作者应用橡皮障技术对一患者做常规根管治疗后,在用5.25％的次氯酸钠冲洗腭侧根管时患者觉得喉部有次氯酸钠味,于是冲洗口咽部并吸出口咽部的液体。确信橡皮障是绝对密封后,再次冲洗,患者觉出同样的味道,同时在他的右鼻孔里看见了清亮的液体。患者诉说右上颌窦有不断加重的拥塞和轻度的灼热感。口内口外未见水肿,根管内也没有任何出血的征象。 处理:用30 ml的蒸馏水通过腭侧根管冲洗上颌 After applying conventional techniques of dampening to a patient undergoing root canal therapy, the patient feels a sodium hypochlorite odor in the larynx while flushing the palatal root canal with 5.25% sodium hypochlorite, thus rinsing the oropharynx and aspirating the oropharyngeal fluid. Make sure the dam is absolutely sealed, flush again, the patient feels the same, and sees a clear liquid in his right nostril. Patients complained of right maxillary sinus with increasing congestion and mild burning sensation. No edema in the mouth outside the mouth, there is no sign of bleeding within the root canal. Reprocessing: Rinse the upper jaw through the palatal root canal with 30 ml of distilled water