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Why do Teeth Stain?

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Julia G
Why do Teeth Stain?

White teeth can turn into a lesser white version of themselves over time, but why exactly? Tooth discolouration can happen to anyone and is the result of staining above and below the surface of the tooth.

There are intrinsic reason and extrinsic ones. 

Intrinsic reasons: 

Intrinsic teeth staining occurs below the surface of the tooth (dentin) and can be caused by a number of factors including food and drink, overexposure to fluoride during early childhood, trauma, medication, and smoking.

Extrinsic reasons:

Extrinsic teeth staining occurs on the outer layer of the teeth. It is caused by particular foods and drinks, and smoking. This type of stain can typically be removed with good oral health and hygiene, including regular brushing, flossing and teeth whitening toothpaste.

A third reason: age

Age-related teeth staining is a combination of extrinsic and intrinsic factors and is inevitable with age. Over time, your enamel begins to weaken causing your dentin, which is darker naturally, to appear. If you have sustained any sort of trauma such as chips, cracks or other oral injuries that have damaged the nerve can contribute to teeth discolouration.

How to prevent tooth discolouration? 

A good oral hygiene is key as well as avoiding drinks and food such as:
- deeply coloured sauces & fruits & juices
- sugary and acidic drinks that will erode your enamel

More info on how to prevent your teeth from staining and teeth whitening in Perth here: https://www.tandaradental.com.au/what-causes-your-teeth-to-stain-and-the-foods-to-avoid/

 

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