title: Residual extraction sites after orthodontic treatment. Part III. Changes in the post-retention period.
mesh_terms: D006801:Humans; D008310:Malocclusion / Q000209:etiology* / Q000473:pathology; D008311:Malocclusion, Angle Class I / Q000628:therapy; D008312:Malocclusion, Angle Class II / Q000628:therapy; D009971:Orthodontics, Corrective; D013997:Time Factors; D014081:Tooth Extraction / Q000009:adverse effects*