title: Periodontal pockets and attachment levels.
mesh_terms: D000818:Animals; D004846:Epithelial Attachment / Q000502:physiology*; D006801:Humans; D010514:Periodontal Pocket / Q000601:surgery*; D010518:Periodontitis / Q000601:surgery*; D010519:Periodontium / Q000502:physiology*