For placing the retraction cord in the sulcus around the tooth.When taking impression for provision of crown and bridge work, the preparation border needs to be accurately captured by the light bodied impression material. For this reason, the gingival tissues need to be pushed away from the preparation margin in order to make it accessible to the impression material. One way to retract gingival tissues away from the tooth is by insertion of a retraction cord into the gingival crevice through this hand instrument.

Translation missing: en.general.search.loading