Posts for: October, 2017
What do young saber tooth tigers, which have been extinct about 10,000 years, have in common with human kids today? At first glance, not a lot. Smilodon fatalis, the big cat of North America, reached adulthood at around age three and weighed up to 600 pounds. But these ice-age mammals are probably best known for their dagger-like canine teeth, which (as shown by many well-preserved skeletons) grew up to 7 inches long. And that’s where the comparison between kids and kitties gets interesting.
The toothy felines had primary (baby) teeth and adult teeth, which developed in a similar way to human dentition. The primary teeth came in first, persisted during the young cat’s development, and shared space in the mouth as the adult teeth were erupting (growing in) — with one big difference. According to a recent study reported in the academic journal PLOS ONE, those colossal canines grew at an astonishing rate: up to 6 millimeters per month! By comparison, human primary teeth emerge from the gums at around 0.7mm per month, while permanent teeth may grow up to 2mm per month.
It’s understandable why those tiger teeth developed so rapidly: Life in the Ice Age was hard, and predators needed every advantage just to stay alive. But while human baby teeth take longer to develop (and to go away), they, too, are vitally important.Â For one thing, the primary teeth let kids bite, chew, speak (and smile) properly, until they are replaced by adult teeth — a process that isn’t usually finished until a child reaches the age of 12-13. So those “baby” teeth allow kids to have good nutrition — and positive social interactions — for a significant part of childhood!
There’s another important thing primary teeth do before they’re gone: They help ensure that the succeeding teeth come in properly, by holding a space in the jaw that will later be filled by a permanent tooth. If baby teeth are lost prematurely, those spaces can close up, resulting in permanent teeth that emerge too close together, or in the wrong places. This condition, called malocclusion (bad bite), can usually be corrected by orthodontics. But it’s better to avoid the inconvenience (and cost) of braces, if possible.
That’s why it’s so important to take care of your child’s baby teeth. Even though they won’t be around forever, they have a vital role to play right now. So be sure proper attention is paid to your child’s oral hygiene: That means avoiding sugar, and remembering to brush and floss every day. And be sure to come in regularly for routine exams, cleanings, and needed care. It’s the best way to keep those little teeth from “going extinct” too soon!
If you have questions or concerns about your child’s baby teeth, please call our office to schedule a consultation. You can read more in the Dear Doctor magazine articles “Importance of Baby Teeth” and “Early Loss of Baby Teeth.”
Your diet can play as important a role in your dental health as brushing and flossing. What you eat (particularly sugar) could increase your risk of tooth decay despite your hygiene habits. And vice-versa: a nutritious diet may help boost your preventive efforts even more.
Let’s look at two very different approaches to diet and see how your dental health is likely to fare under each.
A High Sugar/Low Fiber Diet. Modern western diets heavy with processed foods are inundated with two particular types of refined sugars. The first is sucrose, which comes mainly from either beets or sugar cane. Foods (and beverages) may also contain a refined sugar from corn known as high fructose corn syrup. Refined sugars are added for taste to thousands of products like cake, candy, soft drinks or even condiments like catsup. These “free” sugars are easily processed by bacteria into acid. Combine that with fewer fibrous vegetables in the diet and you have a recipe not only for obesity and other health issues, but tooth decay as well.
A High Fiber/Low Sugar Diet. Fruits and vegetables make up a large part of this kind of diet, while added free sugars much less so. That doesn’t make this diet sugar-free: all plant products contain simple sugars produced by photosynthesis. The difference, though, is that these sugars — glucose, fructose and sucrose (natural, not the refined versions) — are more slowly absorbed into the bloodstream during digestion because of the fiber content of fruits and vegetables. You’ll also receive other nutrients like vitamins and minerals necessary for good health. Eating this kind of diet will help decrease the risk of tooth decay.
So there you have it: eat more fresh fruits and vegetables and restrict your intake of processed foods and sweets. You may also want to fine-tune a few items to maximize decay prevention: for example, eat starches in their natural form (whole grains, beans or certain fruits) as much as possible rather than refined or in combination with added sugar (cakes, cookies, etc.). And while fresh fruits with their naturally occurring sugars aren’t a significant factor in tooth decay, dried fruits (especially with added sugar) might.
If you would like more information on proper diets for better oral health, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Nutrition & Oral Health.”
Here’s a sobering statistic: you have a 50/50 chance over your lifetime for developing periodontal (gum) disease. And it’s much more serious than irritated gums: if not treated aggressively you could experience bone loss, which can not only lead to tooth loss but actually increases your risk of heart attack and stroke.
Initially, you may not notice any symptoms unless you know what to look for: mainly red and puffy gums that frequently bleed during brushing and flossing. As the infection advances into the underlying support structures that hold teeth in place you may also notice receding gums (moving away from your teeth causing them to look longer), pus around the gums or lingering bad breath or taste. And one or more loose teeth are a definite sign the supporting structures have weakened severely.
So, how does gum disease happen? It starts with bacteria. Your mouth contains millions of these and other microorganisms, most of which are friendly and even beneficial. Unfortunately, a fraction of them can infect and harm tissues like the gums and underlying bone. Your mouth’s defenses can normally handle them if their numbers remain low. But a bacterial population explosion can quickly overwhelm those defenses.
Bacteria are like any other life form: they need a secure environment and food. Disease-causing bacteria establish the former by utilizing proteins and other components of saliva to form a sticky biofilm on teeth known as plaque. Within the safe haven of dental plaque bacteria quickly multiply and form a complex and concentrated ecosystem feeding on remnant food particles, especially sugar and other carbohydrates.
The key to gum disease prevention (as well as treatment) is to deprive bacteria of their home and food source by removing plaque and its more hardened form calculus (tartar). You can manage plaque buildup by brushing and flossing daily, seeing your dentist regularly for cleanings to remove any remaining hard-to-reach plaque and calculus, and eating a nutritious diet with fewer sweets or other carbohydrate-rich snacks.
You can further lower your disease risk by avoiding smoking and other tobacco products and moderating your consumption of alcohol. And be sure to see your dentist as soon as possible if you notice any signs of infection with your gums. Taking these steps can help you avoid gum disease’s destructiveness and help preserve a healthy and attractive smile.