Cleaning effect of ultrasonic activation as an adjunct to syringe irrigation of root canals: a systematic review
Chen Yuanyuan, Zhang Wenhui, Guo Bin, Guo Xiaolong, Huang Shilu, Long Hu, Fu Min, Yang Manxin, Lü Yan.
West China Journal of Stomatology . 2015, (2): 145 -152 .  DOI: 10.7518/hxkq.2015.02.008