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Expert Article: Say Goodbye To Yellow Teeth With Teeth Whitening
Whiter teeth have been the most coveted beauty hack since the prehistoric era. Teeth whitening, or the bleaching of discoloured teeth, is the second most popular dental service after tooth extraction worldwide.
Why Are My Teeth Discoloured?
External causes
1. Food and beverages -
- Coffee/tea
- Aerated drinks
2. Habits -
- Cigarettes, cigars, and bidis
- Paan/tobacco chewing
3. Mouthwash -
- Chlorhexidine (taken without a prescription)
4. High amounts of metal ions in drinking water -
- Copper salts
- Iron salts
- Iodine
- Nickle
5. Fluorosis -
- High fluorine content in the
- Drinking water can cause visible white spots and lines on the teeth
6. Poor oral hygiene-
- Bad brushing and rinsing habits cause deposits and tartar on the teeth and gums over time.
7. Tooth wear and tear
8. Tooth decay
9. Old fillings and metal caps
10. Trauma
Internal Causes
1. Drugs/medicines/mouthwash ( taken without the supervision of a physician) -
- Tetracycline
- Ciprofloxacin
- Metronidazole
- Chlorhexidine rinse
2. Inherited causes -
- Thin enamel or enamel formation defects
- Thick dentin
3. Hereditary/Genetics
Teeth Whitening Methods
'Whiten teeth' at the dental clinic:
Teeth whitening can be done in-office by a cosmetic dentist or at home under the supervision of one.
Teeth bleaching (in-office):
1. Internal bleaching: A brownish-yellow root canal done tooth can be whitened by placing a bleaching agent ( like a filling ) in the tooth cavity.
2. External bleaching: a 45-60 minute procedure performed by a dentist in a couple of appointments. A concentrated peroxide-based bleaching gel is placed on the teeth in multiple short intervals till the desired shade is achieved.
Teeth bleaching( at-home):
3. Custom tray bleaching: This is a good option with minimal dental visits. A custom-made tray or mould is made for the patient, and the bleaching kit is provided. The material is loaded onto the tray as prescribed for a period of a few weeks.
'Whiten teeth' at home
A few DIY methods to whiten mildly discoloured teeth:
- Whitening toothpaste
- OTC (over the counter) strips and gels
- Whitening mouthwash
Natural teeth whitening agents:
- Limonene-commonly found in citrus foods
- Bromelain as seen in papaya
- Papain-in papaya
- Banana peel rubbing
- Strawberry juice
A word of caution!
DIY whiteners and natural ingredients can be highly abrasive when used inadvertently. The gradual disappearance of the stains can cause underlying wear and tear of the tooth as well.
- What is laser bleaching?
A method of whitening a few teeth at a time by focussing a laser device on them, that activates the bleaching gel.
- What is zoom whitening?
A method of whitening all your teeth at once by focusing a lamp (Zoom Light) on them, which activates the applied bleaching gel.
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