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hydrocolloid |
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hydrocolloid /hy·dro·col·loid/ (-kol´oid) a colloid system in which water is the dispersion medium.
hydrocolloid, a gelatinous colloid in which water is the dispersion material. It is used in dentistry as an impression material. hydrocolloid (hī´drōkol´oid), n.pl 1. the materials listed as colloid solids with water; used in dentistry as elastic impression materials. They can be reversible or irreversible. n.pl 2. an agar-base impression material. hydrocolloid, irreversible (alginate), n a type whose physical condition is changed by a chemical action that is not reversible. It is an impression material that is elastic when set. See also alginate. hydrocolloid, reversible (agar-agar type), n a type whose physical condition is changed by temperature. The material is made fluid by heat and becomes an elastic solid on cooling. hydrocolloid a colloid in which water is the dispersion medium. hydrocolloid wound dressing impermeable to oxygen and carbon dioxide, the colloid interacts with tissue fluid to form a nonadhesive gel. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Advanced wound management products include Hydrogel (amorphous and saturated gauze pads), Alginate, Hydrocolloid, and LoProfile[R] Foam Dressings. Plus, moistened gauze is much cheaper in the short term than the hydrocolloid dressings and vacuums that suck out wound fluid. Hydrocoll is a self-adhesive absorbent hydrocolloid dressing covered with a semi-permeable polyurethane layer that prevents bacterial and moisture penetration. |
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