Teething can take calcium carbonate, calcium and magnesium tablets, calcium lactate and so on. Specifically recommended to go to the hospital after examination, according to the doctor’s instructions to use calcium tablets. 1. Calcium carbonate. It is used to improve the symptoms of excessive sweating, crying at night, shortness and incomplete growth of teeth due to lack of calcium, etc. It is easy to be absorbed and suitable for infants and children. 2. Calcium and magnesium tablets. It is a combination of calcium, magnesium and other mineral elements extracted from plants. Calcium and magnesium are involved in many of the body’s functional reactions, are easily absorbed by the body, and regulate the balance of various substances in the body. When you take this type of calcium tablets when you are growing teeth, the effect of calcium supplementation will be better. 3. Calcium lactate. Organic calcium, high calcium content, good absorption, high solubility and speed, high bioavailability, suitable for all people. It should be noted that small children in the period of tooth replacement, do not supplement excessive calcium, excessive calcium will affect the normal growth and development of bones, should maintain oral hygiene, a balanced diet, appropriate increase in nutrition.