OBS for Lower Canine Impaction. Case was started with a orthodontic mini implant (TAD) and TMA spring placed between roots of lower right molar and cuspid. Mini implant was lost during extrusion and we moved to OBS placed on buccal shelf with 19x25 SS 3D lever arm. Thanks to technique by Chris Chang canine erupted easily.

OBS for Lower Canine Impaction. Case was started with a orthodontic mini implant (TAD) and TMA spring placed between roots of lower right molar and cuspid. Mini implant was lost during extrusion and we moved to OBS placed on buccal shelf with 19x25 SS 3D lever arm. Thanks to technique by Chris Chang canine erupted easily.