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Getting a cavity seems like delayed punishment for eating that special dessert every weekend or for the few days you forgot to floss. When you are doing everything right with minimal exception and a cavity is diagnosed, it is discouraging. Knowing how cavities form and what causes them is valuable in knowing how to prevent them. In this blog post, Drs. Sheena Allen, Mark Margolin, and Moein Sadrkhani will help you understand cavities!

A cavity is not a one-time event. It is actually a symptom of a disease called caries. Tooth decay is a result of an active infection and condition in the mouth. There are ingredients to this infection, which include bacteria, acid, your tooth, and a food source. The main bacterial culprit is S. Mutans. Bacteria live in a housing structure called biofilm. This offers them protection, food, and an ideal replicating environment.

Biofilm can be healthy if there is a balance of good bacteria. When you have caries, the numbers of “bad” bacteria increase and produce an environment where they thrive and therefore cause tooth decay. A main indicator of this is a pH measurement of your saliva.

Several factors can influence the biofilm pH. Foods and beverages all have different pH levels. The lower the number, the higher the acidity. Since acid promotes tooth decay, a beverage like soda will promote a cavity. Water, being neutral, is a good choice to promote healthy oral pH. Healthy eating can still cause cavities. Here is an example of a highly acidic, yet traditionally healthy meal:

Toast with store-bought strawberry jam, and a cup of cottage cheese topped with fresh cranberries.

Instead, here is a better choice, which involves mixing acidic healthy foods with alkaline (non-acidic) foods to reduce the overall pH:

Toast with almond butter, and Greek yogurt topped with fresh blueberries.

The first example will result in a very low pH in the mouth and even in the rest of the body. The second meal mixes highly acidic blueberries with an alkaline Greek yogurt. Dairy products from cows are highly acidic. Toast is acidic because of the yeast and almonds are alkaline.

A natural buffer is saliva. Whenever mouth breathing or medications compromise the saliva flow, the pH is going to drop and caries can go rampant. Getting a cavity is not just about the sweets or forgotten flossing sessions. It is about the pH levels and bacterial management.

For more helpful tips about how to avoid cavities, contact our Dallas office.

Is this a trick question? After all, you probably already know quite a lot about cavities:

• It all begins when bacteria-filled plaque sticks to teeth and starts to attack enamel. How?
• Because the bacteria in plaque use the sugars and other foods we eat to produce acids.
• These acids gradually weaken teeth by dissolving minerals which help make up our enamel (a process called demineralization).
• Over time, a hole, or cavity, develops in the tooth surface.
• Left untreated, bacterial decay can spread to the inside of the tooth, creating a more serious cavity.

Some cavities aren’t discovered until you visit our Dallas office, but sometimes there are clear signs that there’s a problem.

• You have tooth pain or sensitivity.
• Your tooth changes color in spots where the enamel has decayed.
• You might even notice enamel loss when a cavity is large enough.

So, if you have any of these symptoms, it’s a cavity, right? It might be—but it might not. Sometimes, because the symptoms are similar, what we suspect is a cavity is really enamel erosion.

The bacteria-created acids weaken enamel. But it’s not just bacteria that subject our teeth to acids—we do it ourselves with our choice of food and drink. Acidic foods are one of the leading causes of tooth erosion.

Our normal saliva pH level is around a 7, which is neutral. Any number lower is acidic; any number higher is alkaline. Acidic foods have a low pH (the pH of lemon juice, for example, measures between 2 and 3), and can reduce our normal, neutral pH level. When saliva pH levels drop to 5.5 or lower, tooth enamel starts to demineralize, just as it does when exposed to the acids from oral bacteria.

Regularly snacking on citrus and other acidic fruits, wine, fruit juices, flavored teas, sour candies, and other acidic foods can cause enamel erosion. Especially erosive are sports drinks, energy drinks, and colas, because they contain some combination of citric acid, phosphoric acid and/or carbonation.

The symptoms of tooth erosion and damaged enamel can be very similar to those caused by cavities:

• You suffer tooth pain or sensitivity
• Your teeth appear discolored, as the enamel thins to reveal the yellowish dentin underneath
• You notice missing enamel—your teeth become rounded or have little pits known as cupping

You call Drs. Sheena Allen, Mark Margolin, and Moein Sadrkhani right away if you suspect a cavity. Be just as proactive if you suspect erosion. Even though your symptoms may not have been caused by plaque and bacteria, acidic erosion from your diet leaves weakened enamel just as vulnerable to cavities and decay.

How to avoid erosion?

• Enjoy acidic foods sparingly, or as part of a meal. This helps your saliva pH stay in the neutral zone.
• Balance acidic foods with low-acid choices to help neutralize acids and restore a normal pH balance. (A good reason to pair wine or fruits with cheese.)
• Use a straw! This simple solution keeps erosive drinks from bathing your teeth in acids.
• Drink water instead of an acidic beverage, or drink it afterward to rinse your mouth. The pH of pure water? A perfect, neutral 7.
• And what about brushing right after eating or drinking something acidic? Ask Drs. Sheena Allen, Mark Margolin, and Moein Sadrkhani if you should rush for your brush. We may recommend waiting 30 minutes or so after an acidic treat to give teeth time to remineralize after acids weaken them. Otherwise, brushing might cause more wear and tear on your enamel.
• Finally, while foods are often the source of acid erosion, medical conditions can cause erosion as well. Talk to us about ways to minimize erosion while addressing your medical needs.

There’s no trick to it—watching your diet, brushing and flossing as recommended, using a fluoride toothpaste, and visiting Dallas Dental Arts for regular checkups will help prevent tooth erosion. We can restore eroded enamel with bonding, veneers, or crowns if the erosion is serious. Better still is to catch erosion before symptoms appear to keep your teeth their strongest for a lifetime of healthy, beautiful smiles.

When we think of sports and dental damage, we naturally think of hockey and football. But when it comes to the actual number of dental injuries suffered each year, vying for top seed is the game of basketball.

How is this possible? After all, football and hockey are categorized as “collision sports”! But along with the helmets, shin guards, and padding, these teams often require mouthguards—and this makes all the difference. Studies have shown that an increase in the number of players wearing mouthguards means a decrease in the number of oral traumas.

And while basketball isn’t considered a collision sport, it is a contact sport. Basketball is a combination of running, jumping, hard surfaces, and solid bodies. And elbows. We can’t forget elbows. So a broken or even a knocked out tooth isn’t, unfortunately, all that unusual when bodies in motion meet hard surfaces—or other players. But there are other dental dangers as well. Besides tooth injuries, oral injuries can involve:

• The ligaments and bone structures holding teeth in place
• Bones in the upper and lower jaw
• Delicate gum, tongue, and mouth tissue.

You need a solid defensive strategy to reduce the severity of oral injuries or to prevent them from happening altogether. The best play in your playbook? Wearing a mouthguard!

Choosing the right guard is key. There are three common options, and you can choose the model which works best for you:

• Stock guards, which are ready-made guards in pre-formed shapes and sizes. You can buy them over the counter in drug stores and sporting goods stores. Because these guards aren’t shaped to fit your teeth and mouth specifically, they can be less protective (and harder to speak around).
• “Boil-and-bite” guards can also be purchased, and can provide a closer fit. After warming the guard in hot water as directed, you place it in your mouth and bite down firmly to mold it to your teeth.
• Drs. Sheena Allen, Mark Margolin, and Moein Sadrkhani can make you a mouthguard which is designed and crafted specifically for your use. Because this guard is custom-fitted, it provides better protection for your teeth and mouth. Patients often find custom guards much more comfortable and more durable as well.

Mouthguards are most effective when you wear them on the court and care for them off the court. This means avoiding a few flagrant fouls.

• Dirty play

All those moist nooks and crannies inside your mouthguard are a perfect environment for bacteria, mold, and plaque buildup. You should clean your mouthguard carefully every time you wear it, and let it air dry before popping it back in the case. Ask Drs. Sheena Allen, Mark Margolin, and Moein Sadrkhani for advice on getting your guard and its case their cleanest.

• Failure to sub out in a timely fashion

Mouthguards don’t work if they’re damaged. If you notice any warping, breakage, or jagged or sharp edges, contact our Dallas office for a replacement. If a guard doesn’t fit you properly, it doesn’t protect you, and sharp edges can irritate or injure delicate mouth tissue.

• Unnecessary roughness

Your mouthguard protects you, so don’t forget to protect it! Keep your guard in its case when you’re not wearing it to save it from dirt, damage, and disappearance.

If you know your basketball, you know your guard game can make all the difference. Even though a mouthguard might not be mandatory on your team, that doesn’t mean it’s not essential. Remember that basketball is a contact sport, and protect yourself with a mouthguard whenever you play.

We all want our best and brightest smiles, and today there are many options we can explore at home to make those beautiful smiles a reality. Whether it’s healthy habits, a healthy diet, whitening toothpaste, or do-it-yourself home products, we have golden opportunities to achieve whiter teeth.

• Healthy Habits

Proper brushing is the first step in keeping your teeth stain-free. You should devote at least two minutes twice a day to brushing, being careful to cover the areas between and at the base of teeth, where plaque you miss can form visible tartar. Ask us about the most effective brushing techniques. And please, don’t smoke. Smoking is one of the worst offenders when it comes to discoloring teeth. If you are a smoker, quitting at any point in your life will make a big difference in the whiteness of your smile—and your lasting health!

• Healthy Eating

We all know red wine, coffee, and tea cause some of our worst enamel stains. Acidic drinks such as sodas and citrus beverages can cause even more problems by eroding tooth enamel, exposing the yellowish dentin underneath. Moderation and rinsing with water can help prevent damage. But we have some dietary allies as well! Crunchy foods like apples, carrots, and celery provide a mild scrubbing effect. Dairy products such as milk, cheese, and yogurt strengthen enamel. Fruits such as strawberries and pineapples, studies suggest, contain enzymes that are natural stain removers. While no one food takes the place of brushing or cleaning, a healthy diet and a healthy body enhance any smile.

• Brushing with a Whitening Toothpaste

Toothpastes are available which can remove some surface stains, and which can keep teeth their whitest after a professional whitening. They won’t penetrate the enamel surface or change the natural color of your teeth. If these toothpastes are going to work on discolored tooth surfaces, you will usually see results within a few weeks.

• Over-the-counter (OTC) Whitening Kits

These products provide a peroxide-based gel that can be applied in a tray or with strips. If you choose a tray application, make sure trays fit properly so sensitive mouth and gum tissue is not irritated. If you decide on strips, always make sure all of the tooth surface is covered to avoid uneven whitening. These kits have more powerful whiteners than toothpastes, and so you might see better results, but tooth and gum sensitivity can be a problem.

While all these whitening methods can be helpful, there are some circumstances when a professional whitening is best. Professional gel whiteners are more powerful, and can help eliminate darker stains that OTC products can’t remove. We can make sure sensitive gum and mouth tissue is protected from bleaching agents. And, if you are on a deadline, we can provide a much faster result. Some conditions, such as deep stains caused by trauma or medication, or darker-colored caps, veneers, and crowns, require more than whitening, and we are happy to present options for those situations.

If you have any questions or concerns about whitening your teeth, please give our Dallas office a call. Whether it’s advice on how to brush or how to quit smoking, discussing the effects of foods and drinks on our teeth, suggesting OTC whitening products, or providing a professional whitening, Drs. Sheena Allen, Mark Margolin, and Moein Sadrkhani and our team are happy to help you achieve your best and brightest smile!