Wang, Dongmiao External root resorption of the second molar associated with mesially and horizontally impacted mandibular third molar: evidence from cone beam computed tomography. [electronic resource] - Clinical oral investigations May 2017 - 1335-1342 p. digital Publication Type: Journal Article ISSN: 1436-3771 Standard No.: 10.1007/s00784-016-1888-y doi Subjects--Topical Terms: AdolescentAdultAgedChinaCone-Beam Computed TomographyFemaleHumansIncidenceMaleMiddle AgedMolar--diagnostic imagingMolar, Third--diagnostic imagingRetrospective StudiesRisk FactorsRoot Resorption--diagnostic imagingTooth, Impacted--diagnostic imaging