Dental Auxiliary Materials: Retraction, Mixing and Protection
Auxiliary materials are the working aids around a procedure: gingival retraction cords and pastes before impressions, hemostatic solutions and gels, cheek retractors and mouth props, mixing palettes and wells, impression material syringes and tips, barrier films, plus products for orthodontics and the lab. Brands include Ultradent, Roeko, Cerkamed, Centrix, VOCO, Kulzer, Solventum (3M) and Prevest, with prices from 1.57 lei.
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Retraction Cords: Material and Sizes
| Cord | Material | Sizes |
|---|---|---|
| Ultrapak (Ultradent) | knitted cotton, non-impregnated | 000 black, 00 yellow, 0 purple, 1 blue, 2 green, 3 red |
| PRIMA | knitted cotton | 000 black, 00 yellow, 0 purple, 1 blue-white |
| Stay-Put (Roeko) | braided with a copper wire, non-impregnated, 183 cm | 0 extra-fine, 1 fine, 2 medium, 3 thick |
| Retracto (Roeko) | braided polyester, non-impregnated | 0 extra-fine, 1 fine, 2 medium, 3 thick |
| Best Cord NANO (Cerkamed) | polyester and polyamide, impregnated with aluminum chloride, 254 cm | 0000, 000, 00, 0, 1, 2 |
Retraction Pastes and Hemostatics
Astringent pastes temporarily displace the marginal gingiva without a cord, according to the manufacturers. VOCO Retraction Paste and 3M Astringent Retraction Paste come in 0.3 g capsules, Kulzer RetraXil, with 15% aluminum chloride, in a 1 g syringe, and Centrix offers Access Flo and Access Edge single-use capsules, with kaolin and aluminum chloride, applied with the Centrix gun and acting in about 2 minutes, per their descriptions. For minor gingival bleeding there are Prevest Hemostal, a 15 ml 25% aluminum chloride solution, and a 25% ferric sulfate gel in a syringe.
Access and Isolation
Clear plastic cheek retractors, marked autoclavable at 134 °C, are sold in pairs: with a handle, in sizes S and L, or bilateral, in S, M and L, from 97 × 70 to 130 × 92 mm. Ivoclar OptraGate 3D, size Regular, is a soft, latex-free retractor. The rubber mouth prop keeps the mouth open: S yellow, M green, L purple.
Mixing, Impressions and Barriers
Plastic mixing palettes have 4 wells (51 × 51 mm, 180 per pack) or 2 wells (51 × 28 mm, 200 per pack), and mixing wells come 100 per pack. For impressions there are 5 ml syringes for impression material and cement, 4.2 mm yellow intraoral tips for the automix gun, S, M and L plastic trays and a 453 g alginate with a color phase indicator. As barriers there are the blue roll with 1,200 pre-cut 15 × 10 cm sheets and its dispenser, sleeves for sensors and phosphor plates and disposable 19 × 15 and 28 × 18 cm trays.
You will also find clear orthodontic wax, elastic ligatures, 24 per stick, a 500 ml spray for cleaning and lubricating turbines and handpieces, sterile irrigation tubing for NSK, Kyocera, Aseptico and Bonart physiodispensers and lab accessories: mandrel brushes, silicone polishers and wax instruments.
Frequently asked questions
Which retraction cords are impregnated?
Cerkamed Best Cord NANO, impregnated with aluminum chloride. Ultrapak, Stay-Put and Retracto are non-impregnated; the Ultrapak description says the cord can be soaked in the hemostatic solution chosen by the dentist.
Can I do retraction without a cord?
Yes, with an astringent paste: VOCO Retraction Paste, 3M Astringent Retraction Paste, Kulzer RetraXil or Centrix Access Flo and Access Edge single-use capsules. The Access Flo description says it can also be used as the second cord in the two-cord technique.
Which cheek retractor should I choose?
The retractor with a handle (S, L) or the bilateral one (S, M, L), in clear plastic marked autoclavable at 134 °C, or Ivoclar OptraGate 3D, soft and latex-free, size Regular. To keep the mouth open there is the rubber mouth prop, in S, M and L.
Which spray do I use for turbines?
The 500 ml spray for cleaning and lubricating turbines and handpieces, based on mineral oils with a corrosion inhibitor. Its description states that it is not a disinfectant.
