[Maxillary second molar with two buccal and two lingual root canals: a case report].
Incidence rate of 4 root canals in maxillary second molar is very low and most molars have only two mesiobuccal root canals. The emergence of 4 root canals in maxillary second molar with two lingual root canals is especially rare. A case of 4 root canals maxillary second molar with two lingual root canals was successfully treated and reported in this article.
Zhang
Qing-Fu
QF
Stomatological Center of Nanjing Military Command, The 411 Hospital of PLA, Shanghai 200081, China.
Liu
Guo-Qin
GQ
Zhao
Hai-Jun
HJ
Chen
Jun
J
Zhang
Xin-Hai
XH