[Growth and changes of soft tissue--etiology, prevention and management of periodontal disease].
D002675:Child, Preschool; D004846:Epithelial Attachment / Q000473:pathology; D005881:Gingiva / Q000473:pathology; D005891:Gingivitis / Q000209:etiology* / Q000517:prevention & control / Q000628:therapy; D006801:Humans; D010519:Periodontium / Q000473:pathology*; D014078:Tooth Eruption