Human teeth are quite strong, but they aren’t invincible. With so many popular drinks being acidic, it’s hard to avoid this ubiquitous threat. Today, we’re going to teach you all about the classification of acidity, common acidic drinks, and the dangers of drinking them — as well as some ways to minimize their impact.

The pH Scale

Before you can ponder how acidic a certain beverage is, you need to have a good grasp on the ranking system known as the pH scale.

The neutral baseline for the pH scale lies at seven. A pH level greater than seven means that a solution is alkaline while a pH level below seven means that a solution is acidic — with zero and 14 being the bookends to the scale.

COMMON ACIDIC BEVERAGES

For a beverage to be considered acidic, it must have a pH level of 4.6 or lower. Here are a few common beverages that can be classified as acidic:

Tomato Juice

Starting off with the least acidic beverage on our list. Even the most acidic brew of tomato juice won’t go lower than 4.30 on the pH scale. In fact, some varieties are even above the 4.6 pH threshold needed to classify a beverage as acidic.

Bear in mind that a Bloody Mary may be slightly more acidic due to the fact that vodka has a pH level of four — which is still less acidic than the 3.0 pH level of beer.

Orange Juice

While one could be forgiven for thinking that orange juice would be far more acidic, it is actually the second least-acidic beverage in this article — next to tomato juice.

Just because orange juice is high in citrus that doesn’t mean it’s automatically more acidic. The most acidic blend of orange juice wouldn’t even go below 3.69 on the pH scale.

Apple Juice

In what might be the upset of the century, it turns out that apple juice is generally more acidic than orange juice. While the deceptive sweetness of apple juice may suggest the contrary, the pH level of apple juice can actually go as low as 3.30.

Pineapple Juice

While the previous beverage might have surprised you, the taste-buds can certainly be trusted when it comes to ranking pineapple juice. Pineapple juice is slightly more acidic than apple juice with a pH level of 3.20.

Grape Juice

The pH level of grape juice lies at 2.90 — making it more acidic than most red wines that have a pH range of 3.5 to four and above depending on the variety.

Lemonade

Shocking no one, lemonade takes the acidity belt with a pH level of two — putting it only one rank above gastric acid.

Coca-Cola

While this list has focused primarily on fruit-based beverages, we couldn’t in good conscience leave this iconic soda out of the list. With a pH level of 2.52, Coca-Cola is only slightly less acidic than lemonade.

Even if you ignore the acidity, this popular soda still has over nine teaspoons of sugar in each can which isn’t exactly ideal if you’re aiming for good health.

 

scale of acidity in common beverages for tooth decay

DANGERS OF ACIDIC BEVERAGES ON TEETH

Enamel Erosion

One of the first oral health problems that you’ll notice after drinking too many acidic drinks is the erosion of your enamel. Enamel is the hard outer layer of your teeth — and one of the few bodily components that can’t grow back.

Dentin Exposure

As the acidic drinks erode your enamel, the sensitive dentin that lies beneath is exposed. This is why your teeth appear more and more yellow as you continue to drink acidic beverages.

Sensitive Teeth

Beyond looking awful, exposed dentin also makes your teeth more sensitive to certain stimuli. This includes heat, cold, spiciness, sweetness, and in the pinnacle of irony, even acidic drinks.

Increased Cavity Formation

High consumption of acidic drinks over long periods of time could lead to more cavities forming as the enamel thins.

EXTREME RISKS FROM ACIDIC BEVERAGES

These risks, while uncommon, are very real:

Abscess

A tooth abscess is a pocket of pus that forms due to a bacterial infection. Teeth with eroded enamel are more susceptible to the formation of such abscesses since their shield is effectively thinned by the acidic beverages.

Tooth Loss

In the most unfortunate cases, some patients have lost teeth due to excessive consumption of acidic drinks.

Red Flags

Beyond the issues we mentioned above, here are a few other warning signs that you may be suffering from enamel erosion.

Rounded Teeth

If you notice that your teeth have a rounded look, this may be an indication of enamel erosion. Some have also described the shape as sand-blasted.

Transparent Edges

If your teeth are transparent around the edges then your enamel is likely thinning around that area.

Cracks

Cracks on the edges of your teeth are another indicator of enamel erosion. As the enamel in your teeth thins, it becomes more susceptible to cracking. Roughness at the edges could also be a precursor to cracking.

Dents

The chewing surface of your teeth may start to develop small dents. This is due to the fact tiny bits of enamel will chip away if it becomes too thin. This has also been referred to as cupping by some dentists.

WHAT TO DO ABOUT IT

While you might not be ready to quit cold turkey, there are a few compromises and good practices that can help you minimize the negative impact that acidic drinks have on your oral health.

Drink Healthier Beverages

Rather than going for the chilled soda can with every meal, you might want to try out some healthier alternatives every now and again.

Milk is a good thirst-quencher that strengthens enamel rather than eroding it. Drinking the black counterparts of coffee and tea could also reduce the rate of enamel erosion.

Consume with Food

Drinking your acidic beverages with food rather than à la carte will reduce the impact it has on your enamel.

Rinse-brush

If you had an acidic beverage with your meal, rinse your mouth out with water as soon as you’re done. After half an hour, brush thoroughly to remove any acidic residue.

It’s important that you wait half an hour — or even a full hour — before brushing to ensure that your enamel has already re-hardened and that your saliva is done washing away any acids.

Use a Straw

Perhaps the most ingenious solution, using a straw when drinking acidic beverages will minimize contact between the erosive liquid and your teeth. The quicker you finish the drink, the better — and avoid gargling.

Pair with Dairy

Dairy products like milk and cheese are high in calcium and can help neutralize some of the acids left by your erosive beverage of choice.

Dental Appointments

Regular dental appointments can provide the protection your teeth need to endure the acidic torture that you put them through. Furthermore, visiting your dentist frequently will help them spot any issues early on and nip the problem at the bud.

Preventive Dentistry

The best cure is avoidance. Learn more about preventive dentistry by reading our in-depth blog post on the subject.

WHAT ABOUT SODA WATER?

Many think that soda water is a healthy alternative to beverages like Coca-Cola or Pepsi. In reality, any beverage that is carbonated will be acidic. This includes LaCroix, San Pellegrino, Red Bull, Perrier, and even soda water. If it bubbles or fizzes then it’s harmful to your teeth.

 

Contact Lincoln Park Smiles

Want to see how your enamel is holding up against the deliciously acidic drinks that society has conjured? Give the dentists at Lincoln Park Smiles a call at (312) 236-9325! We even have a 24/7 emergency service for any urgent dental problems.

Remember, healthy teeth make for a happier smile!

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