title: Orthodontics and periodontal therapy.
authors.affiliation: Department of Orthodontics, University of Pennsylvania, School of Dental Medicine, Philadelphia, USA.
authors.forename: R L
authors.initials: RL
authors.lastname: Vanarsdall
mesh_terms: D000818:Animals; D000075202:Contraindications; D005889:Gingival Recession / Q000209:etiology; D006801:Humans; D017622:Periodontal Attachment Loss / Q000209:etiology; D010510:Periodontal Diseases / Q000209:etiology*; D014087:Tooth Movement Techniques / Q000009:adverse effects*