Sunku, Raghavendra Quantitative digital subtraction radiography in the assessment of external apical root resorption induced by orthodontic therapy: a retrospective study. [electronic resource] - The journal of contemporary dental practice Nov 2011 - 422-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1526-3711 Standard No.: 10.5005/jp-journals-10024-1070 doi Subjects--Topical Terms: AdolescentBicuspid--surgeryCuspid--diagnostic imagingDensitometryFemaleHumansImage Processing, Computer-Assisted--methodsIncisor--diagnostic imagingMaleMalocclusion, Angle Class I--therapyMalocclusion, Angle Class II--therapyMandible--diagnostic imagingMaxilla--diagnostic imagingRadiographic Image Enhancement--methodsRadiography, Panoramic--methodsRetrospective StudiesRoot Resorption--diagnostic imagingSubtraction TechniqueTime FactorsTooth Apex--diagnostic imagingTooth ExtractionTooth Movement Techniques--adverse effectsTooth Root--diagnostic imaging