1. Graduate Institute of Clinical Dentistry, School of DentistryNational Taiwan University Taipei Taiwan
2. Department of DentistryNational Taiwan University Hospital, College of Medicine Taipei Taiwan
3. Department of DentistryNational Taiwan University Hospital Hsin‐Chu Branch, College of Medicine Hsin‐Chu Taiwan
4. School of DentistryNational Taiwan University Taipei Taiwan
5. Graduate Institute of Photonics and OptoelectronicsNational Taiwan University Taipei Taiwan