Healing at a Pokémon Center (or any similar party-healing service) fully restores the PP of all party Pokémon's moves; from Generation II onward, any Pokémon deposited in the PC has the PP of all of its moves fully restored.

Does full restore work?

A Full Restore is an upgraded version of the Max Potion. It is an item that fully restores the HP and heals any Status ailments of a Pokémon. It has no effect on a fainted Pokémon. They cost 3000 Pokémon Dollars at Poké Marts and can be sold for 1500 Poké Dollars.

Do full restores revive Pokémon?

It fully restores a Pokémon's HP and cures it of all non-volatile status conditions and confusion. It is an improved counterpart of the Potion, Super Potion, Hyper Potion, and Max Potion.