Xin-Hai Zhang

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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(More)
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