Feature:
Speciala reinforced matirial ensures the appropriate strength and elasticity;
Deliverying optional separation forces and buliding perfext contct each time;
Tight contacts,excellent retention and separating teeth without impaction;
For molars with regular crown,with short crown, deciduous teeth and other chanllenging areas;
Two Ring:one for molars with regular crown,the other for molars with low crown or not well aligned and deciduous teeth