顾某某、男、22岁,以颏下部经常肿胀流脓来诊,二个月前曾在他处行“瘘管搔刮术”但仍流脓不愈。检查见颏部皮肤稍红,中间有一瘘管口流少量稀脓。(?)园锥形畸形并向近中扭转,舌面窝处有条裂隙,牙体色泽正常,牙无叩痛,牙龈无红肿。牙髓活力 Gu Moumou, male, 22 years old, often has a swelling and pus in the submental area. Two months ago, he was in charge of “fistula scraping surgery” but still had an abscess. Check see chin a little red skin, the middle of a small amount of fistula mouth purulent. (?) Park conical deformity and to the near reverse, tongue fissure at the fissure, normal tooth color, no pain in the teeth, no swelling of the gums. Endodontic vitality