How can I make my teeth are whiter?

How can I make my teeth are whiter?
Thorough cleaning done by your dentist will remove most stains caused by external food and tobacco. Using a whitening toothpaste can also help remove these surface stains between visits with your practitioner. If stains have existed for many years, only your dentist may, perhaps, make them disappear. The spots may be internal bleaching, the technical aspect or the laying of wreaths. Each method is safe and effective and your dentist will advise the treatment for you depending on the state of your teeth and the result you would like.
What is the action of food on my oral health? 
In addition to the considerable pressure on your overall health, good nutrition is an essential part of dental health and gum. A well balanced diet provides your teeth and gum tissue, nutrients and minerals needed to stay healthy and resistant to infection because of gum disease. In addition, consistent and fibrous foods such as fruits and vegetables help to clean teeth and tissues. The soft and sticky foods tend to stay in the cracks and between the teeth and produce more plaque. Each time you ingest food and drink containing carbohydrates or starches, the bacteria in plaque produce acids that attack your teeth for 20 minutes or more. To reduce such damage your tooth enamel, limit the snacks and drinks between meals. If you Snack between meals, choose nutritious foods such as cheese, raw vegetables and yogurt or fruit nature.