title: Impact of maxillary sinus augmentation on oral health-related quality of life.
abstract: BACKGROUND
  The aim of this study was to measure the oral health-related quality of life (OHRQoL) after maxillary sinus augmentation to determine the physical and psychological impact of this procedure for the patient.
  
  
  METHODS
  Three hundred sixteen patients treated with an external or internal maxillary sinus augmentation and a total of 863 implants in the Department of Oral and Maxillofacial Surgery, Johannes Gutenberg University, Mainz, Germany, between July 2002 and December 2007 were included in this retrospective study. Total implant survival was assessed. Completion of a modified 26-item version of the Oral Health Impact Profile (OHIP-G) for assessing the oral health-related quality of life before and after the treatment was asked for. Subcategories were (1) functional limitations, (2) physical and psychological disabilities, and (3) complaints due to the surgical procedure. In 53 patients available for clinical follow-up examination, assessment of soft tissue parameters was performed.
  
  
  RESULTS
  After an average time in situ of 41.2 ± 27 months (3.4 years), the in situ rate was 95.4%. One-year survival rate and five-year survival rate according to Kaplan Meier were 95.4 and 94.4%. Concerning functional limitations, significant better values for OHRQoL after sinus augmentation procedure than before the treatment (p < 0.001) were seen. In the subcategory physical and psychological disabilities, all questions had significant better values after the sinus lift (p < 0.001). Concerning complaints due to the surgical procedure, mean total scores were 5.1 ± 5.4 pre-operative, 6.9 ± 6.1 (0-31) post-operative, and 2.4 ± 3.7 recently. This meant a significant difference between "pre-operative" vs. "post-operative" (p = 0.003), "pre-operative" vs. "recently" (p < 0.001), and "post-operative" vs. "recently" (p < 0.001). Concerning the influence of implant indication, edentulous patients showed the most distinct improvement after the procedure. Clinical assessment showed stable soft tissue parameters.
  
  
  CONCLUSIONS
  Evaluation of OHRQoL after sinus augmentation showed a significant improvement indicating a remarkable benefit for the patients through this procedure.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Plastic Surgery, University Medical Centre of the Johannes Gutenberg-University, Augustusplatz 2, 55131, Mainz, Germany. eik.schiegnitz@unimedizin-mainz.de.
authors.forename: E
authors.initials: E
authors.lastname: Schiegnitz
authors.affiliation: Department of Oral and Maxillofacial Surgery, Plastic Surgery, University of Rostock, Rostock, Germany.
authors.forename: P W
authors.initials: PW
authors.lastname: Kämmerer
authors.affiliation: Department of Oral and Maxillofacial Surgery, Plastic Surgery, University Medical Centre of the Johannes Gutenberg-University, Augustusplatz 2, 55131, Mainz, Germany.
authors.forename: K
authors.initials: K
authors.lastname: Sagheb
authors.affiliation: Department of Prosthodontics, University of Hamburg-Eppendorf, Hamburg, Germany.
authors.forename: A J
authors.initials: AJ
authors.lastname: Wendt
authors.affiliation: Department of Oral and Maxillofacial Surgery, Plastic Surgery, University Medical Centre of the Johannes Gutenberg-University, Augustusplatz 2, 55131, Mainz, Germany.
authors.forename: A
authors.initials: A
authors.lastname: Pabst
authors.affiliation: Department of Oral and Maxillofacial Surgery, Plastic Surgery, University Medical Centre of the Johannes Gutenberg-University, Augustusplatz 2, 55131, Mainz, Germany.
authors.forename: B
authors.initials: B
authors.lastname: Al-Nawas
authors.affiliation: Department of Oral and Maxillofacial Surgery, Plastic Surgery, University Medical Centre of the Johannes Gutenberg-University, Augustusplatz 2, 55131, Mainz, Germany.|Oral and Maxillofacial Surgery, Private Praxis, Düsseldorf, Germany.
authors.forename: M O
authors.initials: MO
authors.lastname: Klein
keywords: Dental implant; Maxillary sinus augmentation; Oral health-related quality of life