Should Bio-Oss Be Used as an Onlay Bone Substitute?
Dental News Volume XVIII, Number IV, December, 2011 by Dr. Abdullah Al-Harkan Often times, dental implant placement is complicated by inadequacy of bone volume due to tooth loss, periodontal disease, pathology, or trauma. However, more challenging implant cases are being performed due to the advancement in bone augmentation procedures and materials to augment deficient alveolar bone. 1 Autogenous bone is considered to be the “gold standard”, for alveolar ridge regeneration, due to its osteogenicity. 1,2 However, autogenous bone grafts are associated with rapid rate of resorbtion 3 and donor site morbidity 1 . This has led scientists to investigate allogenic and xenogenic bone grafts, as well as alloplastic materials, such as Hydroxyapatite and Calcium Phosphate Compounds. 4 An alternative to autogenous bone is xenograft. Although xe...