Department of Stomatology, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510410, Guangdong, China;
Department of Stomatology, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510410, Guangdong, China;
Department of Stomatology, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510410, Guangdong, China;