Abstract: The present patent application relates to a kit for cementation on dental implants comprising a) one or several predosed disposable packages containing a solid component (e.g. zinc oxide), b) a dropper bottle consisting of dropper insert and container, containing an acid component (e.g. phosphoric acid), the dropper bottle dropwise dispensing the acid upon pressure on the container, the dropper insert being characterized in that it dispenses an exactly defined amount of acid per drop.