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Drying Agent

Return Policy All goods returned (unless faulty) in their original sealed packaging and are in a re-saleable condition within 15 days for Gunz and 30 days for Henry Schein will be eligible for refund. Goods purchased from Dentavision shall be returned for credit within 21 days. See full details

Product Details

PrimaDry drying agent is optimal for pit and fissure drying and preparation. It contains 99% organic solvents and 1% primer. PrimaDry drying agent rapidly volatilizes moisture content of pits and fissures after rinsing off etchant with water spray and air drying. The ultrafine primer film allows UltraSeal XT® plus pit and fissure sealant to flow perfectly into every pit and fissure. It is also useful prior to placing composite repairs. Do not use on dentin.

  • For use with UltraSeal XT plus pit and fissure sealant
  • Eliminates moisture that can cause microleakage or poor retention


Indications for Use


​Use PrimaDry drying agent whenever assurance of absolute cavity prep dryness is needed. When placing UltraSeal XT plus sealant, PrimaDry drying agent should always be used to remove moisture from grooves following acid etching and rinsing. This step assures optimum bond of sealant resin, and virtually elminates microleakage.

Technical Details

Helps to Eliminate Moisture that Can Cause Failure

​PrimaDry drying agent is designed to rapidly volatize any moisture remaining in the pits and fissures of teeth after rinsing with water spray and air drying. This prevents any microleakage or poor retention that can come from moisture being trapped in the pits and fissures before the sealant is applied.

Allows Sealants to Flow Easily

​PrimaDry drying agent contains an ultrafine primer that allows sealants to easily flow perfectly into any pit or fissure.


  • Will PrimaDry drying agent cause sealants to flow more easily?

    ​PrimaDry drying agent is 99% organic solvents and 1% primer. The primer will reduce the surface tension of the sealant so that it flows more effectively into the etched enamel surfaces.

  • Can PrimaDry drying agent be used with UltraSeal XT® hydro pit and fissure sealant?

    ​No, we do not recommend the use of PrimaDry drying agent with UltraSeal XT hydro sealant. They weren’t designed to work together. UltraSeal XT hydro sealant works best on slightly moist teeth, and PrimaDry drying agent is designed to help desiccate the tooth.