Authors Type and number of animals Type of graft Maximal mouth opening at 3 months after ankylosis Maximal mouth opening at 3 months after reconstruction Complications or recurrence Tuncel and Ozgenel, 2011 New Zealand rabbit(24) Human amniotic membrane 1.03mm 2.52mm Deviation Shimizu et al, 2006 Merino sheep(5) Masseter  muscle 35.4mm 48.8mm Infection (1) Ogi et al, 1997 Merino sheep(4) Fresh disc allograft 58.5mm 61.5mm No

Table 2: The summary of some experimental reports.