Periodontal regeneration around natural teeth.
D000075202:Contraindications; D016557:Guided Tissue Regeneration, Periodontal / Q000379:methods; D006801:Humans; D008567:Membranes, Artificial; D010510:Periodontal Diseases / Q000601:surgery*; D012390:Root Canal Therapy
D008567:Membranes, Artificial