The short course of the disease, small lesions of the apical granuloma can not be felt, the long course of the disease, the scope of the lesion can be felt in the apical part of the gingiva, as follows. 1. Short duration, small lesions of apical granuloma: granulation tissue to replace the normal periapical tissues, can be the size of green beans, X-ray can be seen in the apical area of the periodontal gap widening, at this time, generally can not be felt. 2. Long duration of the disease, large scope of the disease apical granuloma: granulation tissue can replace the bone tissue, X-ray examination can be seen in the apical area of the clear boundaries of the round projection, if the granuloma is partial tongue or buccal side, can be felt in the corresponding position of the gums. If the diagnosis of apical granuloma is confirmed, it is recommended to go to the hospital in time to receive regular treatment as soon as possible.