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The Science of Sugar

December 7th, 2022

Some languages have many different words for love. Some have many different words for snow. One language even has different words for a tasty layered sandwich. Is that a hoagie or a hero you’re having? A sub? Grinder? Po’boy?

“Sugar,” though, is a single word which has taken on many meanings, from casual endearment to monosaccharide molecule. Today, we’re examining scientific definitions, with a short and sweet look at the science of sugar.

Chemistry

First, let’s get basic—all the way down to the molecular level.

Carbohydrates, fats, and proteins are the three essential macronutrients which keep our bodies running. Sugars are molecules made of carbon, hydrogen, and oxygen atoms, and all carbohydrates are made of these sugar molecules, from single unit structures to very complicated chains.

Sugars called monosaccharides are the most basic of the carbohydrates. “Monosaccharide” comes from the Greek words for “single” and “sugar,” and monosaccharides are the sugars we mean when we talk about “simple sugars.” Why are they simple? Because a monosaccharide is a single molecule which can’t be broken down into smaller carbohydrates.

While there are several types of monosaccharides, the three major simple sugars are:

  • Fructose—the sugar we get from fruit.
  • Galactose—the sugar found in milk.
  • Glucose—the sugar our bodies use the most. It’s found in plants, and also produced when our bodies break down other carbs. Fun fact—this is the only sugar essential for brain cell function.

When two monosaccharide molecules join together, they form a disaccharide (not surprisingly, from the Greek for “two sugars”). Again, there are quite a few disaccharides, but we tend to concentrate on three in our diets:

  • Lactose (glucose + galactose)—found only in milk and dairy products.
  • Maltose (glucose + glucose)—the sugar chiefly produced by grains.
  • Sucrose (glucose + fructose)—produced in plants. These plants include sugar cane and sugar beets, from which we get our refined table sugars.

The reason sugar molecules are so important is because of how our bodies use them.

Biology

Our bodies use the glucose in carbs for energy. As foods break down, first through digestion and then in the cells, the chemical bonds which hold glucose molecules together break as well. This action releases energy, and this energy fuels all our bodily functions.

But even though we need carbohydrates to keep our bodies going, and even though sugars are the easiest carbs to use for energy, there’s a reason no one recommends a diet filled with extra sugar.

Our bodies get all the sugar they need from the natural sugar in the foods we eat. Natural sugars are found in fruits, dairy products, even some vegetables and grains. Along with that sugar come vitamins, minerals, antioxidants, fiber, and/or protein.

Extra sugars added during baking or mixing or processing for flavor and sweetness provide none of these nutrients. These sugars are known as “added sugars,” and have more serious consequences than just empty calories.

Once we have the sugars we require, there’s no need for more. Extra sugars are stored in liver, muscle, and fat cells for later use. When we eat too much sugar, this carefully balanced system is upset, with negative effects for, among other things, weight, blood sugar, insulin levels—and our dental health.

Nutrition and Dental Health

You know that a sugar-filled diet often means a cavity-filled checkup. Why? Because it’s not just our bodies that break down sugar for fuel.

The oral bacteria in plaque also need sugars for food, which they use to make acids. An acidic environment in the mouth weakens and dissolves the minerals which keep tooth enamel strong. And these weak spots are vulnerable to decay. A steady diet of sugar-filled foods means that your enamel is constantly under acid attack.

Cutting down on added sugars is one of the easiest and best ways to cut down on added cavities. Reading recipes, checking out labels, learning to recognize added sugars—this is nutritional research which has sweet results.

How to recognize added sugars? Here’s where language gives us plenty of words to fill our linguistic sugar bowl. Whether the ingredients are called agave nectar, honey, molasses, syrups, treacle, or table sugar, they’re really just sugar. More specifically, they’re all sugars made up of glucose and fructose, with at best a trace amount of vitamins and minerals—and usually not even a trace!

To make our lives easier, labels on food packaging now let us know exactly how much of the sugar in any product is “added sugar.” You expect to find a high percentage of sugar on dessert labels, but you might be surprised to read how much sugar is added to foods like energy drinks, sports drinks, flavored yogurts, cereals, spaghetti sauce, and many more of the items in your grocery cart. Spend an extra minute examining the label, and save yourself many empty calories.

Monosaccharides, disaccharides, glucose, fructose, maltose, agave syrup, treacle, and on and on—so many words for so many kinds of sugar. When it comes to dental health, let Drs. Tom Holmes, Gordon Lansdown, Karen Nesbitt, Nick Cosman, Brett Empringham, and Patrick McDonough have the last word on sugar science. During your next visit to our Kingston, ON office, talk to us about reducing unnecessary sugars in your diet for a future filled with the sweetest of healthy smiles.

What’s the Big Deal about Sleep Apnea?

November 30th, 2022

What’s the big deal about a little snoring during the night? Or feeling a bit drowsy during the day? Or an occasional bout of insomnia? If your sleep problems are few and far between, probably not a major worry. But if your sleep disruptions are frequent, getting worse, or more noticeable to those around you, your problem might be sleep apnea. And that can be a big deal.

Sleep apnea occurs in three forms:

  • Obstructive sleep apnea

This is the most common form of sleep apnea. It can be the result of the muscles in the back of the throat relaxing during sleep to obstruct the airway. Obstruction can also be caused by a physical condition such as a deviated septum, excess throat tissue or enlarged tonsils.  Loud snoring often results as the sleeper struggles to inhale through the obstructed passageway.

  • Central sleep apnea

Central sleep apnea is caused by the brain failing to transmit the proper signals to breathe during sleep. The sleeper either stops breathing, or takes such shallow breaths that he or she can’t get enough air into the lungs.

  • Complex sleep apnea

This condition is a mix of both obstructive and central sleep apnea.

Any of these forms of sleep apnea will cause a miserable night’s sleep. Sufferers actually stop breathing for a brief time. To start breathing properly again, our bodies move from the deep sleep we need to restore our physical and mental health to shallow sleep or even momentary wakefulness. And these disruptive episodes can happen dozens of times an hour, all night long. You might think you have gotten a full night’s sleep, while in reality you are suffering from sleep deprivation.

When you suffer from obstructive sleep apnea, the immediate consequences are easy to see and hear. Loud snoring, choking, constant drowsiness—you (and your loved ones) suffer from these symptoms night and day. But the hidden consequences of this disorder are even more dangerous. Sleep apnea has been linked to high blood pressure, heart disease, and strokes. It can cause memory problems, depression, and mood changes. Loss of focus and slow reflexes can lead to accidents. Complications from general anesthetics and medications can also become a serious risk.

Snoring is not the only symptom of sleep apnea. If you notice that you often wake up with a sore throat, a dry mouth, or a headache, have difficulty going to sleep at night or staying awake during the day, can’t concentrate,  or constantly feel irritable—you should consider the possibility that you suffer from sleep apnea. Talk to Drs. Tom Holmes, Gordon Lansdown, Karen Nesbitt, Nick Cosman, Brett Empringham, and Patrick McDonough at our Kingston, ON office. We can recommend options that will have you once again sleeping soundly in your bed, waking up refreshed and healthy. And that is a big deal.

Let's Talk About Your Roots!

November 30th, 2022

You’ve learned a lot from your dentist and your family about how to take care of your teeth. You brush and floss, you wear a mouthguard when you’re active, and you have regular checkups and cleanings at our Kingston, ON office.

And everything you’re doing is wonderful! The smile you see each day in the mirror reflects your hard work.

But what about the part of your smile you can’t see? Let’s take a look beneath the surface, and talk about your roots.

While our teeth look solid from the outside, there’s really a lot going on inside each tooth.

  • The outside of every tooth is covered with a hard protective surface.

Enamel is the hardest material in our bodies, and covers the crown. This is the part of the tooth we can see above our gums.

Our roots are hidden below our gums, and are covered with cementum instead of enamel. Cementum is hard, but it’s not nearly as strong as enamel.

  • Just below a tooth’s enamel and cementum layers, we have dentin.

Dentin is a hard tissue, only a little softer than enamel. Most of our tooth is made of dentin. It surrounds and helps protect the center of the tooth and supports the enamel and cementum on the outside.

  • Inside the center of each tooth, there’s an area called the pulp chamber.

The pulp holds tiny blood vessels and nerves. The blood vessels give the pulp nutrients, and the nerves are the reason that our teeth can feel sensitivity or pain.

Inside the roots, we also find pulp in the root canals. These canals are very small tunnels that run from the pulp chamber down through the root, ending in a tiny hole in the tip of the root. Blood vessels and nerves running through the canals connect the pulp tissue to our bodies’ blood and nervous systems.

Around your roots, there’s a lot going on, too. Smaller teeth like the incisors, our front teeth, usually have only one root. Bigger teeth, like molars, usually have two or three roots. And while you’re busy biting and chewing, what’s holding these roots in place?

  • In your jaws, you have a spot where each tooth fits called a socket. But your tooth roots don’t just sit in the socket. That wouldn’t be very secure!
  • Instead, you have a periodontal ligament surrounding the roots of each tooth. Think of the ligament as groups of tissue fibers that can attach to both the cementum on your root and the bone in your jaw. This double attachment holds your teeth firmly in place. The ligament also helps cushion your teeth from the heavy pressures of chewing.
  • To make things even safer for your roots, your gums help cover them and protect them from bacteria and decay.

As you can see, your body is working hard to protect your roots. What’s the best thing you can do to keep your roots healthy? Do everything you’re already doing!

  • Keep up with your brushing and flossing, and your visits to our office. These good habits protect the teeth and gums you can see, and also the roots that you can’t see.
  • Avoid oral habits that put lots of pressure on your teeth and roots. Biting down on pencils, or ice, or nut shells, or anything not meant for regular eating means you’re risking a cracked tooth.
  • Be safe! Wear your mouthguard when you’re active.
  • Don’t wait to tell your adult if your tooth hurts. Remember, those nerves inside your teeth and roots are there to warn you if your tooth is damaged. Drs. Tom Holmes, Gordon Lansdown, Karen Nesbitt, Nick Cosman, Brett Empringham, and Patrick McDonough will be able to find out what’s wrong and have you feeling better in no time.

Even though you can’t see them, your roots are one important reason you have your beautiful smile. Taking good care of your teeth now is a way to make sure you have beautiful, healthy smiles for a lifetime!

Xerostomia: What does that mean anyway?

November 23rd, 2022

Does your mouth always feel like it’s dry? If it does you may be suffering from xerostomia. Xerostomia is defined as dry mouth resulting from reduced or absent saliva flow. There are various medical conditions that can cause this type of dry mouth, which you can ask more questions next time you visit us at Cataraqui Dental Centre.

Xerostomia can factor into both minor and more serious health problems. It can affect the ability to eat and enjoy food and it can jeopardize one’s dental health. Some of the more common symptoms can include sore throat, burning sensation in the oral cavity or tongue, and difficulty swallowing.

One of the more serious problems associated with dry mouth is an increased risk of tooth decay. Decrease in saliva causes more plaque to form and there is less saliva to act as a buffer to the things we eat and drink. Less saliva also means more food debris is retained in the mouth. These things can lead to an increase in tooth decay.

So, what causes xerostomia?

There are several things that may cause xerostomia. Among the biggest culprits are prescription medications. Some examples are antihistamines, antidepressants, anti-hypertensives, anti-anxiety agents, anti-diarrheals, bronchodilators, and muscle relaxers.

Certain diseases can also cause dry mouth. The more common ones include rheumatoid arthritis, lupus, diabetes, hypertension, and thyroid disease. Xerostomia is also common in patients being treated for cancer. Head and neck radiation as well as certain chemotherapy drugs can cause severe dry mouth.

What should you do if you are experiencing dry mouth symptoms? First make sure to hydrate with plenty of water. If you are taking medications that cause xerostomia, make sure to drink water before taking the medication as well as a full glass of water with the medication. Be diligent with brushing and flossing and discuss your condition at your next appointment with Drs. Tom Holmes, Gordon Lansdown, Karen Nesbitt, Nick Cosman, Brett Empringham, and Patrick McDonough. We can recommend specific products to help moisten the oral cavity and reduce your symptoms such as saliva substitutes, xylitol products, and certain toothpastes. Another option may be a prescription home fluoride treatment to help prevent new cavities. You may want to try gum or candies to stimulate saliva flow but make sure they are sugar free! Avoid food and beverages that dehydrate such as caffeine and alcohol.

Xerostomia is a common problem that is currently on the rise. Our team can help you to reduce any symptoms and improve your comfort while living with a dry mouth. Contact our Kingston, ON office today!