If the patient is healthy, the scaling is only for the cleaning of the gingival sulcus, this gap is the normal physiological gap, there is no need to deal with, that is to say, the original some tartar blocked the normal gap, after the scaling tartar removal gap exposed, this is a normal phenomenon, there is no need to deal with. If the patient is suffering from periodontitis, the gap between the teeth becomes obviously bigger after scaling, for this situation, we should first check whether the periodontitis is controlled, simple scaling can not completely control periodontitis, but also need to combine subgingival scaling, root surface leveling, if necessary, you can apply drugs to control periodontitis at the same time, periodontitis control can be applied orthodontic methods to close the gap as far as possible.