乳牙在一定的年龄内担负着咀嚼功能,若过早缺失,可导致恒牙萌出的紊乱,造成以后的牙颌畸形。目前,在国外常采用甲酚醛或戊二醛作乳磨牙的牙髓切断后用药,但由于药物性能不够理想和操作的繁琐,影响此项治疗的开展。因此,我们在临床上试用戊二醛来治疗乳磨牙的慢性牙髓炎,行牙髓失活,一次完成 Deciduous teeth in a certain age bear the chewing function, if too early loss can lead to permanent eruption of the disorder, resulting in the future of dental deformities. At present, often used cresol or glutaraldehyde in foreign countries as the deciduous tooth deciduous medication, but because the drug performance is not ideal and the operation is cumbersome, affecting the treatment carried out. Therefore, we try glutaraldehyde in clinical trials to treat chronic pulpitis of the molars and perform dental pulp inactivation once completed