Once tartar has formed on your teeth, you cannot remove it at home. Tartar (also called calculus) is mineralized plaque that bonds to tooth enamel so firmly it requires professional dental instruments to scrape away. What you can do at home is remove plaque before it hardens and slow new tartar from forming between dental visits.
Why Tartar Can’t Be Brushed Away
Tartar starts as plaque, the soft, sticky film of bacteria that builds up on your teeth throughout the day. If plaque isn’t cleaned off, minerals in your saliva begin crystallizing it into a hard deposit. This process can begin in as little as four to eight hours, though full mineralization typically takes 10 to 12 days. Once that calcium phosphate shell hardens, no toothbrush, mouthwash, or home remedy can break it loose. The deposit is essentially rock fused to your tooth surface.
This is why consistent daily brushing matters so much. You have a narrow window to remove plaque while it’s still soft. Miss that window repeatedly, and the buildup becomes permanent without professional help.
What Happens at a Professional Cleaning
A standard dental cleaning removes tartar above the gumline using hand-held metal scalers or ultrasonic instruments that vibrate at high frequencies to break deposits free. Your hygienist works methodically around each tooth, scraping off visible tartar and polishing the surface afterward. Most people need this every six months, though your dentist may recommend more frequent visits if you tend to build up tartar quickly or have signs of gum disease.
If tartar has spread below the gumline, you may need a deeper procedure called scaling and root planing. This involves numbing your gums with local anesthesia, then cleaning tartar from both the tooth surface and the root underneath the gum tissue. The root is then smoothed down so the gum can reattach more tightly. This procedure is typically done in two visits, one side of the mouth at a time, and your gums may feel tender for a few days afterward.
Why At-Home Scrapers Are a Bad Idea
Metal dental scalers are widely sold online, and it’s tempting to try scraping tartar off yourself. This carries real risks. Without training, you can scratch your enamel (leading to permanent sensitivity), cut or tear gum tissue (which can cause gum recession), and injure your cheeks or tongue. Worse, you can accidentally push tartar beneath the gumline, trapping bacteria and potentially causing an abscess or infection. Dental hygienists train for years to use these tools safely. The few dollars saved aren’t worth the potential damage.
What Tartar Does to Your Gums Over Time
Tartar itself isn’t directly toxic to gum tissue. Its real danger is that it creates a rough, porous surface where bacterial plaque accumulates and can’t be cleaned off. Research has shown that removing calculus improves periodontal health significantly more than removing plaque alone, precisely because plaque can’t be adequately cleared when tartar is in the way. The bacteria trapped against your gums trigger inflammation.
That inflammation starts as gingivitis: red, swollen gums that bleed when you brush. Gingivitis is fully reversible with proper cleaning. But if tartar continues to build, especially below the gumline, the infection can progress to periodontitis. At that stage, the attachment between your tooth and the surrounding bone begins to break down, forming pockets that deepen over time. Periodontitis is irreversible and is a leading cause of tooth loss in adults.
How to Prevent New Tartar From Forming
Since tartar is just hardened plaque, prevention comes down to removing plaque before it mineralizes. Brush twice a day for two full minutes, angling your bristles toward the gumline where plaque tends to collect. An electric toothbrush with a small, round head is particularly effective at disrupting plaque in hard-to-reach spots. Floss daily, focusing on the tight spaces between teeth and just under the gumline where your brush can’t reach.
Tartar-control toothpastes offer a measurable extra layer of protection. Most contain pyrophosphates, compounds that bind to calcium ions in your saliva and prevent them from depositing onto plaque. Essentially, they block the mineralization step that turns soft plaque into hard tartar. Some formulas also include zinc citrate, which works differently: it competes with calcium on the surface of forming crystals, disrupting their growth while also slowing plaque accumulation. Neither ingredient removes existing tartar, but both can meaningfully slow new buildup between cleanings.
A few other habits make a difference. Drinking water after meals helps rinse away food particles and dilute the acids that feed plaque bacteria. Limiting sugary and starchy snacks reduces the fuel supply for those bacteria. And if you smoke, know that tobacco use accelerates tartar formation and makes gum disease progress faster.
Where Tartar Builds Up Fastest
Tartar doesn’t form evenly across all your teeth. It accumulates most heavily near your salivary glands, because saliva supplies the calcium and phosphate minerals that harden plaque. The two hotspots are the inside surfaces of your lower front teeth (near the glands under your tongue) and the outer surfaces of your upper molars (near the glands in your cheeks). Pay extra attention to these areas when brushing and flossing, and ask your hygienist to show you if you’re missing them.
Some people are simply more prone to tartar than others, regardless of how well they brush. Saliva chemistry varies from person to person. If your saliva is more mineral-rich or more alkaline, plaque hardens faster. This is why some people develop visible tartar within weeks of a cleaning while others stay relatively clear for months. If you’re a heavy tartar former, cleanings every three to four months may be more appropriate than the standard six-month schedule.