This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Which of the following implant design is suitable for Division–C bone 
Select and explain. 
A. Subperiosteal bone, B. Disk design implants, C. Ramus frame implant, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Seven implant treatment options are available for Division C bone: 

Osteoplasty (C-w bone) before implant insertion 
Root-form implants 
Subperiosteal implants (C-h and C-a bone in mandible) 
Augmentation procedures 
Disk design implants (posterior mandible or anterior maxilla) 
Ramus frame implants (C-h bone, completely edentulous mandible) 
Transosteal implants (C-h bone anterior).