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Can Teeth Be Whitened If Enamel Is Damaged?

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A dental professional shows a patient an image of their teeth during a dental examination for teeth whitening and damaged enamel.

You look at photos from a recent family event and notice that your teeth look a bit dull. You want a whiter smile, but you’re worried about how treatment might feel on your sensitive teeth. 

Many people notice their teeth changing colour over time. Tooth bleach treatments can brighten your smile even when you have damaged enamel. The key is to use gentle products and get guidance from our team at Upper Gage Dental Centre.

The Basics of a Brighter Smile

How Whitening Agents Work

Stains stick to your teeth after years of enjoying your favourite foods. The chemical agents in whitening products are designed to break down these dark spots and give you lighter, whiter teeth.  A professional team can help you pick the right strength of whitening agent for your smile.

Limits On Artificial Teeth

You might have some dental work mixed in with your natural teeth. Whitening treatments only alter the colour of your natural tooth structure. Materials like porcelain or resin don’t react to the active ingredients.

This means that your crowns stay the same shade they were on the day they were placed. Dental veneers also keep their original colour regardless of the treatment. 

Everyday Causes of Tooth Stains

Diet & Beverages

The foods and drinks that you consume are the primary causes of tooth discolouration. Dark-coloured foods like berries and soy sauce contain strong pigments that stick to your teeth. Similarly, your morning cup of coffee and evening dark teas gradually darken your smile over time.

Carbonated sodas and sports drinks also alter your tooth colour. The acid in these drinks softens the outer layer of your teeth, making it easier for discolouration to develop.

Age & Lifestyle Factors

Your teeth naturally shift to a yellower shade as the years go by. This is because general wear from chewing thins out the white outer layer, exposing the yellower tissue beneath the surface.

Certain habits speed up this colour change. For instance, tobacco use creates deep stains that regular brushing can’t easily wash away. A professional team can help you address these stubborn marks safely and explain how you can make whitening last.

How Damaged Enamel Affects Treatment

Signs of Enamel Wear

If your tooth enamel is thin, you’re likely to become sensitive to hot and cold foods. Common signs of thin enamel include:

  • You feel sharp twinges from cold drinks
  • Your teeth look slightly clear near the edges
  • Your smile appears more yellow than before

Temporary Sensitivity Concerns

If your enamel is worn, whitening treatments can irritate your teeth. This is because the ingredients that cause whitening enter the tiny pores in your teeth to clear out stains. This stimulates the nerves inside your tooth and creates a temporary sensation of tooth sensitivity.

You might also notice some slight gum irritation after a treatment. This mild discomfort usually fades away quickly on its own. Your dental team will help you choose safe options to keep sensitivity to a minimum.

Professional Treatments & At Home Kits

In Office Procedures

Smiling adult with bright, healthy teeth sitting in a dental chair at the clinic next to a dental professional.

You can brighten your smile effectively with professional teeth whitening. This process involves a professional grade whitening agent applied directly to your teeth. Your dental team will monitor the process to protect your gums and sensitive areas.

In some cases, your team will fit you with custom trays to deliver the whitening agent to your teeth. In other cases, they may use pastes that are brushed right onto your teeth in order to target specific stains.

Over-the-Counter Products

You can find many brightening options at your local pharmacy that have been evaluated for safety and effectiveness. Store kits offer gentle stain removal for mild discolouration. These products use lower amounts of active ingredients than professional options.

Surface brighteners like toothpastes help clear away fresh food marks. They scrub the outside of the tooth but don’t change the underlying colour.

Care Tips from Your Dentist in Hamilton

Your daily habits, like regular brushing and flossing, play a big role in keeping your smile bright. You can maintain your whitening results longer with a few simple adjustments to your diet, including knowing which foods to avoid. We recommend the following:

  • Limit dark foods to one or two portions weekly
  • Drink dark liquids through a straw to protect your front teeth
  • Rinse your mouth with plain water after a cup of coffee

At Upper Gage Dental Centre, we offer reliable dental care for families and individuals. Our tightly knit team is here to guide you with compassion. Reach out to us today to request an appointment and discuss your bright new smile.

Written by Dr. Matthew Rydant

Dr. Matthew Rydant graduated from the University of Detroit Mercy School of Dentistry in 2006. That same year, he entered into private practice at Upper Gage Dental Centre.

Dr. Rydant is a general dentist who enjoys all aspects of dentistry, particularly cosmetic, family, and pediatric dentistry. If he had to choose a favourite treatment, he’d pick endodontics, more commonly known as root canals. He thrives on providing quality care in a trusting environment.

Dr. Rydant and Dr. Judith Kivinen are married with 3 children: Hazel, Noam, and Jemma. When he’s not working, you may find him on the local golf course or indulging in some delectable food.

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