Sugary Drinks: What’s the Hidden Price of Sweet Hydration?

Sugary drinks - sugar cubes in a glass of coke

When the mercury is heading north you may be dreaming of heady days on the beach or lounging in the sun, but its important to remember that the high temperatures bring with them the risk of dehydration.

Keeping hydrated is important; your body needs more liquids in hot weather, so drinking to stay cool and healthy is critical to your wellbeing. However, not all beverages are made equal when it is a question of hydration, or dental health.

When it comes to maintaining your family’s oral health, you know how important it is to avoid certain foods and to brush correctly and floss, but are you as mindful about the drinks they consume?

Sugar is hidden in all kinds of drinks, such as fruit juices and soft drinks, but it can cause serious dental and general health problems; yet they remain the go-to beverages for adults and children alike.

Here are some common alternative names for sugar found on ingredients labels to keep an eye out for:

Sucrose
Fructose
Glucose
Corn syrup
Molasses

Be aware of the sugar-free, zero-calorie and diet varieties of drinks, too. They typically contain artificial sweeteners that are high in acid that contributes to tooth erosion.

Why are sugary drinks so bad?

Consuming excessive sugar goes hand in hand with the consumption of excessive calories. This means that if you regularly drink sugary drinks you are more likely to gain weight and be at greater risk of developing serious medical conditions such as:

Type 2 diabetes
Heart disease
Kidney disease
Non-alcoholic fatty liver disease

Picture this: one can of sugary drink a day can lead to a 6.5kg weight increase in one year. (Source: New Zealand Dental Association).

What do sugary drinks do to teeth?

As well as being inefficient at rehydrating you in hot weather (they use your body’s water to metabolise the refined sugar, which triggers more thirst), sugary drinks deposit a film of sugar on your teeth.

The bacteria that is naturally present in your mouth feeds off the sugars and produces acid. The acid dissolves the enamel on your teeth increasing the likelihood of cavities. You are also more susceptible to gum disease and sensitive or painful teeth as the inner layers of the teeth become exposed.

Drinking the wrong beverages can slow down or even reverse the effects of your dental care routine.

How to avoid damaging your teeth

In the ideal world you would avoid drinking sugary drinks (and this includes alcohol which is highly acidic); however, if you are going to drink sugary drinks, the following tips can help to reduce the damage:

• Read the label and check the ingredients!

• Use a straw so that your teeth are less exposed to the sugar.

• Do not sip the drink over a long period. The damaging reaction lasts for around 20 minutes, so every sip starts the process again.

• Drink a glass of water after you have finished the sugary drink. This dilutes and flushes the acid that has been produced.

• Use water to dilute natural fruit juices to reduce the amount of sugars being consumed. Fruit juices contain no fibre, so its best to eat your fruit to gain the vitamins.

• Brush your teeth after you have finished the drink. Use a toothpaste and mouthwash that contain fluoride to strengthen the enamel.

Duxton Dental have treated clients in our dental clinics in Christchurch since 1996. In that time, our Riccarton dentists have noticed a significant increase in dental treatment that can be attributed to the rise in popularity of sugary drinks. The best way to stay hydrated and keep your oral hygiene pristine is to drink water. If you have any concerns about how to keep your smile healthy, contact us today.

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Straight talk: how Invisalign aligns more than just your teeth

By Briar Crammock-Sands • March 30, 2025

Tired of your crooked teeth? Desperate to be able to smile with confidence? When it comes to straightening your teeth, the first thing that usually comes to mind is the aesthetic impact of cosmetic dental treatment . And with good reason: orthodontic braces can transform even the most challenging set of teeth into a Hollywood-worthy smile. With dental care innovations skyrocketing over the past decade, Invisalign is the comparatively new kid on the orthodontic block – delivering the same results as traditional braces but with near invisibility, supreme convenience and incomparable comfort. But Invisalign offers much more than just a cosmetic dentistry upgrade and welcome boost to your self-esteem and confidence. As one of the leading options for teeth alignment, Invisalign transforms not only the appearance of your teeth but also improves your overall dental health. Whether you’re looking for a discreet solution for teeth straightening or seeking better dental care, Invisalign treatment provides several benefits that go beyond aesthetics. At Duxton Dental clinic in Christchurch, quality Invisalign treatment is tailored to your individual and unique needs to give you that perfect smile but also the health benefits of Invisalign: Improved oral hygiene and health A major benefit of Invisalign treatment is its ability to enhance your oral hygiene routine. The wires and brackets of traditional orthodontic braces can make brushing and flossing a challenging task, which can result in poor oral hygiene during the teeth straightening process. However, with Invisalign, the removable aligners allow you to brush and floss your teeth without any obstructions. During the Invisalign process, you’ll notice how straighter teeth make it easier to clean your entire mouth thoroughly. This ease of cleaning maintains overall dental health by ensuring plaque and food particles don’t get trapped around teeth, decreasing the risk of cavities and gum disease and promoting healthier gums and teeth.