1Kim S, Baek S. The microscope and endodontics[J].Dent Clin North Am, 2004, 48 (1) : 11-18.
2Cohen S, Burns RC. Pathways of the pulp [M].8th ed. Mosby, Inc.2002.683-725.
3West JD.The role of the microscope in 21st century endodontics: visions of a new frontier [ J ]. Dent Today,2000, 19 (12) :62-64, 66-9.
4Mines P, Loushine RT,West LA, et al. Use of the microscope in endodontics: a report based on a questionnaire [J].J Endod, 1999, 25(11): 755-758.
5Kim S. The anatomy of the surgical operating microscope and operating positions [J]. Dent Clin North Am, 1997, 41: 391-413.
6Clark D. The operating microscope and ultrasonics;a perfect marriage[J]. Dent Today, 2004, 23 (6) :74-76, 78-81.
7Kim S. Modem endodontic practice: instruments and techniques[]]. Dent Clin North Am,2004,48 (1) :1-9.
8YoshioKa T, Kikuchi I, Fukumoto Y,et al.H.Detection of the second me siobuccal canal in mesiobuccal roots of maxillary molar teethex vivo[J].Int Endod J, 2005 ,38(2): 124-128.
9Schwarze T,Baethge C,Stecher T,et al. Identifica tion of second canals in the mesiobuccal root of maxillary first and second molars using magnifying loupesor an operating microscope[J]. Aust Endod J, 2002 ,28 (2):57-60.
10De Moor RI, Calberson FL. Root canal treatment in a mandibular second premolar with three root canals[J].J Endod, 2005 ,31 (4) :310-313.
