Catros, S Use of gutta percha cores in CT scan imaging for patent nasopalatine duct. [electronic resource] - International journal of oral and maxillofacial surgery Nov 2008 - 1065-6 p. digital Publication Type: Case Reports; Journal Article ISSN: 0901-5027 Standard No.: 10.1016/j.ijom.2008.05.002 doi Subjects--Topical Terms: AdultGutta-PerchaHumansMaleNasal Cavity--diagnostic imagingOroantral Fistula--diagnosisPalate--diagnostic imagingTomography, X-Ray ComputedTreatment Outcome