You get rid of dental plaque by physically disrupting it with a toothbrush and cleaning between your teeth daily. Plaque is a soft, sticky film of bacteria that forms on your teeth within hours of eating. The good news: because it’s soft, you can remove nearly all of it at home with the right technique. The catch is that plaque you miss can start hardening into tartar in as little as one day, and tartar can only be removed by a dental professional.
Why Timing Matters
Plaque begins forming on your teeth almost immediately after you clean them. Bacteria in your mouth attach to tooth surfaces, multiply, and build a sticky biofilm layer. This film is soft enough to wipe away with a toothbrush or floss. But if it sits undisturbed, minerals in your saliva cause it to calcify. This process starts within one to 14 days and reaches 60 to 90 percent calcification by day 12. Once plaque hardens into tartar (also called calculus), no amount of brushing will remove it. That’s why consistent daily cleaning is the single most important thing you can do for your teeth.
Brushing Technique That Actually Works
Most people brush their teeth, but many miss the areas where plaque does the most damage: right along the gum line. The technique dentists recommend most often is called the Modified Bass method. Hold your toothbrush at a 45-degree angle so the bristles point toward your gums, then make short back-and-forth strokes. After a few strokes, sweep the brush away from the gum line toward the biting edge of the tooth. This combination loosens plaque from the small crevice where your gum meets the tooth, then sweeps it away.
A few details that make a real difference: use a soft-bristled brush, spend at least two minutes covering all surfaces, and don’t press hard. Aggressive scrubbing can damage your gums without removing any more plaque. Electric toothbrushes with oscillating or sonic heads can make proper technique easier, since they generate thousands of micro-movements per minute. Replace your brush head every three months or when the bristles start to fray, whichever comes first.
Cleaning Between Your Teeth
Your toothbrush can’t reach the tight spaces between teeth, which is exactly where plaque loves to build up. Cleaning these surfaces daily is not optional if you want plaque-free teeth. You have two main options: traditional string floss and small interdental brushes (the tiny bottle-brush-shaped picks you can find at any pharmacy).
Research comparing the two found that interdental brushes removed significantly more plaque than floss and led to greater reductions in gum pocket depth. The likely reason is that the bristles of an interdental brush conform to the irregular shapes between teeth, while floss only contacts a narrow strip of each surface. That said, interdental brushes don’t fit into very tight gaps. If floss is the only tool that fits between your teeth, it’s far better than skipping interdental cleaning entirely. For most people, using the smallest interdental brush that fits comfortably is the more effective choice.
Choosing the Right Toothpaste
Any fluoride toothpaste helps protect against cavities, but not all formulas fight plaque equally. Toothpastes containing stannous fluoride have an edge over those with sodium fluoride when it comes to reducing plaque and gum inflammation. A three-month clinical trial found that a stannous fluoride toothpaste produced significantly greater reductions in plaque buildup, gum inflammation, and bleeding compared to a standard sodium fluoride paste. Stannous fluoride has antibacterial properties that actively inhibit the bacteria forming the plaque film, rather than just strengthening enamel.
If you’re seeing plaque buildup despite regular brushing, switching to a stannous fluoride toothpaste is a simple upgrade. Look for it on the active ingredients label. One minor tradeoff: stannous fluoride can sometimes cause mild tooth staining, though newer formulations have largely addressed this.
How Sugar Fuels Plaque Growth
Plaque bacteria feed on sugars in your mouth, but sucrose (table sugar) is uniquely harmful. When certain oral bacteria encounter sucrose, they don’t just eat it for energy. They also use it to manufacture a sticky, water-insoluble glue that cements the bacterial colony more firmly to your teeth. This glue makes the plaque thicker, stickier, and harder to remove. It also creates a porous structure that allows more sugary liquid to seep through to the enamel surface beneath, where acid does its damage.
This means reducing sugar intake, especially sugary drinks and snacks consumed throughout the day, directly slows plaque accumulation. Frequency matters more than total amount. Sipping a sugary coffee over three hours gives bacteria a continuous supply of building material, while drinking it in ten minutes and rinsing with water limits the exposure. Starchy, refined carbohydrates break down into sugars quickly and have a similar effect, though sucrose remains the worst offender.
Your Saliva Is Already Helping
Your body has a built-in plaque defense system: saliva. It’s about 98 percent water, but the remaining 2 percent includes calcium, phosphate, and bicarbonate, all of which work against plaque. Bicarbonate neutralizes the acids that plaque bacteria produce after feeding on sugar. Calcium and phosphate help repair early mineral loss on tooth enamel before it becomes a cavity. Saliva also physically washes bacteria and food debris off tooth surfaces.
Anything that reduces saliva flow, such as mouth breathing, certain medications (antihistamines, antidepressants, blood pressure drugs), or dehydration, gives plaque a major advantage. Staying hydrated and chewing sugar-free gum after meals can stimulate saliva production and help keep plaque acids in check between brushings.
Does Oil Pulling Work?
Oil pulling, the practice of swishing coconut or sesame oil in your mouth for 10 to 20 minutes, has gained popularity as a natural plaque remedy. The clinical evidence is not encouraging. A meta-analysis of nine randomized controlled trials found no significant difference in plaque levels or gum health between people who practiced oil pulling and those who didn’t. Oil pulling may slightly reduce bacterial counts in saliva, but it does not appear to remove plaque from tooth surfaces. It’s not a substitute for brushing and flossing.
Professional Cleanings for What You Miss
Even with excellent home care, most people accumulate some tartar over time, particularly behind the lower front teeth and along the outer surfaces of upper molars, where saliva glands release mineral-rich fluid. A dental hygienist uses specialized instruments to scrape away hardened deposits that your toothbrush can’t touch. For most people, a cleaning every six months keeps tartar from building up enough to cause gum disease. If you already have significant buildup or early gum disease, your dentist may recommend more frequent visits or a deeper cleaning below the gum line.
Between professional visits, the daily routine is straightforward: brush twice a day with proper angle and technique, clean between your teeth once a day with floss or interdental brushes, limit how often sugar sits in your mouth, and stay hydrated. Plaque never stops forming, but keeping ahead of it before it hardens is entirely within your control.