Table 2.

Advantages and Disadvantages

Advantages	Disadvantages
1.A size-matched patella allograft allows for a smooth cartilage surface for proper patellar tracking 2.A fresh allograft optimizes the chances for graft incorporation 3.Sutures placed in the native quadriceps tendon can be fixed distally in anchors adjacent to the tibial tubercle for additional points of fixation	1.High cost of a fresh entire extensor mechanism allograft 2.Patients must understand the importance of strict non-weightbearing with their knee locked in extension for 12 weeks 3.High risk of arthrofibrosis with limited revision surgical options following complete patellectomy