Evaluation of the efficiency of different instrumentation for root canal retreatment using Micro-computed tomography

Guo Jing1，2, Yin Kaifeng2，3, Yang Haibing1，2, Han Xuan1，2, Wang Yan1，2.

West China Journal of Stomatology . 2012, (3): 296 -298 . DOI: 10.3969/j.issn.1000-1182.2012.03.018