智齿骨内埋伏阻生较为常见,但埋伏于离开牙列较远的下颌骨升枝部及喙突区并不多见,现介绍3例。例1:孟××,女,35岁。右下后牙疼痛,颊部肿胀,继之颊部皮肤瘘管,反复溢脓半年。检查:右耳垂前3cm处皮肤瘘道,深2.5cm,可触及粗糙骨面,少量脓液。开口度2cm,口内8缺失。X线片见 Embryonic occlusion of wisdom teeth is more common, but the ambush in the mandibular branch away from the dentition and the coracoid area is rare, are introduced in 3 cases. Example 1: Meng × ×, female, 35 years old. Right lower back pain, cheek swelling, followed by cheek skin fistula, repeated pus six months. Check: 3cm before the right earlobe skin fistula, deep 2.5cm, accessible to the rough bone surface, a small amount of pus. Opening 2cm, mouth 8 missing. X-ray see