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为了最大限度地保留牙齿,并尽量减少病人的痛苦,我科应用开窗术治疗10例大型根尖病灶。经追踪观察疗效较为满意。1 对象与方法1．1 对象:X线显示的根尖部有较大透射区,拟诊为根尖囊肿或根尖脓肿者。病人患牙有明显自觉症状。1．2 方法及步骤:患牙摄X片后,经开髓扩大根管、洗涤消毒、干燥。及时根管充填(氧化锌碘仿糊剂十牙胶尖)。在患牙根尖部做局部浸润麻醉,在根尖部牙龈上选择便于引流的部位做
In order to maximize the retention of teeth and minimize the patient's pain, we applied fenestration to treat 10 large apical lesions. Follow-up observation of the more satisfactory results. 1 objects and methods 1.1 Object: X-ray shows a large transmission area at the apex, to be diagnosed as apical cyst or apical abscess. Patients suffering from obvious symptoms of teeth. 1.2 Methods and Procedures: X-ray film taken from the teeth, the expansion of the root canal after open pulp, washing disinfection and drying. Root canal filling promptly (zinc iodide imitation paste ten gutta-percha point). In the root tip to do partial infiltration of anesthesia in the root of the gums on the choice of easy drainage sites do