Being poly- vinyl polysiloxane and the impression material for dentistry which consists of the surface active agent, the aforementioned surface active agent, the impression material for dentistry which grants the kind of wettability where the surface connection antenna of the water after approximately 15 seconds of the aforementioned material is under approximately 10 in the composition.ポリビニルシロキサンおよび界面活性剤からなる歯科用印象材料であって、前記界面活性剤が組成物に前記材料の約15秒後の水との表面接触角が約10°未満となるようなぬれ性を付与する歯科用印象材料。