Not all tooth discolouration is the same, and understanding the cause matters for choosing the right treatment. At Eastern Dental Group in Wantirna South, we assess where your staining is coming from before recommending whitening, veneers, or a combination of the two.
Call (03) 9887 0822Sits on the outer surface of the enamel and is caused by foods and drinks with strong pigments, coffee, tea, red wine, and berries, as well as smoking. This type of staining typically responds well to a professional clean and teeth whitening.
Originates from within the tooth itself, in the dentine or pulp, and can't be removed by cleaning or whitening alone. It's usually better addressed with veneers or bonding that cover or mask the discolouration.
Coffee, tea, red wine, and dark-coloured foods
Smoking and tobacco use
Natural ageing of the enamel and dentine
Certain medications taken during tooth development
Fluorosis from excess fluoride exposure in childhood
Trauma to a tooth, or previous root canal treatment
Whitening is usually the better starting point when discolouration is extrinsic, surface-level, or caused by diet and lifestyle, since it's less invasive and more cost-effective. It has limited or no effect, however, on tetracycline staining, fluorosis, grey discolouration from trauma or root canal treatment, or staining on existing crowns, veneers, or fillings.
Veneers tend to be the better option when discolouration is intrinsic and doesn't respond to whitening, or where it's accompanied by other cosmetic concerns like chips, gaps, or an uneven shape that whitening alone can't address. A single darkened tooth from trauma or a previous root canal can be one of the more challenging cases to treat, your dentist can talk you through whether internal whitening or a veneer or crown is the more appropriate approach for that specific tooth.
Visit our teeth whitening page for the full breakdown of in-chair and take-home options.
Visit our dental veneers page for pricing, process, and what veneers can address.
Discolouration falls into two categories. Extrinsic stains sit on the outer surface and come from foods and drinks like coffee, tea, and red wine, plus smoking. Intrinsic discolouration originates within the tooth from ageing, certain medications during tooth development, fluorosis, trauma, or root canal treatment.
Extrinsic staining sits on the enamel surface and typically responds well to a professional clean and whitening. Intrinsic staining originates within the tooth and can't be removed by cleaning or whitening alone, it's usually better addressed with veneers or bonding.
No. Whitening is effective for extrinsic stains and general yellowing, but has limited or no effect on tetracycline staining, fluorosis, grey discolouration from trauma or root canal treatment, or staining on crowns, veneers, or fillings, which don't respond to whitening agents.
Enamel gradually thins and becomes more translucent over time, letting more of the naturally yellow dentine underneath show through. The dentine itself can also darken slightly with age. Dietary habits like coffee, tea, and red wine can compound the effect.
Yes, though it's one of the more challenging types of discolouration to treat since it originates from within the tooth. Depending on the cause, options may include internal whitening or a veneer or crown to restore the natural appearance. Your dentist will assess the cause and recommend the most appropriate approach.
They can help manage light surface staining with regular use, but their effect is limited compared to professional treatment, and they can't change the intrinsic colour of a tooth. They're a reasonable maintenance tool after professional whitening, but not a primary treatment for noticeable discolouration.
Many common causes can be reduced with consistent habits, limiting staining foods and drinks, using a straw where practical, rinsing with water afterwards, quitting smoking, and keeping up thorough oral hygiene and regular professional cleans. Some causes, like ageing and genetics, can only be managed rather than prevented.
Veneers tend to be the better option when discolouration is intrinsic and doesn't respond to whitening, or when it's accompanied by other cosmetic concerns like chips, gaps, or an uneven shape. Whitening is usually the better starting point for extrinsic, surface-level staining, as it's less invasive and more cost-effective.
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