All Conditions

Gum Disease

Think of your gums as the foundation for your teeth. If they're not in good shape, your whole smile is at risk. Here’s what you need to know.

Reviewed by Areeba Aslam, General Dentist at DentaSmart|Last reviewed: February 21, 2026

In one sentence: Gum disease (periodontal disease) is a bacterial infection of the gums that starts with inflammation and, if untreated, can lead to bone loss and tooth loss.

Quick Answer

Gum disease is basically an infection in the tissues holding your teeth. It usually starts with gingivitis—that's when your gums get red, puffy, and bleed when you brush. If you don't deal with it, it can turn into periodontitis, which is way more serious and can lead to bone and tooth loss. The main culprit? Plaque buildup. The good news is you can totally reverse the early stages with good habits.

Understanding Gum disease

Did you know nearly half of all adults over 30 have some form of gum disease? It all starts with plaque, which is a sticky film of bacteria that loves to hang out along your gumline. If you don't brush and floss it away, it hardens into tartar. And tartar isn't something you can remove on your own; you'll need a dental pro for that.

The first stage is called gingivitis. You might notice your gums are a bit red or swollen. Or maybe they bleed when you brush. The great thing is, at this point, no permanent damage has been done to the bone holding your teeth. Gingivitis is 100% reversible with better brushing and flossing, plus a professional cleaning.

But if you let gingivitis slide, it can get worse and become periodontitis. This is when your gums start to pull away from your teeth, creating little pockets that get infected. Your body's immune system tries to fight the infection, but this process (along with the bacteria) starts to break down the actual bone and tissue that support your teeth. This is when teeth can get loose and might even need to be pulled. Scary stuff.

So what puts you at risk? Smoking is the biggest one, by far. But other things like diabetes, hormone shifts (hello, pregnancy!), certain meds that cause dry mouth, and even your genes can play a part. Your best defense is simple: see your dentist regularly and keep up with your brushing and flossing at home. Using DentaSmart can also help you spot any changes in your gums between those visits.

Common Causes

Plaque and Tartar Buildup

This is the main cause. The bacteria in plaque create toxins that really irritate your gums and make them swell up.

Smoking and Tobacco Use

Honestly, this is the worst thing you can do for your gums. Smoking messes with your immune system and makes it way harder for your gums to heal.

Not Brushing or Flossing Enough

If you're not consistent, plaque just sits there and eventually hardens into tartar. Simple as that.

Hormonal Changes

Things like pregnancy, your period, or menopause can make your gums extra sensitive and more likely to have problems.

Diabetes

If you have diabetes, you're at a higher risk because your body has a tougher time fighting off infections, including in your gums.

Signs and Symptoms

Gums that look red, puffy, or feel tendermild
Seeing blood when you brush or flossmild
Gums look like they're shrinking away from your teethmoderate
Bad breath that just won't go awaymoderate
Teeth feeling a little loose or like they've movedsevere
Your bite feels different, like your teeth don't fit together the samesevere

When to See a Dentist Urgently

While this information helps you understand your condition, it does not replace professional dental care. See a dentist as soon as possible if:

  • If your gums bleed pretty much every time you brush.
  • You look in the mirror and notice your gums are pulling back.
  • You've got bad breath that isn't fixed by brushing or mouthwash.
  • A tooth feels wobbly or has shifted.
  • You see any pus coming from between your teeth and gums. (Definitely see a dentist for that!)
  • It hurts when you chew your food.

What to Do Today

1

Brush gently along the gumline with a soft-bristle toothbrush twice a day.

2

Start flossing daily to remove plaque your toothbrush cannot reach.

3

Book a dental cleaning to remove tartar buildup that causes gum inflammation.

Questions to Ask Your Dentist

What stage is my gum disease, gingivitis or periodontitis?

Do I need a deep cleaning (scaling and root planing)?

Has there been any bone loss around my teeth?

What daily routine changes will help my gums heal?

How often should I schedule cleanings going forward?

Key Takeaways

Gum disease is the #1 reason adults lose teeth, but you can completely reverse the early stages.

Bleeding gums are never normal. Think of it as a warning sign.

If you smoke, quitting is the single best thing you can do for your gum health.

Using DentaSmart helps you keep an eye on your gums so you can catch problems before they get serious.

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