title: Bone Reconstruction following Application of Bone Matrix Gelatin to Alveolar Defects: A Randomized Clinical Trial.
abstract: BACKGROUND
  Conventional dentoalveolar osseous reconstruction often involves the use of graft materials with or without barrier membranes.
  
  
  OBJECTIVE
  To evaluate the efficacy of bone induction by bone matrix gelatin (BMG), delivered on an absorbable collagen sponge (ACS), compared to a placebo (ACS alone) in human alveolar socket defects.
  
  
  METHODS
  20 alveolar sockets from 10 healthy adults were studied. In all cases, both the mandibular premolar area and the contralateral premolar area (as the control site) were involved. In each of the 10 patients, the extraction sites were filled randomly with BMG and ACS. The repair response was examined on day 90. Qualitative histological and quantitative histometric analysis, including the percentage of new-formed bone fill and density were done.
  
  
  RESULTS
  Assessment of the alveolar bone indicated that patients treated with BMG had significantly (p<0.05) better bone quality and quantity compared to the controls. In addition, bone density and histology revealed no differences between the newly induced and native bone.
  
  
  CONCLUSIONS
  The data from this single-blind clinical trial demonstrated that the novel combination of BMG had a striking effect on de novo osseous formation for the bone regeneration.
authors.affiliation: Oral and Maxillofacial Surgery Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran. Craniomaxillofacial Research Center, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: M
authors.initials: M
authors.lastname: Bayat
authors.affiliation: Harvard Catalyst Laboratory for Innovative Translational Technologies, Harvard Medical School, Boston, MA, USA.
authors.forename: F
authors.initials: F
authors.lastname: Momen Heravi
authors.affiliation: Harvard Catalyst Laboratory for Innovative Translational Technologies, Harvard Medical School, Boston, MA, USA.
authors.forename: M
authors.initials: M
authors.lastname: Mahmoudi
authors.affiliation: Oral and Maxillofacial Surgery Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran. Craniomaxillofacial Research Center, Tehran University of Medical Sciences, Tehran, Iran, ; Iranian Tissue Bank and Research Center, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: N
authors.initials: N
authors.lastname: Bahrami
keywords: Autogenous bone graft; Bone healing; Bone matrix gelatin; Bone morphogenic protein; Osteoinductive material