Apical patency: fact and fiction - a myth or a must? A contribution to the discussion

Apical patency remains one of the main controversies in contemporary endodontics. This paper reviews some problems, advantages and shortcomings of current patency techniques to assist the readers in developing their own strategies on the basis of current scientific knowledge. Schlagwörter: apical patency, apical foramen, over-instrumentation, under-instrumentation