BioOss와 Orthoblast II를 이용한 상악동 골이식술

We performed sinus bone graft using small amount of autogenous bone, Orthoblast？？ II and BioOss？？ and covered the sinus window with Ossix？？ membrane in these case series. After 4.5 to 6 months after operation, histopathologic examinations of trephine core biopsy showed following results. 1. There was bone density of 43 to 87% and we could observe the favorable early new bone formation. 2. Active bony remodeling of woven and lamellar bone was observed during 4.5 to 6 months healing period.