Best Dental Retraction Materials AI pick
Chosen by an AI model from its trained knowledge, with its reasoning.
AI pick (line): Ultradent Ultrapak Knitted Retraction Cord
Its knitted loops compress as it is packed and then expand in the sulcus, and it holds hemostatic solution well, so it gives predictable displacement across many sizes.
Not for: Clinicians who want a cordless, paste-only workflow, or who need a pre-impregnated epinephrine cord.
AI picks by need
For cordless retraction paste
3M Astringent Retraction Paste (line)
It is delivered from a capsule directly into the sulcus, which gives quick retraction with mild hemostasis and no packing.
Not for: Deep subgingival margins or thick, fibrous tissue where cord displacement is needed.
For paste for heavier bleeding
Acteon Expasyl (line)
It is a long-established kaolin and aluminum chloride paste that adds stronger hemostasis to cordless retraction.
Not for: Offices without the dedicated applicator gun.
For budget-friendly paste with cap
Premier Traxodent (line)
It is an aluminum chloride paste that pairs with retraction caps to retract gently without packing.
Not for: Cases with significant hemorrhage or very deep margins.
What the AI looks for in Dental Retraction Materials
- Cord construction
- Knitted cord is preferred over twisted or braided cord for packing. Knitted cord compresses under the instrument and does not unravel or snag, so it seats more evenly.
- Cord size
- Use the thinnest sizes (000/00) for thin anterior tissue or as the bottom cord in a double-cord technique; use larger sizes for deeper, thicker sulci. Oversized cord tears thin tissue and causes recession, while undersized cord gives too little displacement.
- Impregnation
- Prefer plain cord soaked in an astringent; avoid epinephrine cord for cardiovascular patients. Epinephrine can cause systemic effects, and plain cord lets you choose the hemostatic agent.
- Paste vs cord
- Use paste for supragingival or equigingival margins and healthy tissue; use cord for subgingival margins. Pastes displace the tissue less but are faster and less traumatic.
- Impression compatibility
- Rinse off all astringent and paste residue before taking the impression or scanning. Residue can interfere with impression material set and degrade margin detail.
Brands that matter
- Ultradent: Ultrapak knitted cord is a widely used reference, sold in a broad size range.
- 3M: Astringent Retraction Paste is delivered by capsule.
- Acteon: Expasyl paste, the original cordless retraction paste.
- Premier: Traxodent paste and Gingi-Pak style cords.
- Sure Dent: Sure-Cord knitted cord is a lower-cost option.
What to avoid
- Twisted cords that unravel during packing
- Epinephrine-impregnated cord for patients with cardiac conditions
- Leaving cord in place for long periods, which raises the risk of tissue injury
- Paste-only retraction for deep subgingival margins
Questions
Single or double cord?
Double cord means leaving a thin bottom cord in place while you remove a larger top cord just before the impression. It is commonly used for subgingival margins to keep the sulcus open and dry.