Why do I get so many cavities even though I brush and floss?
Michael King
Updated on March 09, 2026
Your biofilm becomes plaque and tartar if it builds up too much, and we keep the amount of it under control with good brushing and flossing. In healthy mouths it's a well-balanced mix of good bugs and bad bugs that live with us. However, when the biofilm gets off balance problems, like cavities, can develop.
Can you still get cavities if you brush and floss?
Tooth Anatomy – If you have crowded teeth, it's much harder to access some of the areas where plaque and bacteria are hiding. If you brush and floss regularly but still miss these areas, a cavity can easily form.Why are my teeth getting so many cavities?
Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes. Cavities, also called tooth decay or caries, are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.Why do I keep getting cavities when I take care of my teeth?
Unless you clean your teeth immediately after eating, sugars remain on and between your teeth and along your gumline. Bacteria in your mouth then have ample time to feast on these sugars and leave behind a destructive waste product that erodes tooth enamel. This is what causes cavities.Can you get cavities from flossing too much?
Flossing too harshly too often can harm the gum line and expose more of your tooth's root. That's not only painful, it also creates an opening for bacteria to creep in and cause cavities or decay.Reasons You're Getting Cavities (That Have Nothing to Do With Brushing and Flossing)
Why are my teeth rotting so fast?
Several factors contribute to a high cavity rate are as follows: Diet –Whether you sip, graze or snack something that's sugary throughout the day, there's a good deal more chance of cavities. Dry Mouth – Not only does the saliva wash away bacteria and plaque, it neutralizes acids that can attack your teeth.How many cavities does the average person have?
According to the National Institutes of Health, 92% of adults in the United States between the ages of 20 and 64 years have had cavities in their permanent teeth. Each of these individuals has an average of 3.28 cavities.Are cavities a big deal?
The truth of the matter is that cavities are a big deal, because while some patients consider dental care expensive – neglect is truly the expensive option. While a filling can cost around 150 to 300 dollars, the treatment for saving, repairing, or replacing your tooth with a crown or dental implant will be much more.How many fillings is normal?
Pretty much everyone gets a cavity or two in their lifetime, even with good dental hygiene. The average American adult has three fillings.Do fillings last forever?
A filling is used to treat an area of decay. It stops it from spreading and restores the tooth's strength. Although a filling will last for several years, it won't last forever.How many cavities is normal for a 14 year old?
Adolescents 12 to 19 have an average of 0.54 decayed or missing permanent teeth and 1.03 decayed permanent surfaces.Can you get 8 cavities in 6 months?
Cavities don't develop overnight. It takes weeks, months, even years for a cavity to form. In fact, most cavities take around six months to five years to develop. If a cavity is caught early enough, you can actually reverse the damage to your child's teeth.Can I wait 6 months to fill a cavity?
Every Cavity Is DifferentSome people have softer tooth enamel than others, making it easier for bacteria or acid to penetrate the tooth. On average, as a broad timeline, it can take anywhere from six months to four or five years before a cavity needs treatment.
What to do if you have lots of cavities?
Treatment options include:
- Fluoride treatments. If your cavity just started, a fluoride treatment may help restore your tooth's enamel and can sometimes reverse a cavity in the very early stages. ...
- Fillings. ...
- Crowns. ...
- Root canals. ...
- Tooth extractions.