Methods: The method is to till the perforated and dried pulp cavity with thesterilized eugenol cotton ball and block it after one or two days with the pulp devitalizer.
Methods: The method is to till the perforated and dried pulp cavity with thesterilized eugenol cotton ball and block it after one or two days with the pulp devitalizer.
方法：将蘸有适量消炎痛粉的丁香油棉球(消丁球)置入已做好穿髓孔并且干燥好的窝洞中，暂封1～2天后再封入乳牙失活剂。