A receding gum line is usually the result of very simple misdemeanors such as excessively rough brushing of the teeth and generally poor oral care. In a lot of cases, after about the age of 50 years or so, this is a fairly normal phenomenon. It is also not a glaring visual so as to be noticed as a problematic thing. Instead, gums recede gently and slowly and will usually adapt to the shape of the face as it ages as well. Really severe cases are the ones where the rim of the tooth can be felt where the gum begins. In such cases, there is really nothing that can be done except to resort to invasive dental methods to control this. If you notice that the gum line is receding slowly or has just begun to recede, then you would need to take a better look at your own oral hygiene practices. It may be possible to stop this recession; however, it may not always be possible to reverse it. In order to even stop further recession of the gums, it is always good to tackle the cause. In order to do this, it is also important to know the cause. If severely hard brushing has caused recession of the gum line, then this needs to be stopped at once. Use a soft bristle toothbrush which will have a gentler effect on the teeth. Try not to use inorganic toothpaste, particularly that which promises more whitening effects. These are the types of toothpastes which can actually work towards slowly eroding the gum line.
Apart from this basic and extremely rudimentary measure, there is very little you can do to reverse the process of a receded gum line. In order to stop this phenomenon, add more calcium to the diet. This will help by strengthening the teeth. At this point, this would be the best thing you would be able to do for your gums too. Apart from this, it is also important to maintain good oral hygiene with practices such as rinsing the mouth after each meal. These are the simple yet effective methods that do not allow plaque to build up on teeth and therefore prevent erosion due to plaque and tartar build up. These are also significantly important causes for periodontal diseases that result in receding gum lines. If you are over the age of 50 years, there is very little that can be done.