Maxillary second molar with two buccal and two lingual root canals: a case report / 华西口腔医学杂志

ABSTRACT

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.