Tooth decay is a major problem and it occurs when foods containing carbohydrates (sugars and starches), such as bread, cereals, milk, soda, fruits, cakes, or candy are left on the teeth creating Bacteria.
Bacteria that live in the mouth digest these foods, turning them into acids and get stuck to your teeth. This bacteria, acid, food debris, and saliva present in the mouth create decay and get clung to the teeth. The acids in plaque causing the decay to dissolve the enamel surface of the teeth and also create holes in the teeth called cavities.
Here are a few ways to prevent tooth decay:

Brush your teeth at least twice a day with a toothpaste that contains fluoride content. It’s preferable to brush after each meal, especially before going to bed.

Clean between your teeth every day. Utilizing dental floss or cleaners. Flossing is an extraordinary method to manage them in the middle of the teeth and clean it.

Wash day by day with a fluoride-containing mouthwash. A few flushes additionally have sterile fixings to help eliminate microbes that cause plaque.

Eat nutritiously and adjust foods and breaking point snacks. Evade carbs like sweets, pretzels, and chips, which can stay on the tooth surface. If tacky nourishments are eaten, brush your teeth soon a while later.

Check with your dental specialist about the utilization of supplemental fluoride, which fortifies your teeth.

Get some information about dental sealants applied to the biting surfaces of your back teeth (molars) to shield them from rot.

Drink fluoridated water. In any event, 16 ounces of fluoridated water every day is expected to shield kids from the tooth root.

Visit your dental specialist consistently for proficient cleanings and oral tests.