Changes in Matrix Metalloproteinase-8, Interleukin-6 and Tumor Necrosis Factor-Α in Gingival Crevicular Fluid during Rapid Maxillary Expansion in Adolescent Patients - Tang, Zhipeng; Mi, Dongxue; Wu, Hao; Fu, Yanan; Liu, Li; Chen, Xuelin; Dong, Yujia; Zhang, Weikun (Iranian Journal of Public Health, 2021)