· Ridge augmentation: evidence-based approach by Prof. Kwon

· Bone graft for atrophic alveolar ridge: pros and cons of surgical techniques by Prof. Junho Jung

· Sinus floor elevation; choice of approach by Prof. Kwon

· How to use zirconia in implant prosthodontics by Pro. Ahran Pae

· Troubleshooting of sinus floor elevation by Prof. Kwon