Over time, as you age, the enamel of the teeth begin to fade and this leads to discoloration of the teeth, which is also called as spots on the teeth. Here teeth appear to have a yellow stain on them with obvious marks on the teeth, especially with people who tend to smoke or consume a large amount of nicotine. However, there are plenty of solutions for home and available resources to handle this problem.
Here are amazing and quick remedies for teeth stained
1. Sodium Bicarbonate
This is one of the highly recommended for people who have stained teeth tends to be yellowish over time. You have to take a little baking soda in hand and then use it as a toothpaste is used. Rub well into the teeth in the front and the back and let it stay for a while. Adding some water to the powder would help too. Now do this twice a day to get rid of the yellow stains from teeth. 
2. Strawberries have
Another sensible way to get rid of the problem of stained teeth munching on strawberries over. Basically strawberries are rich in a compound that not only help dissolve stains teeth, but also fight enamel stains that occur with age. Together they help in the fight against this problem. The ideal is to have about 6 strawberries a day to get the benefit, but do not forget to floss post-it like seeds can enter their molars. 
3. Orange peel
This is a bit strange, but it really works. You are probably aware of the benefits of orange and lemon for skin brightening. Now you can lighten your teeth color by rubbing the white part of the orange peel on the teeth. If done on a regular basis would help eliminate the problem of stained enamel and will also provide whiter and brighter teeth. Besides this really helps in the fight against a problem other teeth as well. 
4. Avoid caffeine and colas
There are some foods that make the problem worse stained teeth and these include caffeine along with colas and also the tea and coffee. These are foods that tend to leave a mark on the teeth and lead to eventual discoloration. However, to avoid them on a regular basis or even making sure the teeth after brushing have these items, you can drastically reduce the risk of tooth staining. 
5. Stopping smoking
Quitting smoking is another great way to get rid of stains on the teeth. Remember that you have nicotine in cigarettes is an important way of problem when it comes to tooth discoloration or stains. You have to make sure you completely get rid of your smoking or otherwise no mater what remedy you try, you will not be able to get rid of this problem. 
6. Use a straw
may seem quite unusual and unconventional, but this is a remed really helps to ensure that your teeth will not fade or dyed so fast. The simple logic here is that when you are having tea or coffee or even a cola-based drink using a straw, the teeth are not being affected by the liquid. At least not directly. As a result, you are able to reduce the constant damage being caused to the teeth. 
7. Rinse your mouth after meals
As a general rule, make sure to rinse your mouth every time after having something. This is very important for people who like to have more frequent meals throughout the day. Doing so would help you get rid of the problem of stained teeth much faster.