sealant

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sealant

 [sēl´ant]
an agent that protects against access from the outside or leakage from the inside; called also sealer.
dental sealant a thin plastic coating put into the pits and fissures of teeth to act as a physical barrier to decay.

seal·ant

(sē'lănt),
1. A material used to effect an airtight closure.
2. Substance applied to a damaged organ to affect homeostasis, to curtail other leakage, or to facilitate prolonged drug delivery to a limited area.

sealant

(sē′lənt)
n.
1. A substance, such as sealing wax, used to seal a surface to prevent passage of a liquid or gas.
2. A plastic resin used in dentistry to coat the chewing surfaces of the back teeth to prevent the growth of cavity-causing bacteria.

sealant

[sē′lənt]
an agent that protects against access from the outside or leakage from the inside. See also dental sealant.

sealant

Dentistry A UV light-cured resin used to coat fissures in teeth and prevent cavities Surgery A substance used to close gaps or vessels. See Fibrin sealant.

seal·ant

(sēl'ănt)
1. A material used to effect an airtight closure.
2. Substance applied to a damaged organ to affect homeostasis, to curtail other leakage, or to facilitate prolonged drug delivery to a limited area.

Sealant

A thin plastic substance that is painted over teeth as an anti-cavity measure to seal out food particles and acids produced by bacteria.
Mentioned in: Tooth Decay

seal·ant

(sēl'ănt)
1. Material used to effect an airtight closure.
2. Substance applied to a damaged organ to affect homeostasis, to curtail other leakage, or to facilitate prolonged drug delivery to a limited area.
3. Composite material applied to dental pits and fissures to prevent decay.

sealant

see bone sealant.
References in periodicals archive ?
Penetrating sealers work into the pores and react with the concrete but do not create a film, while clear water-repellant, film-forming systems create a barrier at the surface.
Penetrating sealers fill the grout pores and harden the surface, reducing the absorption of dirt and mold.
A penetrating sealer is all right, but give the surface an extra day or two to dry before preparing food on it.
Penetrating sealers do not need to be reapplied, as they penetrate the concrete and seal all the pores, but they may not penetrate if the concrete is very dense and cannot absorb water.
The Iso-Flex product line of traffic coatings, roof coatings, sealants, penetrating sealers and expansion joint systems provides a complete package of products for the protection of concrete structures.
So if you have smooth steps or walkways, there's an alternative you should know about: Penetrating sealers such as "silane" and "siloxane" create a barrier within the concrete rather than on the surface.
Rejuvenating or penetrating sealers are products intended to, as the names imply, penetrate and rejuvenate the surface of an asphalt pavement.
Fog sealing is a practice used for asphalt emulsions and penetrating sealers.
Penetrating sealers do not change the appearance of the surface.
Penetrating sealers are commonly applied to natural stone waterfeatures to help stop water loss and the bleeding of the stone.
3M stain-resistant additives and sealers can be used on their own, as penetrating sealers or formulated into a variety of coatings, adhesives and other construction materials to add repellency and stain release characteristics.
The product line includes four water-based micro-emulsion sealers including Okon W-1 Water-Repellent Sealel, Okon Multi-Surface Water-Repellent Sealer, Okon W2 Water-Repellent Sealer and Okon Plugger Water-Repellent Sealer; and two water-based silane/siloxane penetrating sealers including Okon S-20 Water-Repellent Sealer and Okon S-40 Heavy Duty Water-Repellent Sealer.