unfilled sealant

un·fill·ed seal·ant

(ŭn-fild sēlănt)
Resin-based sealant material that does not contain filler particles; has a low viscosity that permits deeper penetration into the pits and fissures of a tooth.
See also: sealant
References in periodicals archive ?
If an unfilled sealant is used, occlusal adjustments are not required due to the "self-occluding" nature of the material.
Results indicated that acidulated phosphate fluorides may cause deterioration of semi-filled sealants and glass ionomers, but not unfilled sealants.
29] who suggested that natural wear of unfilled sealants is sufficient to establish appropriate occlusion, while use of a semi-filled sealant material requires checking the occlusion and possible adjustment of the occlusal contacts.