Objective To explore the relationship between the development of maxillary sinus aspergillosis and the presence of zinc-containing root canal lbturating paste within the antrum.

• 目的根管过度充填常导致氧化锌丁香油酚充填糊剂进入上颌窦内,本研究的目的是探讨进入窦腔的充填剂同霉菌性上颌窦炎的关系。