Bonded Fan Exspider Expansion Orthodontic Model
This is the bonded version of a banded Fan Exspider. The screw pivots in the posterior and expands in the anterior.
Orthodontic retainer model features excellent demonstration and teaching tool for orthodontic dental schools and students who desired to learn, practice orthodontic techniques in dental school, at home, on the go. This techniques a mast foundation of future professional orthodontic practice.