Tooth decay occurs when we eat too many sweet and processed foods and do not consume enough vitamins and minerals. You should follow oral hygiene to prevent tooth decay and keep your mouth free of bacteria. If bacteria are allowed to remain the mouth, it may lead to developing cavities. You should visit your dentist for regular oral exam which may help prevent tooth problems. You r dentist can spot cavities early and suggest remedial actions well in time. Many people are vulnerable to tooth decay due to one or the other medical conditions. Your dentist will recommend suitable mouth rinses or other antibacterial treatments to help keep your dental health in optimum condition. You should maintain a strong body by taking balanced diet daily as strong teeth is produced by a strong body. Strong tooth resists decay. You should also brush your teeth twice daily as oral hygiene is very important to prevent tooth decay.