[Present status of periodontal surgery].
D000293:Adolescent; D000368:Aged; D012534:Dental Scaling; D005893:Gingivoplasty; D006801:Humans; D010514:Periodontal Pocket / Q000601:surgery*; D010518:Periodontitis / Q000601:surgery*; D014092:Tooth Root / Q000601:surgery