title: [Evaluation of peri-implant augmentation with collected bone].
abstract: OBJECTIVE
  To determine the amount of bone harvested from dental implant osteotomies with aspeo 12000 bone collector, to characterize the nature of the debris, and to evaluate the histological viability and clinical effect of peri-implant augmentation with immediate implantation of collected bone.
  
  
  METHODS
  From May 2004 to Oct 2005, 15 recruited patients without peri-implant imperfections underwent 18 ITI implants installation. During the implant bed preparation, 18 samples of bone were collected using the instrument and an analysis of variance was used to determine if there were statistical differences between female versus male, maxilla versus mandible, anterior versus posterior alveolar bone. After decalcification, the material from each sample was fixed in paraffin wax and stained with haematoxylin and eosin, all sections were examined by optical microscope and the proportion of bone was established histomorphometrically. During the time, 12 defects occurred in 11 patients when 16 dental implants were installed, and all the defects were augmented with collected bone debris simultaneously.
  
  
  RESULTS
  About 93% volume of 'wet' bone could be obtained from one dental implant osteotomy, and there were no statistical differences between female and male, maxilla and mandible, anterior and posterior alveolar bone. Histological observation showed that all samples contained bone and coagulum, the mean bone proportion was 94.2%. 3 to 6 months after surgery, the defects were successfully augmented, and during the secondary operation, bone growth was found over the defects.
  
  
  CONCLUSIONS
  The use of bone collectors is a good method for obtaining material to fill small bone imperfections in dental implantation.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Qilu Hospital of Shandong University, Jinan 250012, Shandong Province, China.
authors.forename: Ke-Tao
authors.initials: KT
authors.lastname: Wang
authors.forename: Jian-Hua
authors.initials: JH
authors.lastname: Wang
authors.forename: Hua-Qiang
authors.initials: HQ
authors.lastname: Zhao
authors.forename: Dong
authors.initials: D
authors.lastname: Zhang
authors.forename: Lei
authors.initials: L
authors.lastname: Wang
authors.forename: Feng-Cai
authors.initials: FC
authors.lastname: Wei
mesh_terms: D000540:Alveolar Ridge Augmentation; D016025:Bone Transplantation; D003758:Dental Implantation, Endosseous / Q000379:methods*; D015921:Dental Implants; D005260:Female; D006801:Humans; D008297:Male; D008334:Mandible; D008437:Maxilla; D010027:Osteotomy / Q000295:instrumentation*; D020858:Tissue and Organ Harvesting / Q000295:instrumentation*
chemical_list: D015921:Dental Implants