Plaque vs. Tartar: What’s the Difference and Can You Remove Tartar at Home?
Plaque is a soft film you can brush away; tartar is hardened plaque that needs a professional cleaning. Learn the differences, gum risks and how to prevent buildup.
You run your tongue across your teeth and feel a rough, hard patch near the gumline that brushing does not seem to touch. That is often tartar, and it is different from the soft film called plaque that forms on teeth every day. Knowing which is which matters, because plaque can be brushed away at home while tartar generally cannot. Here is how they differ, what tartar can do to your gums, and what actually helps.
Quick answer
- Plaque is a soft, sticky film of bacteria. Brushing and cleaning between teeth removes it.
- If plaque stays, minerals in saliva can harden it into tartar (also called calculus), often within a day or two.
- Tartar is firmly attached and is removed by a dental professional with scaling, not by brushing.
- Tartar can irritate gums and contribute to gum disease, so it is worth treating early.
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What Is Plaque?
Plaque is a thin, sticky biofilm made of bacteria, food particles and saliva. It starts building up again within hours of brushing, which is why daily cleaning matters. Bacteria in plaque produce acids from sugars and starches, and those acids can lead to cavities. Plaque is often colorless or pale yellow, so you may not see it, but you can feel a fuzzy or slick coating on your teeth when it has built up.
What Is Tartar?
Tartar is plaque that has hardened (mineralized). It can form above the gumline, where you can see it, and below the gumline, where you usually cannot. It tends to be yellow or brown, rough to the tongue, and commonly collects behind the lower front teeth and on the outer surfaces of the upper back teeth, near where the salivary glands open. Smoking and some foods and drinks can make it look darker.
Plaque vs. Tartar: Key Differences
| Plaque | Tartar (calculus) | |
|---|---|---|
| Texture | Soft, sticky film | Hard, rough deposit |
| Color | Clear to pale yellow | Yellow, tan or brown |
| Removed by | Brushing and cleaning between teeth | Professional scaling at the dentist or hygienist |
| Main risk | Cavities and gum inflammation | Gum irritation and a rough surface that holds more plaque |
Why Tartar Matters for Your Gums
Tartar itself is not the bacteria, but its rough surface gives new plaque an easy place to cling, and it can sit against the gums. The bacteria in that plaque can cause gingivitis: red, swollen gums that may bleed when you brush or floss. Gingivitis is usually reversible with better cleaning and a professional cleaning. If it is left alone, it can progress to periodontitis, a more serious gum infection that can damage the tissue and bone supporting the teeth. See our guides on whether gingivitis can be reversed and bleeding gums when flossing.
Can You Remove Tartar at Home?
Not safely. Once plaque has hardened, a toothbrush and floss cannot lift it off. The professional treatment is called scaling (part of a dental cleaning): a dentist or hygienist removes tartar with hand instruments or an ultrasonic scaler, including below the gumline if needed. If you have a lot of buildup or gum disease, you may be advised to have a deeper cleaning.
What to Avoid
- Scraping with metal tools or “tartar scrapers.” It is easy to scratch enamel or injure the gums, and you cannot see below the gumline.
- Acidic remedies such as vinegar or lemon juice. Acid can wear down enamel, and there is no good evidence it dissolves tartar safely.
- Abrasive pastes used often. Harsh scrubbing, including with baking soda, can wear away enamel and irritate gums. Ask your dentist before using any home paste regularly.
How to Prevent Plaque From Turning Into Tartar
- Brush twice a day for two minutes with fluoride toothpaste, paying attention to the gumline and the backs of the lower front teeth.
- Clean between your teeth once a day with floss, interdental brushes or a water flosser, because a toothbrush cannot reach those spaces. Our cordless water flosser guide may help if string floss is hard for you.
- Consider a tartar-control toothpaste. These can help reduce new buildup on the teeth, but they do not remove tartar that is already there. Look for the ADA Seal of Acceptance. See our toothpaste for gingivitis picks.
- Limit sugary snacks and drinks, and do not sip them all day.
- Do not smoke or use tobacco. It is linked with more buildup and a higher risk of gum disease.
- Get regular dental cleanings. Some people form tartar faster than others, so ask your dentist how often you should come in.
When to See a Dentist
- Hard yellow or brown deposits you cannot brush off
- Gums that bleed easily, look swollen or have pulled away from the teeth
- Persistent bad breath or a bad taste
- Loose teeth, pus around the gums, or pain when chewing, which need prompt attention
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What is the difference between plaque and tartar?
Plaque is a soft, sticky bacterial film you can remove by brushing and flossing. Tartar is plaque that has hardened and can only be removed by a dental professional.
How fast does plaque turn into tartar?
It varies from person to person, but plaque left on the teeth can begin to harden in as little as a day or two. That is one reason daily cleaning between the teeth matters.
Can tartar be removed with baking soda or vinegar?
There is no reliable evidence that these remove tartar, and acidic or abrasive remedies can damage enamel and gums. Professional scaling is the safe way to remove it.
Does tartar-control toothpaste remove tartar?
No. It can help slow new tartar from forming, but it will not remove tartar already on your teeth.
Is tartar removal painful?
Most people feel pressure or mild sensitivity, especially if the gums are inflamed. Tell your hygienist if you are uncomfortable, and ask about options to make the visit easier.
This article is for general education only and is not a substitute for professional dental advice. See your dentist for personal diagnosis and treatment.
Sources: American Dental Association (MouthHealthy) pages on plaque, brushing and cleaning between teeth; National Institute of Dental and Craniofacial Research (NIDCR), information on gum disease.
