However, whitening gel will not lighten dental restorations. Therefore, if you have crowns or bridges that show when you smile, whitening may not be the optimal treatment for you. Additionally, if your gums have gotten more sensitive with age, you may not be a good candidate for whitening. Your dentist will help you discover whether this is the right procedure for your needs.
Responsible teens who have their permanent teeth can receive teeth whitening with their dentist’s approval. Most dentists recommend that adolescents wait until their late teens before receiving the treatment. The exception to this is KöR® Whitening Deep Bleaching™. Younger teens around age 14 or so are often the best candidates for this treatment, since their teeth are able to absorb oxygen more effectively.
Both in-office and at-home professional whitening can be great options. There is no “right” or “wrong” choice when it comes to dentist-provided treatment. In general, in-office whitening may be a better choice if you are looking for the fastest and most dramatic results possible. If you already have some dental sensitivity, you are likely to be a better candidate for office care. At-home treatment may be the optimal choice if you are on a budget or you want to whiten your teeth in the convenience of your own home. Your dentist will provide a thorough consultation and help you choose the right treatment for your budget, lifestyle, and dental health.
Your dentist will use a color chart to plan your treatment and help you achieve the amount of whitening you desire.
Results are different for each patient, although you will eventually experience some re-staining. Depending on your dental health and diet, your results could last up to a year. However, if you are naturally predisposed to dental stains, or if you routinely consume stain-producing food and drink, you may benefit from touch-up treatments every few months. KöR® Whitening Deep Bleaching™ is the only method of teeth whitening that can yield permanent results.
Despite what you may have heard, you should never rinse your mouth with peroxide! Doing so will cause serious damage for your teeth and oral tissues. It will also do little to improve the color of your smile.
Yes, your teeth will be more sensitive to stain-causing foods and drinks for the first few days after your treatment. Teeth whitening dehydrates your teeth for 24 to 48 hours, making them more porous. If you must consume coffee, tea, or wine, it is best to do so through a straw.
Although restorative materials are not typically susceptible to stains, smoking and other factors can cause discoloration. Unfortunately, whitening treatment will not remove these stains. Your dentist may be able to eliminate discoloration by buffing the restorations with a non-abrasive cleaning solution. To correct severe discoloration, your dentist may recommend an entirely new restoration.

Cary Prosthodontics

Cary Prosthodontics was founded in 1991 to provide the finest care to residents of Cary, Raleigh, Apex, Holly Springs, Fuquay-Varina, Morrisville, and surrounding areas. Our compassionate and caring prosthodontists are members of a number of professional associations, including:
  • American College of Prosthodontics (ACP)
  • Academy of Osseointegration (AO)
  • International Team for Implantology (ITI)
For more information about our services, contact our practice online or call (919) 858-8193 to speak to a member of our team today.

Visit Our Top-Rated Office

Are you looking for a dental practice you can trust to provide high-quality care? Our office is regularly rated five stars for the professional and friendly care we provide to our patients. To meet with one of our dentists and start your dental crown process, fill out our online form to request your consultation. You can also contact us by calling our office, serving Cary and Raleigh, NC, at: 

The Proof is in Our patients

Linda D.
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Staff is professional but caring, more so than other medical offices I’ve been to. When you walk in they actually greet you by name. They remember details of your previous visits, which speaks to a great office staff. And Dr. Lim does his best to see that you have a good outcome. Thanks to all!
Joyce Th.
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Was treated with so much respect from the Dr. and staff. I’m a very nervous person when it comes to having dental work done I can’t help it, but they made feel so comfortable so easy to explain to let them know why I was there. I couldn’t wait to tell my family and friends. Thanks
Jennifer Y.
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Yet again, an EXCELLENT visit with Dr Koffard. The staff are so thoughtful and welcoming, professional and knowledgeable and I really appreciate the lightness of the spirit in the entire office; not to mention Dr Koffards’ effervescent nature. Thank you again for taking such good care of me. Oh! And congratulations on the new, roomy office space! It’s beautiful!
Megan F.
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My doctor and the nurse were absolutely amazing . i have bad anxiety when it comes to mouth operations and they walked me through every step, everything was super quick and easy. I wish there was another way to thank the ladies who worked on me bc i have never been so comfortable.
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