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There are lots of ads out there for toothpastes that claim to repair damaged tooth enamel.

Can you treat cavities and tooth decay at home? Well, mostly, no, you can’t.

Can you strengthen your enamel at home? Very possibly—in some circumstances. Let us explain!

Cavities and tooth decay start forming when the enamel on the tooth’s surface breaks down. To discover what causes this breakdown, we need to see how chemistry works with our biology.

Tooth enamel is mainly made from calcium and phosphate ions. These minerals combine to form hydroxyapatite, crystals which make up around 95% of our enamel. Hydroxyapatite crystals are so strong that tooth enamel is the hardest part of our bodies. What can weaken a substance this strong?

Acids. Acidic foods and drinks, as well as acids created by the bacteria in plaque, strip away calcium and phosphate ions in enamel, weakening the surface of the tooth. This is a process called demineralization, and it’s the first stage of tooth decay. Left alone, weak spots will become bigger and deeper until they form cavities.

And tooth enamel, unlike the rest of your body, isn’t living tissue. It can’t regenerate. Once bacteria and acids have created a deep enough cavity, only Drs. Nick Cosman, Patrick McDonough, Cameron Levac, Cherry To and Karen Nesbitt can repair it by removing decay and filling the tooth.

Wait, this sounds a lot more like “No, you can’t repair your enamel” and much less like “It’s possible to strengthen your enamel.” But we’re not through!

Demineralization doesn’t equal cavities—yet. Careful attention to your habits and your diet can make a difference in whether your enamel continues to weaken or becomes stronger.

Our body’s first defense against demineralization is saliva. Calcium and phosphate ions in saliva bathe the teeth throughout the day, restoring the minerals which have been lost. This is called remineralization. Saliva also helps neutralize acids from the foods we eat. But with a diet heavy in acids, or a lot of plaque buildup, saliva just can’t keep up with the damage.

That’s where “enamel-repair” toothpastes come in. Toothpastes are available that contain hydroxyapatite to restore calcium and phosphates to weakened enamel. But for many of the most common enamel-repair toothpastes, the not-so-secret secret to their effectiveness is fluoride.

Dentists recommend fluoride toothpastes for several very good reasons. Fluoride is attracted to the minerals in tooth enamel and bonds with them. Once bonded, fluoride attracts the calcium and phosphate ions in saliva, helping restore lost minerals to the enamel. Even better, when fluoride bonds with the calcium and phosphate in our enamel, fluorapatite is created. This is a crystal even stronger and more acid-resistant than hydroxyapatite.

If you’re concerned about the strength of your enamel, and especially if you notice any signs of acidic erosion, talk to our Kingston, ON dental team right away. Drs. Nick Cosman, Patrick McDonough, Cameron Levac, Cherry To and Karen Nesbitt can:

• Recommend over-the-counter toothpastes or professional fluoride applications to help reverse early demineralization
• Provide dental bonding, a crown, or a veneer to protect a tooth with serious erosion
• Treat a cavity caused by more advanced tooth decay.

Keeping your enamel healthy at home can take many forms. By careful brushing and flossing to remove plaque, by watching the acids in your diet, by making sure you’re properly hydrated, and by using fluoride toothpaste, you can both reduce the risk of demineralization and help restore weak spots in your tooth enamel.

So, can enamel-repair toothpastes effectively repair your teeth? Yes, they can be effective—if demineralization is in its early stages and if you make them a regular part of your daily dental routine.

Feeling apprehensive or guilty for not visiting a dentist in over a year is common, but coming back to receive dental care is easier than you may think. Our dental team at Cataraqui Dental Centre provides caring, non-judgmental, personalized service, and knowing this you can truly feel at ease making your first appointment back.

During your first appointment back, we will focus on three prominent dental issues including gum disease, cavities, and wear and tear by utilizing a full mouth series of X-rays, a hygiene appointment, and a comprehensive exam.

The full mouth series of X-rays are taken every three to five years, or as needed. A full mouth series may be a panoramic X-ray and bitewings (a set of four that checks for cavities) or a set of X-rays that views the entire anatomy of every tooth. The set of X-rays will depend on your individual needs.

Your hygiene appointment will begin with a review of your medical history, personal concerns and questions, and an evaluation checking for any infection. After any necessary diagnoses are made, the appropriate level of cleaning is proposed and completed if time allows.

A comprehensive exam serves as a review of what the hygienist has already covered. Drs. Nick Cosman, Patrick McDonough, Cameron Levac, Cherry To and Karen Nesbitt will again review your medical history and dental concerns, and confirm any periodontal diagnosis. An evaluation of any decay, breakdown or broken fillings, or areas that are at risk for future problems will also be reviewed.

After the appointment, a team member at Cataraqui Dental Centre will review any recommended treatments, payment options, insurance coverage, and scheduling. The time spent at your first visit back is an important step in the right direction, and we are committed to making this visit as comfortable and easy as possible! Come see us in Kingston, ON.

That ache in your head may stem from your jaw. If your jaw falls out of alignment, you could have temporomandibular joint disorder, or TMD.

It's not clear what causes TMD. Obesity may factor in. Stress and pressure on the jaw may also contribute. A misaligned bite (that is, where your upper and lower teeth don't fit together when you close your mouth) may cause TMD symptoms, too.

TMD can affect your life and your health by making it painful to eat and hard to sleep. Some people find the nagging pain difficult to bear.

Symptoms of TMD include:

• Recurring headaches with no other cause
• Pain along and behind your ears
• Pain in your cheeks or lower face
• Clicking noises when you talk or chew
• Tired or sore jaw muscles after eating
• Limited jaw movement

If you experience the symptoms listed here, make an appointment with our office. We’ll take an X-ray to look at your bite, and determine if TMD could be the culprit. If you have TMD we can offer a number of treatments, including:

• Relaxation and stress reduction techniques
• Pain reduction recommendations, which might involve visualization or medication
• Jaw joint exercises that can help reduce stress and improve your alignment

Left untreated, TMD headaches and other symptoms can become quite severe. If you suffer the symptoms of TMD, you do not have to live in pain. Make an appointment at our Kingston, ON office to learn how we can reduce your pain and restore comfort to your life.

Whether you’re defending the goal, shooting hoops, or practicing tricks on your skateboard, sports and exercise are a great way to keep fit and healthy. Let’s make sure you keep your smile fit and healthy, too, with a few easy ideas you can use whenever you work out.

• Eat Tooth-Friendly Snacks

Most activities use lots of energy. One simple way to keep up your energy when you’re on the go is with snacks.

And one simple way to protect your teeth from cavities when you’re working out? Cut down on snacks like dried fruits, granola bars, and chips that can have a lot of sugar and/or stick to your teeth. Sugary and sticky foods feed the bacteria in plaque, and plaque causes cavities.

There are lots of tooth-friendly choices when it comes to recharging your energy levels. Fresh fruit slices and vegetable sticks are an easy-to-carry, vitamin- and mineral-packed snack. Bring some peanut butter for dipping or add some plain nuts for protein and crunch. Whole grain crackers and hard cheeses are another tasty choice. And drink some water after snacking to rinse away food particles.

• Drink Water When You Exercise

And, speaking of water, our bodies can’t work without it! Healthy hydration means drinking the right amount of water every day—not too little, not too much—to help every cell in your body keep going strong.

But when you’re working out, breathing harder, and sweating, your body is losing water. That’s why athletes always keep a water bottle handy.

Of course, you can hydrate with other liquids besides water, and flavored sports drinks and energy drinks are popular with a lot of people—but not with dentists! If you look at their labels, you’ll often discover lots of sugar in these drinks. And they can also be very acidic, which can make your tooth enamel weaker.

Bring your own water, and you’ll be hydrating, protecting your teeth, and helping to keep the planet healthy with your reusable bottle.

• Wear Your Mouthguard

You don’t play contact sports without protective gear—and part of that gear should be a mouthguard. Sports like hockey and football are obvious contact sports, but, if you think about it, baseball, soccer, biking, skateboarding, and many other activities can bring you into contact with another person, a piece of equipment, or the hard ground!

One way to make sure that any contact is easier on your teeth and mouth is to wear a mouthguard. You can get these ready-made, or in a kit which lets you mold the mouthguard around your teeth, or you can have one made at our Kingston, ON office, which will fit your teeth perfectly and provide the best protection (especially if you wear braces).

Keep your smile strong and healthy while you keep fit with these simple additions to your work out routine. And for even more good ideas for taking care of your smile, ask an expert—Drs. Nick Cosman, Patrick McDonough, Cameron Levac, Cherry To and Karen Nesbitt!