title: Single implant-supported crowns in the anterior maxilla--potential esthetic long-term (> 5 years) problems.
authors.forename: Björn U
authors.initials: BU
authors.lastname: Zachrisson
mesh_terms: D000293:Adolescent; D000328:Adult; D016301:Alveolar Bone Loss / Q000209:etiology; D015921:Dental Implants / Q000009:adverse effects*; D003769:Dental Occlusion, Traumatic / Q000209:etiology; D019094:Dental Prosthesis, Implant-Supported / Q000009:adverse effects*; D004955:Esthetics, Dental; D005260:Female; D005889:Gingival Recession / Q000209:etiology; D006801:Humans; D007180:Incisor; D008297:Male; D008437:Maxilla; D010859:Pigmentation Disorders / Q000209:etiology; D016388:Tooth Loss / Q000601:surgery*; D014716:Vertical Dimension
chemical_list: D015921:Dental Implants