Why sweets cause pain in your teeth

Sometimes, when eating sweets, we feel pain in certain teeth. This is often a sign of tooth decay, pulpitis, or other damage. But why exactly do sweet foods have such an effect?

If sweets bring you not joy, but a toothache, this is always a reason to see a doctor. You may have pulpitis or caries, but there may be something less scary, for example, dentin hypersensitivity.


Teeth have a rather complex structure. Only in appearance it seems that these formations are like small stones that grind food. In fact, our teeth are riddled with many blood vessels and nerves that send electrical signals to the brain. All of them are hidden in the pulp – the center of the tooth, surrounded by dentin and enamel.


Dentin, unlike enamel, is rather porous and consists of many channels. When the enamel is damaged, substances from our mouth can reach the nerves through the dentinal canals and cause their activation, which makes us feel pain. The same thing happens when warm or hot fluid penetrates the nerves. Normally, this should not occur, because the dentin canals are closed with enamel.


But with deep caries or pulpitis, the integrity of the enamel is violated and irritating substances can penetrate through the porous dentin to the nerves. But such a reaction to stimuli can occur even in the absence of these pathologies. There is a condition called dentin hypersensitivity. In this condition, pain occurs under the influence of certain foods (most often sweet) or liquids with a high temperature. The unpleasant sensations begin abruptly and go away as quickly as they began.


Why does dentin hypersensitivity occur? There are several factors that contribute to the development of this condition. One of them is improper brushing of your teeth. The main mistakes that people make during this everyday ritual are a rare brush change (you need to renew it every 3-4 months) and its high rigidity (dentists recommend medium-hard brushes).


Hypersensitivity can also be caused by trauma to the teeth – chips or damage to the enamel. Dentists consider malnutrition to be an important factor in the development of this condition. For example, vitamin C is an important factor in the prevention of dentin hypersensitivity and is essential for overall oral health. [Source]

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