我科门诊于1998年9月18日收治1例左上颌窦内缝衣针患者。报告如下。患者，男，18岁，3天前因左上牙不适，自用缝衣针剔牙，不慎将整个缝衣针刺人“左上牙”中。当时因伯父母责备，未作任何处理，今困面肿而来我科就诊。检：全身一般状况良牙残根、死髓牙，根管口可见血迹，未见 Our clinic in September 18, 1998 admitted to a case of left maxillary sinus in patients with needle. The report is as follows. Patient, male, 18 years old, 3 days ago because of the upper left tooth discomfort, self-use needle stitches, accidentally the entire needle stabbed people “upper left tooth”. At that time, due to uncle’s blame, did not make any treatment, now sleepy swollen face to our department. Check: the general condition of the body good tooth root, dead marrow, root canal visible blood, no