1 临床资料 患者,男,19岁,入伍两月新战士。右下后牙痛、吞咽疼痛伴渐进性张口受限一月余,偶有右侧阵发性耳鸣及头痛,右颌下可触及包块。曾在原单位诊断智齿冠周炎,治疗无效入院。入院后全身检查基本正常,轻度慢性消耗征。专科检查:面部右颧颞部略显丰满,张口度不足一指,张口时下颌轻度左偏,垂直阻生, 1 clinical data patients, male, 19 years old, enlisted two months new soldiers. Right lower back toothache, swallowing pain with progressive restriction of the mouth more than a month, occasional paroxysmal tinnitus and headache on the right side, right under the palpable mass. In the original unit diagnosis of wisdom teeth pericoronitis, treatment ineffective admission. After admission, the general examination of the body is normal, mild chronic consumption sign. Specialist examination: the right facial zygomatic temporal slightly slightly plump, mouth less than one means, mouth when the mouth mild left deviation, vertical occlusion,