IRCT201307319044N2 IRCT 2013-12-11 Vice chancellor for research, Iran University of Medical Sciences Reconstruction of major extensive facial burn injuries Randomized clinical trial comparing surgical and aesthetic outcomes following endoscopic-assisted tissue neck expansion and open approach in reconstruction of major facial burn injuries 2012-01-01 anticipated 60 Complete https://irct.ir/trial/9662 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. 2-3 Facial Burn. Intervention 1: Intervention group Using an endoscopic approach, tissue expanders are placed in neck pocket tissue and connected to a port far away at the port site. Following achievement of full expansion of neck tissue, flaps are removed from expansion site and used for reconstruction of facial burn. Intervention 2: Control group In this group, the traditional open approach is used to insert tissue expander and connected to the port near its location. After full expansion, tissues are removed and transferred to cover the facial burn scar deformities.