Directions to use
STEP 1: PREPACK. To ensure cord retention during preparation, use a cord large enough to firmly compress into sulcus. Open proximal contacts and place Ultrapak knitted cord soaked in hemostatic solution. Because Ultrapak compresses upon packing, use a cord size that appears too large. The thin Ultrapak Packer quickly slips cord into position. The knitted cord’s unique design (interlocking loops) facilitates easy packing and locks it into place.
STEP 2 : PREPARATION. Extend margin subgingivally by cutting partway into knitted cord, which won’t entangle in the diamond bur. Remove remnant of cord with calcium hydroxide applicator (tiny ball end). Bleeding is minimal. A small portion of uncut tooth above the gingival attachment is preserved to record in the impression.
STEP 3: HEMOSTASIS AND IMPRESSION. Rub the Dento-Infusor tip against bleeding tissue as solution is slowly expressed. Rinse with a firm air/water spray to clean and check for complete hemostasis. If bleeding is noted, repeat these steps. If additional retraction is required, repack with appropriate-size cord. Air dry and make impression.
How long should the cord be left in the sulcus?
In most cases, the knitted loops of the cord provide optimal retraction after 3–8 minutes.
What length of cord should I use?
The length of cord will depend on the circumference of the preparation. Ultrapak’s bottle features a handy ruler on the side to help make sure you get the right length.
How will I know if the retraction is adequate?
Retraction is adequate when the margins of the gingiva are pulled away from the preparation and the cord can be removed without the gingiva hemorrhaging. To help prevent the onset of bleeding upon removal, soak the cord in an astringent like Astringedent or ViscoStat.
Are there times when I shouldn’t use cord impregnated with epinephrine?
Yes. Cord impregnated with epinephrine should not be used on patients with cardiovascular disease, hyperthyroidism, hypertension, diabetes, arteriosclerosis, or on patients taking tricyclic antidepressants or having sensitivity or hypersensitivity to epinephrine. In addition, elderly individuals, pregnant women, and children under 66 lbs. may be at greater risk of developing adverse reactions after epinephrine administration.Do not use epinephrine cord with ferric sulfate hemostatics like ViscoStat or Astringedent, as a temporary blue/black precipitate will occur.
What is the benefit of the knitted cord over braided cord?
Braided cords are more rigid than knitted cords, which can cause an issue when packing into the sulcus. With rigid braided cords, when one portion of the cord is packed into the sulcus, another portion of the cord is typically raised. Knitted cords are more flexible and pack easily into the sulcus.
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