title: Localized ridge defect augmentation using human pericardium membrane and demineralized bone matrix.
abstract: BACKGROUND
  Patient wanted to restore her lost teeth with implants in the lower left first molar and second premolar region. Cone beam computerized tomography (CBCT) revealed inadequate bone width and height around future implant sites. The extraction socket of second premolar area revealed inadequate socket healing with sparse bone fill after 4 months of extraction.
  
  
  OBJECTIVE
  To evaluate the clinical feasibility of using a collagen physical resorbable barrier made of human pericardium (HP) to augment localized alveolar ridge defects for the subsequent placement of dental implants.
  
  
  METHODS
  Ridge augmentation was done in the compromised area using Puros® demineralized bone matrix (DBM) Putty with chips and an HP allograft membrane. Horizontal (width) and vertical hard tissue measurements with CBCT were recorded on the day of ridge augmentation surgery, 4 month and 7 months follow-up. Intra oral periapical taken 1 year after implant installation showed minimal crestal bone loss.
  
  
  RESULTS
  Bone volume achieved through guided bone regeneration was a gain of 4.8 mm horizontally (width) and 6.8 mm vertically in the deficient ridge within a period of 7 months following the procedure.
  
  
  CONCLUSIONS
  The results suggested that HP Allograft membrane may be a suitable component for augmentation of localized alveolar ridge defects in conjunction with DBM with bone chips.
authors.affiliation: Department of Endodontics and Implant Dentistry, S.U.T.A.M.S Medical College, Trivandrum, India.
authors.forename: Arun Kumar
authors.initials: AK
authors.lastname: Vidyadharan
authors.forename: Anjana
authors.initials: A
authors.lastname: Ravindran
mesh_terms: D000540:Alveolar Ridge Augmentation; D001857:Bone Matrix / Q000637:transplantation*; D001861:Bone Regeneration; D005240:Feasibility Studies; D005260:Female; D006801:Humans; D008875:Middle Aged; D010496:Pericardium