疼(teng)(teng)(teng)痛(tong)(tong)(tong)是其主要表(biao)現(xian)，表(biao)現(xian)為劇烈的難以(yi)忍受的疼(teng)(teng)(teng)痛(tong)(tong)(tong)，疼(teng)(teng)(teng)痛(tong)(tong)(tong)的性(xing)質有以(yi)下特點：自發(fa)(fa)性(xing)疼(teng)(teng)(teng)痛(tong)(tong)(tong)，陣發(fa)(fa)性(xing)加劇，呈(cheng)間(jian)(jian)(jian)歇性(xing)發(fa)(fa)作，在無外界任何刺激(ji)(ji)的情況(kuang)下，患牙(ya)發(fa)(fa)生劇烈疼(teng)(teng)(teng)痛(tong)(tong)(tong)，早期(qi)(qi)(qi)(qi)疼(teng)(teng)(teng)痛(tong)(tong)(tong)發(fa)(fa)作時(shi)(shi)(shi)間(jian)(jian)(jian)短，緩解(jie)時(shi)(shi)(shi)間(jian)(jian)(jian)較(jiao)長(chang)，隨(sui)著(zhu)病(bing)情發(fa)(fa)展，晚(wan)期(qi)(qi)(qi)(qi)則疼(teng)(teng)(teng)痛(tong)(tong)(tong)發(fa)(fa)作時(shi)(shi)(shi)間(jian)(jian)(jian)長(chang)，緩解(jie)時(shi)(shi)(shi)間(jian)(jian)(jian)較(jiao)短，乃至(zhi)最后(hou)無緩解(jie)期(qi)(qi)(qi)(qi)；夜間(jian)(jian)(jian)疼(teng)(teng)(teng)痛(tong)(tong)(tong)比白天(tian)重(zhong)，特別是平臥時(shi)(shi)(shi)更(geng)顯著(zhu)；早期(qi)(qi)(qi)(qi)冷、熱刺激(ji)(ji)均(jun)可(ke)引起疼(teng)(teng)(teng)痛(tong)(tong)(tong)加重(zhong)，晚(wan)期(qi)(qi)(qi)(qi)冷刺激(ji)(ji)不(bu)(bu)但不(bu)(bu)激(ji)(ji)發(fa)(fa)疼(teng)(teng)(teng)痛(tong)(tong)(tong)，反而使疼(teng)(teng)(teng)痛(tong)(tong)(tong)暫時(shi)(shi)(shi)緩解(jie)，故臨床常見患者口含冷水(shui)或吸冷氣以(yi)減輕(qing)疼(teng)(teng)(teng)痛(tong)(tong)(tong)，民(min)間(jian)(jian)(jian)常說(shuo)“不(bu)(bu)是病(bing)，痛(tong)(tong)(tong)起來要人(ren)命”，就是指急性(xing)晚(wan)期(qi)(qi)(qi)(qi)（化膿期(qi)(qi)(qi)(qi)）的癥狀；再者，疼(teng)(teng)(teng)痛(tong)(tong)(tong)不(bu)(bu)能定位，常沿三叉神經分布區向同側上(shang)、下頜牙(ya)齒及臨近部位放射，患者常不(bu)(bu)能指出病(bing)牙(ya)的準(zhun)確位置(zhi)。

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