1. Department of Oral Pathology Guanghua School of Stomatology Hospital of Stomatology Sun Yat‐sen University Guangzhou China
2. Guangdong Provincial Key Laboratory of Stomatology Sun Yat‐sen University Guangzhou China
3. Department of Oral and Maxillofacial Surgery Guanghua School of Stomatology Hospital of Stomatology Sun Yat‐sen University Guangzhou China