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For acid etching during the sealant-application procedure, the teeth should be etched with phosphoric acid. It needs to remain on each tooth for a minimum of 15 to 20 seconds.

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What is dental etch?

It is a thin substance placed on a prepared tooth before adding a composite filling or a sealant. It's purpose is to make the finishing product stick. :)


What are the long term effects of etching the teeth in preparation for sealant application?

There are no long term effects of etching the teeth before sealant application. The etchant is a strong acid that dissolves the matrix material between the enamel rods that make up the tooth. It is rinsed off within seconds and leaves the tooth with a frosty appearance when dried. The nature of a resin dental sealant is that it requires a mechanical bond with the tooth, this mechanical bond is achieved between the sealant material and the enamel rods. In the case the tooth was "over etched" that is to say the sealant material is not covering the entire etched surface of the tooth, the minerals in the saliva, and topical fluoride rebuild that area of the tooth to make it as sound as it was before the procedure. Shirley Gutkowski, RDH, BSDH www.shirleygutkowskirdh.com


What are the different steps involved in placing a dental sealant?

First you clean the teeth, then you isolate,prime and etch


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Can you use Armour Etch on acrylic surfaces?

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What is the Retention of pit and fissure sealants is a result of?

The retention of pit and fissure sealants is primarily influenced by proper isolation and cleaning of the tooth surface before application. Ensuring the sealant material fully adapts to the tooth structure and is adequately polymerized also contributes to its retention. Routine monitoring and maintenance of the sealant over time can help prolong its effectiveness.