title: Preservation of crestal bone: a clinical requisite.
authors.affiliation: Department of Periodontics, University of Pennsylvania, School of Dental Medicine, Philadelphia, USA.
authors.forename: Harold
authors.initials: H
authors.lastname: Baumgarten
mesh_terms: D016301:Alveolar Bone Loss / Q000517:prevention & control*; D000044:Dental Abutments; D003758:Dental Implantation, Endosseous / Q000379:methods*; D015921:Dental Implants; D017267:Dental Prosthesis Design; D017268:Dental Prosthesis Retention; D006801:Humans
chemical_list: D015921:Dental Implants