Twin replaceable lateral windows
44year old Male, long span bridge 14-18, wished for replacement to implant based restorations. CBCT measurements of vertical RBH- 3.8 mm in 17 , 2.3mm in 16 & 5.5mm in 15 region. A partial septum lies between the 16 & 17 regions. 2 replaceable bony windows were made using the SCA kit, sinus membrane elevated, PRF membrane against the sinus membrane & a mixture of Novabone putty, morsels & PRF for grafting the sinus. The last slide is of 6 months post loading.