title: Clinical evaluation of split-crest technique with ultrasonic bone surgery for narrow ridge expansion: status of soft and hard tissues and implant success.
abstract: OBJECTIVE
  The aim of this study was to evaluate the split-crest technique with ultrasonic bone surgery for implant placement in patients with narrow ridges, focusing on the status of soft and hard tissues and on implant success rate, at least 6 months after implant loading.
  
  
  METHODS
  During September 2007 and November 2008, 15 patients received 37 implants (BTI implants) with split-crest surgical procedure using ultrasonic bone surgery. Plasma rich in growth factors (PRGF®) was applied during split crest procedure to promote tissue regeneration. Implant surfaces were humidified with PRGF to accelerate osseointegration. Patients were recalled for a final clinical evaluation at least 6 months after implant loading. Clinical assessment included the status of soft and hard tissues around implants, and implants' success rate.
  
  
  RESULTS
  Thirty-seven implants in 15 patients were evaluated between July 2009 and January 2010. The status of soft tissues was very good, showing adequate plaque index, bleeding index, and probing depth values. Success rate of implants at the end of follow-up (between 11 and 28 months after insertion) was 100%. Bone ridge was measured and compared at final examination showing a mean ridge expansion of 3.35 mm (SD: 0.34).
  
  
  CONCLUSIONS
  Split-crest with ultrasonic bone surgery can be considered an effective and safe procedure for narrow ridge expansion.
authors: eduardoanitua@eduardoanitua.com
authors: Eduardo
authors: E
authors: Anitua
authors: Leire
authors: L
authors: Begoña
authors: Gorka
authors: G
authors: Orive
mesh_terms: D000328:Adult; D000368:Aged; D000539:Alveolar Process / Q000473:pathology; D000540:Alveolar Ridge Augmentation / Q000295:instrumentation / Q000379:methods*; D064592:Autografts / Q000637:transplantation; D001861:Bone Regeneration / Q000502:physiology; D016025:Bone Transplantation / Q000379:methods; D015331:Cohort Studies; D003758:Dental Implantation, Endosseous / Q000379:methods*; D015921:Dental Implants; D003774:Dental Plaque Index; D017267:Dental Prosthesis Design; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D036341:Intercellular Signaling Peptides and Proteins / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D016348:Osseointegration / Q000502:physiology; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000145:classification; D010519:Periodontium / Q000473:pathology; D059745:Piezosurgery / Q000295:instrumentation / Q000379:methods*; D010949:Plasma / Q000502:physiology; D012189:Retrospective Studies; D016896:Treatment Outcome; D055815:Young Adult
chemical_list: D015921:Dental Implants; D036341:Intercellular Signaling Peptides and Proteins