根管充填是根管治疗术成败的重要因素之一,历来学者们都主张严密地充填根管,由于根管系统解剖复杂,达到上述要求是困难的。临床评价根管充填优劣,主要凭籍X线照相,检查主根管充填情况,适填、欠填或超填,而对充填料与根管壁间密封性,指有否微渗漏,是无法判定的。微渗漏试验一般是在离体牙上进行的。 Root canal filling is one of the important factors in the success or failure of root canal therapy. Historically, scholars advocate strict filling of the root canal. Due to the complex anatomy of the root canal system, it is difficult to meet the above requirements. Clinical evaluation of the pros and cons of root canal filling, mainly by virtue of X-ray photography, check the filling of the main root canal, suitable filling, under filling or overfilling, filling and root canal wall between the sealing refers to whether microleakage, It is impossible to judge. Microleakage tests are generally performed on isolated teeth.