Abstract
Light cured specimen of a micro- hybrid compozite Filtek Z 250,shade A2 were aged in destlled water 37 gr. C 5 monthSurface prepared by air abrasion showed higher bond strenght compared to grinding.
Light cured specimen of a micro- hybrid compozite Filtek Z 250,shade A2 were aged in destlled water 37 gr. C 5 monthSurface prepared by air abrasion showed higher bond strenght compared to grinding.