Although the tooth is hard, but when encountering hard objects or impact will also appear cracks and other situations, once the tooth cracks need to be repaired in a timely manner to avoid cracks continue to grow larger, there are several ways to repair the tooth crack, 1, porcelain crown repair: there are many reasons for tooth cracks, if it is because of tooth decay or dead pulp teeth and other reasons caused by a large area of tooth loss, you can use this way to repair, after repair does not It does not affect the normal use of teeth. 2, nano material filling: if the crack is relatively small can choose this kind of material filling, the relative effect is good, if the economic situation does not allow can also choose the general resin filling, the effect is good. 3.Activated denture repair: If the crack is right in the middle of the tooth, and at the same time there is pain and swelling, etc., you generally need to choose to extract the tooth, after the extraction can choose the movable denture to help repair. 4, adjust the tooth treatment: just simply have a crack, without any discomfort can choose this type of treatment, can prevent the tooth crack will not continue to deepen. It is best to carry out the relevant treatment after the doctor has confirmed the diagnosis of the cracked tooth, to avoid the crack continues to become larger and lead to loss of tooth function and other situations.