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