The wax pattern can be removed from the model and a wax sprue pattern is attached.
They were able to use liver extract therapy to treat tropical sprue successfully.
Once the crown has cooled, the technician can remove the sprue, fit and polish the crown ready for cementation.
Casting sprues form as metal fills the mold and may either be trimmed off after the bell has cooled or remain attached to the suspension loop.
Immunopathology of the evolving celiac sprue lesion.
Casting sprues were not trimmed from the suspension loops of 60.46% of bells at the site, and several bells had extra casting sprues adhering to the exterior surface.
Since a scale was unavailable for part of the study, weight was taken only of metal fragments and discarded casting sprues.
As noted in the four intact crucibles, the lumps of metal were composed of casting sprues and failed bells.
