Implants used in orthodontics are: (A) Endo-osseous implants, (B) Trans-osseous implants, (C) Micro implants, (D) Bioresorbable implants
Answer is C. Anchorage is the most critical aspect of orthodontics. The anchorage savers do offer extra assistance to anchorage, most recent armamentarium in orthodontics was the introduction of mini screw implants (MSI) and skeletal anchorage system (SAS). Their small size has led to them being called- "mini-implants, micro-implants, mini-screws or mini-pins".
Textbook of Orthodontics, Gurkeerat Singh 2nd ed page 299