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Brushing removes plaque, and it cannot change the colour of the tooth itself. If your enamel is naturally thin, the yellower layer underneath shows through, however clean your teeth are. Stains from coffee, tea, chocolate and pop also build up over time and go deeper than a brush can reach. Professional whitening is what changes that deeper colour.
More about professional teeth whitening in Riverview.
Answered by the team at Bright White Dental Hygiene Clinic in Riverview, NB, serving Moncton and Dieppe.
Full transcript of the video answer on why your teeth are yellow even though you brush every day, given by Amber-Lee, IRDH, at Bright White Dental Hygiene Clinic in Riverview, NB, serving Moncton and Dieppe.
Question: Why Are My Teeth Yellow Even Though I Brush Every Day?
“Teeth can be yellow for multiple different reasons. If you just have a normally thin enamel, then you can see through. When it's very thin, you can see that yellow colour underneath. Another reason why they can be yellow over time is from stains like coffee, tea, chocolate, pop. Those types of stains can only be removed with professional whitening.”
Enamel is slightly see-through. The layer beneath it, dentin, is naturally yellower. Thick enamel hides it, and thin enamel lets it show. Part of this is simply how you were born, and enamel also wears thinner with age. That is why teeth that are perfectly healthy can still look yellow.
Dark foods and drinks leave colour on the tooth, and over the years it works its way inside. A light surface stain can often be polished off at a cleaning. Deeper stain is the kind Amber-Lee is talking about, and it takes a whitening gel that works inside the tooth.
Do not scrub harder or reach for abrasive pastes. They wear enamel down, which makes the yellow show through more. Yellow near the gums can also be tartar, which no toothpaste will remove but a cleaning will.
Start with a cleaning so you can see the true colour of your teeth. If you still want them lighter, Bright White offers in-chair whitening for $350 plus tax or custom take-home trays for $300 plus tax. Whitening takes teeth to their own natural white, and it does not change fillings or crowns.
If a single tooth has turned darker than the rest, have it looked at before you whiten. That can be a sign of a problem inside the tooth, and a dentist should see it.
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