Dentist | BenchMark Dental | Windsor, Greeley & Loveland, CO | Why Do People Get Cavities

An Alarming Trend in Cavities

At Benchmark Dental, we see people on a regular basis who have a large handful of very small, superficial cavities that will require fillings to repair them before they cause bigger problems.  These are new cavities that haven’t been there long enough to cause major damage, cavities in patients who had their last checkup one to two years ago.  In these patients, Our concern is not how big these cavities are, or where they are, or how to repair them.  Rather, it is what and why: 

  • What is causing these cavities?  
  • Why is there a relatively recent occurrence of simultaneous decay?   

Why Do People Get Cavities

When I start questioning them I learn universally that they have a relatively new habit.  These include cough drops, sweet tea, coffee, and other sugared items.  They sip, snack, and suck on these little things throughout their day, introducing repeated small amounts of sugar to their mouths a few times per hour.  Why does this cause decay?  
 
Decay is caused by bacteria and bacteria are very small.  They don’t require much food to quickly reproduce.  What these bacteria thrive on is frequency.  They need repeated feedings, irrespective of how large.  In fact, it would be better to quickly eat a 5 pound bag of sugar (at least for your teeth) than it would be to eat a teaspoon every half hour.  
 
Here’s how this works: When you take something into your mouth that has nutritional value, it has nutritional value to the bacteria in your mouth as well.  Each time you eat or sip something, the bacteria of the mouth are fed.  These bacteria then do like every other living thing on this planet: they eat and then they release by-products.  In short, they eat and poop.  Those by-products are acidic.  This acid that is dumped onto the tooth causes surface damage in the form of demineralization, or breakdown of the mineral content of the tooth.  If the feeding frenzy ends and no more food is brought into the mouth, the saliva can repair and remineralize the tooth surface.
 
However, in the scenario we discussed earlier,  the patient is engaging in repeated small snacks and sips, the cycle of eating leading to acid by-product release occurs at each snack and/or sip and lasts 20-30 minutes each.  I think you might be seeing where this is going now.  These repeated acidity spikes in the mouth cause repeated damage to the teeth that can’t be repaired by the saliva.  The tooth then begins to break down over time due to this acid bombardment.  
 
So, why do people get cavities?  It’s due to concentration, not quantity.  It’s the small snacks, that mug of coffee that sits on the desk all morning, and the gatorade bottle that starts the day full and ends empty that cause the decay.  We should all examine our diets and make sure that we aren’t engaging in this behavior.  
 
Learn More on  How to Prevent Cavities…
 
Obviously, just eliminating one bad habit from your life may not be the cure-all.  You still need to brush and floss daily, use fluoride toothpaste, and visit your dentist regularly for cleanings and checkups.  Give that a try and let me know how it works for you! 
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