Collapsed bite cases, which require wide varieties of skill to fix, are challenging for dentists. However, I am excited whenever I face them. In such cases, thinking process for treatments is really fun for me. The case below is the combination of techniques such as diagnosis of occlusion, implant, orthodontic treatment, gum surgery, and crown restoration. The treatment took 2 years. I want to thank the patient for his understanding and cooperation. Without them, I couldn't have reached the goal. I will describe the prosess, step by step later.