As the saying goes, “one white covers all ugliness”, although it mainly refers to the white skin, it seems that this sentence also holds for teeth. Many stars show white and neat teeth when they smile, which is especially beautiful.
At the same time, there are also some [secret recipes] circulating among the people that can whiten teeth. Let’s see if these methods really work or are just erroneous.
Containing vinegar or lemon juice
It doesn’t work, it’s harmful!
Perhaps someone was inspired by [white vinegar can remove scale] and felt that white vinegar is acidic and can dissolve scale, so it should be able to remove [tartar]. Anyway, the composition is similar.
Indeed, very sour vinegar or lemon juice can remove tartar. However, this is a method of [killing 100 enemies and damaging 1,000 oneself]!
The enamel layer, the outermost layer of teeth, is the hardest structure of the human body. It is characterized by pressure resistance and wear resistance, but it is the least acid resistant. Long-term immersion in vinegar will cause serious injuries to teeth, and these injuries are irreversible.
In many vinegar-making or chemical acid-making plants, workers’ teeth will slowly turn yellow and black due to acid mist erosion, and their texture will also become very poor.
Vinegar or lemon juice will not only not whiten teeth, but also cause great damage to teeth.