牙齿做了根管治疗为什么还会痛？

{"ans_list":[{"answer":"牙齿做了根管治疗还痛多数是由于牙髓没有清理干净的原因导致。所以在做牙齿根管治疗的时候，最好是选择正规医院进行操作，以免会在操作过程中，疏忽一些细节导致出现一些后遗症，牙齿在做了根管治疗之后，还有疼痛的情况，需要进行二次清除。","doctor":{"department":"口腔科","id":"241217","img":"http://p9-tt.byteimg.com/img/labis/5b98257f07966b3089a9597ea563451c~tplv-obj.jpg","name":"李翠","title":"主治医师","toutiao_id":""},"hospital":{"logo":"","name":"中南大学湘雅三医院","rank":"三甲"},"publish_date":"2019-10-20","pv":"400","tag":null}],"authorize":"N","create_time":"1571536316","description":"","id":"jiankang_6748819852166693134","kamp":"true","modify_time":"1571536316","origin_url":"https://mask.jiankang.com/fb/mip/137025114.html","related_diseases":"","score":"100","source":"名医健康课堂","source_img":"http://p9-tt.byteimg.com/img/labis/353c388734eeadf52a9a3d93a09a47b5~tplv-obj.png","source_url":"https://www.toutiao.com/c/user/1411422371974711/","specialized":"specialized","subtype":"qa_text","title":"牙齿做了根管治疗为什么还会痛？","type":"medical","url":"https://c.pstatp.com/scene/medical/medical_text/jiankang_6748819852166693134"}