As I've mentioned before, mini implant placement is mostly likely free hand. And just showing you that there's gap in between the sleeveless surgical guide and the mini implant osteotomy drill. If you don't feel safe, please do not use surgical guide for #24 - 25 placement.
Xin Wei, DDS, PhD, MS 1st edition 06/04/2019, last revision 06/04/2019