The iliac crest bone grafting with unvasculator is mainly in second stage (92%) while the fibular grafting vasculator technique is majorly in the same stage to cutting bone at 69, 2% with single bone graft. - Described functional features: Masticatory function: on the scale of 100, the group of Good level account for 9, 1%, Average level: 39, 4% and Low level: 51, 5%; under 50% mastication coefficient accounts for 36, 4%.