“…Several donor sites have been described for harvesting autologous bone grafts for the treatment of an alveolar cleft in cleft lip and palate (CLP) patients 2,3,8,9,18 . Autologous bone harvested from the mandibular symphysis has favourable properties; its ectomesenchymal and membranous origin enables it to maintain its volume and viability due to early vascularization 13,19,23 , it responds well to orthodontic loading of the alveolar process 13 , and as a donor site it has low objective and subjective morbidity 2,16,22 .…”