Insecurity about one’s oral health is common, particularly when it comes to tooth discolouration as it can be both ...

Old fillings: Certain metal fillings, like silver amalgam, can degrade over time, leading to a darkening of the tooth. Medication: Antibiotics such as tetracycline can cause tooth staining ...

Tetracycline antibiotics are widely used for ... lifelong caramel discoloration of the teeth, and, more rarely, lethal ...