1. Salivary Gland Disease Center of Beijing Stomatological Hospital; School of Stomatology; Capital Medical University; Beijing China
2. Inpatient Department of Oral and Maxillofacial Surgery; Beijing Stomatological Hospital; School of Stomatology; Capital Medical University; Beijing China
3. Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction; School of Stomatology; Capital Medical University; Beijing China
4. School of Biomedical Engineering; Capital Medical University; Beijing China