title: [System for instrumental root planing].
authors.forename: K D
authors.initials: KD
authors.lastname: Hellwege
mesh_terms: D003777:Dental Prophylaxis / Q000379:methods*; D012534:Dental Scaling / Q000379:methods*; D006801:Humans; D014092:Tooth Root / Q000601:surgery*
vernacular_title: Systematik der instrumentellen Wurzelglättung (I).