Interproximal Cavities: The Inside Story

April 9th, 2025

Time to brush! So, you make sure you gently brush the plaque off the outside surfaces of your teeth. You want to present a gleaming smile to the world, after all. And you make sure to brush the inside surfaces as well, because who wants to feel a fuzzy patch of plaque every time their tongue hits their teeth? And, naturally, you remember to clean the tops of your molars, because those crevices make them more cavity-prone than any other surface.

Done? Not quite!

You might be surprised to learn that no matter how well you’ve brushed all the visible surfaces of your teeth, you’ve left quite a bit of enamel untouched—the adjoining, or touching, surfaces of the teeth that sit next to each other.

You’ve probably noticed that your bristles can’t . . . quite . . . reach all the enamel between your teeth (especially between your molars!) when you’re brushing. This means that food particles and plaque have an easier time sticking around. And when the bacteria in plaque are left undisturbed, especially with a banquet of food particles available, they produce acids which gradually eat away at the enamel covering our teeth, creating a cavity.

Here’s where we work in some specific dental vocabulary. “Interproximal” means between the adjoining, or touching, surfaces of the teeth. And an interproximal cavity is a cavity that develops on one of those side surfaces of your teeth.

  • Preventing Interproximal Cavities

Fortunately, prevention is about as basic as it can be—brushing and flossing effectively. Dentists recommend brushing for two minutes at least twice a day and flossing once each day. While most of us are good about keeping up with brushing, sometimes that daily flossing is more a goal than a reality.

But it’s flossing which really does the trick when it comes to interproximal cleaning. If you floss correctly, food particles and plaque are removed from between the teeth and around the gum line—places where bristles just can’t reach.

When you wear braces, though, flossing isn’t quite so basic. Getting that floss just where it needs to be in between brackets and wires and in between teeth can be a challenge!

The good news is there are many products designed just to make flossing easier while you’re in orthodontic treatment:

  • Floss threaders are flexible hoops that help you thread floss behind your wires easily.
  • Precut floss strands use a stiff tip at one end for threading floss through wires.
  • Interproximal brushes are tiny, cone-shaped brushes which can fit between your teeth and braces for precise cleaning.
  • Water flossers eliminate floss altogether, using a pulsing stream of water to clean between and around teeth and braces.

During your next visit to our Charlotte, NC or Spartanburg, SC office, Cooper, Ford S. can give you tips on how to use any of these tools effectively for cleaner teeth and cleaner braces.

Preventing cavities on the exterior surfaces of your teeth is probably pretty much automatic by now, but don’t forget the potential for stealth decay! If we find signs of erosion on the sides of your teeth, or if your hygienist lets you know that you’ve got a lot of interproximal plaque buildup, work with your dental team to make sure “interproximal cavity” doesn’t become a working part of your dental vocabulary.

Play it Safe this Spring

April 2nd, 2025

It's springtime and it's again time to remind our patients at OrthoCare Orthodontics to protect their faces and pearly whites while out on the field playing sports. According to the National Youth Sports Safety Foundation, children, high-school athletes and adults have more than 5,000,000 teeth knocked out in sporting events annually.

If you are planning on participating in spring sports, it’s imperative to have a proper-fitting mouthguard. Mouthguards can prevent chipped or broken teeth, lip and cheek injuries, jaw fractures, mouth lacerations and even concussions.

Having a mouthguard can make the difference between losing your teeth or not, and because many of our patients who play high school sports have jaws that are still growing, last year’s mouthguard may no longer fit as it should. Cooper, Ford S. and our team at OrthoCare Orthodontics can fit you for a new guard.

To learn more about mouthguards or for general questions about your treatment at our Charlotte, NC or Spartanburg, SC office, please give us a call!

Curing the Nail-Biting Habit

March 26th, 2025

Do you ever find yourself gnawing at your nails? Nail-biting is a very common and difficult to break habit which usually has its beginnings in childhood. It can leave your fingers and nail beds red and swollen. But if you think that your nails are the only ones getting roughed up by nail-biting you'd be mistaken—so are your teeth!

According to a study by the Academy of General Dentistry, those who bite their nails, clench their teeth, or chew on pencils are at much higher risk to develop bruxism (unintentional grinding of the teeth). Bruxism can lead to tooth sensitivity, tooth loss, receding gums, headaches, and general facial pain.

Those are some nasty sounding side effects from chewing on your nails. Most nail-biting is a sign of stress or anxiety and its something you should deal with. So what steps can you take if you have a nail-biting habit?

There are several things you can do to ease up on nail-biting:

  • Trim your nails shorter and/or get regular manicures – Trimming your nails shorter is an effective remedy. In so doing, they'll be less tempting and more difficult to bite on. If you also get regular manicures, you’ll be less likely to ruin the investment you’ve made in your hands and fingernails!
  • Find a different kind of stress reduction – Try meditation, deep breathing, practicing qigong or yoga, or doing something that will keep your hands occupied like squeezing a stress ball or playing with a yo-yo.
  • Wear a bitter-tasting nail polish – When your nails taste awful, you won't bite them! Clear or colored, it doesn't matter. This is also a helpful technique for helping children get over the habit.
  • Figure out what triggers your nail-biting – Sometimes it's triggered by stress or anxiety and other times it can be a physical stressor, like having hang nails. Knowing what situations cause you to bite your nails will help you to avoid them and break the habit.
  • Wear gloves or bandages on your fingers – If you've tried the steps above and they aren't working, this technique can prove effective since your fingernails won't be accessible to bite.

If you're still having trouble with nail-biting after trying these self-help steps, it's best to consult your doctor, dermatologist, or Cooper, Ford S.. For some, it may also be the sign of a deeper psychological or emotional problem.

Whatever the cause, nail-biting is a habit you need to break for your physical and emotional well-being. If you have any questions about the effects it can have on your oral health, please don't hesitate to ask Cooper, Ford S. during your next visit to our Charlotte, NC or Spartanburg, SC office.

When Your Permanent Retainer—Isn’t

March 19th, 2025

Even though it’s called a “permanent retainer,” your fixed retainer isn’t necessarily meant to last a lifetime. But with care, it should last just as long as you need it, keeping your teeth perfectly aligned after your orthodontic treatment is complete. Why is this retainer the one to choose for challenging alignments?

A fixed retainer is often used for teeth which were very crowded or had large gaps before treatment, especially along the bottom teeth, which tend to shift more. With a permanent retainer, a custom fitted wire is attached with a bonding adhesive to the back of each of the selected teeth. This design makes sure that the teeth can’t shift out of place while your bones and ligaments strengthen around them.

Occasionally, though, your permanent retainer isn’t quite as permanent as it should be. If you think your fixed retainer is becoming “unfixed,” what clues should you look for?

  • Broken wire

A clearly broken wire can be obvious, or you might discover it when you notice pain or irritation caused by the end of a wire poking around your tongue or mouth.

  • Loose bond

The orthodontic adhesive used to bond the wire to each tooth can come loose as the result of an accident, an unfortunately chewy treat, or simply with the passage of time.

  • Shifting teeth

You might not notice anything wrong with your retainer, but what you do notice is that your once-straight teeth have started shifting back to their old positions. If you see any movement in your teeth, your retainer might need repair.

What should you do?

  • Give our Charlotte, NC or Spartanburg, SC orthodontic office a call! It’s important to act promptly to prevent further retainer damage, oral discomfort, and tooth misalignment.
  • Rinse with warm water if your mouth is irritated.
  • If a wire is poking you, call us for advice on gently pushing it back into place.
  • Orthodontic wax can protect your teeth and tissue from detached wires.
  • If you have a clear retainer, wear it until you can come in. If you don’t have one, and you can’t see us immediately, ask if an over the counter moldable retainer is a good idea to help keep your teeth aligned in the meantime.

One benefit of a fixed retainer is that it’s almost invisible because it’s behind your teeth. But this hidden location can also make it difficult to notice potential problems. Fortunately, there are some proactive steps you can take to help your permanent retainer—and your bite—stay healthy:

  • Avoid foods which are sticky, hard, or chewy. If a food can damage traditional braces, it can damage your retainer.
  • Wear protective gear like mouthguards and helmets when you’re active—they protect more than just your retainer!
  • Ask your dentist to examine your retainer adhesive’s staying power whenever you have a checkup.

If you notice a detached wire or loose adhesive or see your teeth shifting, give Cooper, Ford S. a call. It’s important to act promptly to fix a fixed retainer, because your teeth and bite alignment are in jeopardy when you delay. And always bring your retainer (or retainer pieces) with you in case we can repair it.

Permanent retainers don’t necessarily last forever. But whether your fixed retainer is going to be with you long-term, or whether you’re going to transition to a removable retainer in the future, let’s make sure your permanent retainer is just as “permanent” as it needs to be!

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