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  • Title: Cranioplasty in the growing canine skull using demineralized perforated bone.
    Author: Salyer KE, Bardach J, Squier CA, Gendler E, Kelly KM.
    Journal: Plast Reconstr Surg; 1995 Sep; 96(4):770-9. PubMed ID: 7652050.
    Abstract:
    This study was designed to test the hypothesis that demineralized perforated bone matrix implant from canine skull and tibia induces new bone formation within the calvarial defect comparable with the bone induced by autogenous graft. We also were interested in determining whether demineralized perforated bone matrix implants from membranous bone have greater osseoinductive capacity in the calvarial area than demineralized perforated bone matrix implants from endochondral bone. Forty 12-week-old purebred beagles were used. Group I consisted of animals with unrepaired surgically created calvarial defects healed by secondary intention (n = 10). Group II consisted of animals with surgically created calvarial defects in which the bone was removed and replaced with an autograft (n = 10). Group III consisted of animals with surgically created calvarial defects in which the bony defect was closed with a demineralized perforated bone matrix implant obtained from beagle calvaria (n = 10). Group IV consisted of animals with surgically created calvarial defects in which the bony defect was closed with a demineralized perforated bone matrix implant obtained from beagle tibia (n = 10). The two control groups (I and II) allowed us to isolate the inductive capacity of demineralized perforated bone matrix implants and compare it with the healing of the bone defects left unrepaired or repaired with calvarial autografts. Animals were sacrificed after 8 and 12 weeks. In the present study we were able to verify that demineralized perforated bone matrix implants are well accepted in the calvarial defects with little tissue reaction and remarkably little osteoclastic activity.(ABSTRACT TRUNCATED AT 250 WORDS)
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