Comparative Evaluation of Giomer Varnish vs Fluoride Varnish as Desensitizing Agents in Teeth With MIH

* After dryness and isolation are accomplished, Giomer varnish ( PRG coat barrier, by Shofu) will be applied once at the first treatment visit, one drop of PRG Coat Barrier ACTIVE will be added to the container provided in the package containing PRG Coat Barrier BASE the materials will be mixed together with a disposable tip provided by the kit a thin layer is to be applied and left untouched for 3 seconds according to manufacturer instructions and finally varnish is to be light-cured.

After dryness and isolation are accomplished, fluoride varnish (Biflourid 10, by Voco ) single-use type, the foil in the single-use Bifluorid 10 will be pierced using Micro-Tim brush, then a thin layer of the varnish is to be applied using a micro brush for four sessions at a frequency of one session each week, the varnish will be left undisturbed for 10-20 seconds then air-dried according to manufacturer instructions.