Eating nutrient-rich foods on a regular basis will help maintain healthy gums, and if inflammation exists in the gums, antibiotics such as metronidazole can be taken. If the gums have receded, they are usually not recoverable. The health of the gums depends on the health of the whole body, so you can eat more nutritious food, such as fresh vegetables rich in vitamin C, protein-rich foods such as chicken. In addition, if there is inflammation in the gums, it is easy to cause recession of the gums, you can take antibiotics such as metronidazole to alleviate the inflammation, in addition to timely scaling to remove stones. If the gums have already existed recession phenomenon, this time can not be restored, should be timely treatment of periodontitis and other diseases that cause recession of the gums. If there are abnormal gums, go to the hospital in a timely manner, the use of the above drugs should follow the doctor’s instructions.