Soft‑Drink Alert: How to Protect Kids’ Smiles

Carbonated drinks have always been a favorite among kids. It’s easy to see why: they’re refreshing, sweet, and the perfect companion to a pizza with friends or a burger at a fast-food restaurant after a night at the movies.

The average Italian consumes over 52 litres of carbonated beverages per year, with a predominance among the younger segments of the population. Such widespread consumption makes it very clear how the damage caused by this type of drink can affect us all — but children and adolescents in particular.

The link between the consumption of carbonated beverages and damage to the overall health of the body has been well established for many years: they can in fact contribute to the development of chronic conditions such as diabetes and obesity.
However, their impact on oral health should not be overlooked.

But why are these drinks so harmful to our teeth, and why is the effect even more pronounced for young teeth?

First and foremost, these are products that contain very high levels of sugar. A can of cola, for example, contains more than 35 grams of sugar — the equivalent of seven sugar cubes. The bacteria responsible for tooth decay thrive on it, and the result of their metabolic processing of these substances is the production of acid, which attacks and weakens the teeth by corroding the enamel.

You might think that “light” or sugar-free versions of kids’ favorite drinks are safer – but that’s not the case. These beverages are naturally acidic even without sugar.. Over 90% of soft drinks have a pH below 4.0. When the oral pH drops below 4.0, acid begins to dissolve the tooth’s surface structure in an irreversible process called dental erosion.

The acid attack lasts for about 40 minutes after each sip – the time it takes for healthy saliva, rich in bicarbonate, to restore the mouth’s natural pH.

Since soft drinks are often consumed in large quantities (think of the giant cups sold at cinemas or fast-food restaurants), this exposure can last even longer, putting teeth at prolonged risk.

If this is dangerous for adults, it’s even more so for children and teens. Their enamel is not fully developed yet, making their teeth more susceptible to acid attacks. That’s why kids often have higher rates of cavities and dental erosion than adults.

The great news is that fizzy drinks are not a necessary part of a child’s diet. In fact, they can – and should – be eliminated entirely without any problem.

As is often the case, teaching good oral hygiene and healthy eating habits is the best way to keep a bright, healthy smile. How can we encourage kids to cut back on fizzy and sugary drinks?

We know that proper hydration is essential for overall health—but not all drinks are equal! Beverages containing caffeine, like cola and other popular soft drinks, can even have the opposite effect, accelerating dehydration. Another good reason to limit them!

The first rule for protecting children’s oral health is to keep fizzy drink consumption to a minimum, favoring water or age-appropriate herbal infusions to avoid sugars and acids that can damage enamel.

Sometimes it’s okay to make an exception – after all, making fizzy drinks completely off-limits can make them even more tempting!

If we allow a small treat, it’s best to limit it to one glass, ideally during meals, when saliva production is higher and can help protect teeth.

Using a straw can provide an unexpected benefit: it keeps the liquid away from the teeth, reducing contact with sugars and acids and lowering the risk of damage.

As always, reducing the time teeth are exposed to acidic and sugary beverages, and brushing immediately after consuming them, is the best practice. When this is not possible, we can teach our children to use natural bicarbonate-based sprays capable of immediately rebalancing oral pH — or, if these are not available either, to rinse the mouth thoroughly with water.

In this way the acids will be diluted and the water will help wash sugars away from the teeth, preventing the bacteria present from feasting on them. As soon as possible, however, it is always better to reach for a toothbrush and the sprays we have discussed, which perform a similar function in removing any sugary residues that may lead to the onset of cavities.

Since every sip of a carbonated beverage alters the oral environment for several minutes, it is advisable not to linger too long over the drink. In this way, the contact between the acidic substance and the teeth will not be prolonged, reducing the risk of dental erosion.

Finally, carbonated beverages should never be consumed just before going to sleep. During the night, saliva production naturally decreases and for many hours we do not brush our teeth: an acidic environment therefore develops within the oral cavity that is harmful to teeth and gums. If our children drink fizzy orange or cola before bedtime, the potential damage will be even more pronounced.