3M™ Stretch Block, Iso-Form™ Temporary Crown

Stretch blocks assist in re-establishing the cervical contour of the crown if distorted by scissors while trimming. It also slightly flares the cervix of the crown to assist passage over shoulder preparations.

Product details

• Assists in re-establishing the cervical contour of a crown if distorted by scissors while trimming
• Bicuspid and molar selections for use with posterior crowns