D4 Dental Clinic

ABOUT D4

We use digital tools to make clinical judgment more complete.

Imaging, scans, photographs, and design records are brought into one treatment pathway. They help clinicians see the relationship between structure, function, and aesthetics, and help patients understand their concerns and choices more clearly. D4 does not focus on a single technology, but on how information, communication, design, treatment, and long-term maintenance form a clear clinical plan together.

CLINICAL TEAM

Clinical team

Treatment decisions at D4 do not depend on one viewpoint. Clinicians discuss the information, limitations, patient goals, and long-term maintenance needs together.
Dr. Herman Hsu 许恒恺，D4 医生团队

Dr. Herman Hsu 许恒恺

DSD KOL

  • DSD Instructor
  • DSD Master
  • Founder, D4 Clinic
Clinical focus
Digital smile design · Aesthetic restorations
Education
Bachelor's degree, McGill UniversityBachelor of Stomatology, Shanghai Jiao Tong University School of Medicine
Dr. Christine Chen 陈嘉珮，D4 医生团队

Dr. Christine Chen 陈嘉珮

Clinical focus
Clear aligner treatment · Fixed orthodontics
Education
Master's in Orthodontics, Shanghai Jiao Tong University School of MedicineBachelor of Stomatology, Shanghai Jiao Tong University School of MedicineBachelor's degree, University of Auckland
Dr. Michelle Kao 高敏瑄，D4 医生团队

Dr. Michelle Kao 高敏瑄

Clinical focus
Children's oral health · Early childhood intervention
Education
Bachelor's degree, University of New South WalesBachelor of Stomatology, Shanghai Jiao Tong University School of MedicineImplant dentistry continuing education, New York University
Dr. Elaine Niu 钮赢颖，D4 医生团队

Dr. Elaine Niu 钮赢颖

Clinical focus
General dentistry · Periodontal care
Education
Periodontal and restorative continuing education, Harvard School of Dental Medicine
Dr. Victor Sun 孙庆龄，D4 医生团队

Dr. Victor Sun 孙庆龄

Clinical focus
Restoration of damaged or missing teeth · Implant restorations
Education
Bachelor's degree, National Taiwan UniversityBachelor of Stomatology, Shanghai Jiao Tong University School of MedicineImplant dentistry continuing education, University of Vienna

Collaboration

D4 case discussions commonly address information gathering, facial analysis, intraoral conditions, design validation, and long-term maintenance. The purpose of collaboration is not to find the fastest answer, but to make the treatment plan practical in clinical care.

Explore D4's DSD approach →
The D4 team discussing case records together

Teaching & Education

Teaching Digital Dentistry

Dr. Hsu regularly takes part in clinical education for dental peers, bringing the observation, design, and decision-making behind real cases into live discussion.

The purpose is not to promote a single technique. It is to examine how information is understood, how a plan is validated, and how clinical limitations shape the final choice.

Teaching also keeps D4's own methods open to questions and review, connecting digital workflows back to communication, judgment, and practical clinical plans.

Dr. Herman Hsu discussing case design with dental peers at a DSD workshop

Teaching & Speaking

International Teaching and Exchange

D4's work extends beyond the clinic.

From case design discussions and digital workflow development to interdisciplinary collaboration and teaching, much of this experience comes from real clinical work and continues to be discussed and examined in public.

Dr. Herman Hsu speaking about facially driven design and clinical decisions

DSD Teaching

From Teaching to Clinical Judgment

Dr. Herman Hsu has long participated in Digital Smile Design international teaching, case discussion, and clinical application. At D4, DSD Instructor / DSD KOL / DSD Master-related identity is not about the title itself, but about translating digital smile design, aesthetic restoration, Mockup validation, and pre-treatment planning into clinical judgment within real cases.

Dr. Herman Hsu analyzing Digital Smile Design, Mockup, and pre-treatment planning records with doctors and technicians in a case discussion.

The value of international teaching and case discussion is not the lecture itself, but bringing design, communication, and clinical judgment back into real treatment workflows.