The teeth at the front of your jaw are easy to clean because they are smooth. Because of their plane surface, food doesn’t get stuck on them. And even if it does, it can be removed easily through brushing and flossing. Even plaque and stains can be removed by regular brushing and flossing.
But the molars at the back of the jaw have rough and uneven surface and food easily gets stuck between them. These teeth are hard to clean so the risk of developing tooth decay or cavities is higher than the smooth teeth at the front.
The solution to this problem is ‘dental sealants’. Dental sealants are a coating of plastic that is used to cover the chewing areas in the mouth. This coating on the teeth protects the teeth from the growth of cavity-causing bacteria that cause decay your teeth. Sealants are one of the most useful service in preventive dentistry.