Cite this chapter as:
Jingang Xiao, Lin Liu, Lei Wang, Kui Huang, Yong Li, Zhihao Yao ;
Craniofacial Defects and their Regeneration: Destruction and Regeneration of the Periodontium, Craniofacial Tumors, Trauma, and Congenital Defects, Mesenchymal Stem Cells and Craniofacial Regeneration (2016) 1: 90. https://doi.org/10.2174/9781681083155116010006