This invention relates to a medical or dental lighting equipment , is particularly includes a case member and a light guide to an optical mixing device device having a light emitting device for the light -curing unit for the polymerization of dental materials , said light mixing device ( 2 ) is preferably at least one transparent material , in particular made with light mixing elements of rod-shaped made of glass (8 ) a holder ( 7 ) , the light mixing device by the holder ( 2 ) is held removably in a predetermined position with be attached from the light guide between the light-emitting device ( 1 ) and the light guide ( 3 ) . [ Selection Figure ] Figure 1この発明は、医療用あるいは歯科医療用照明装置、特に歯科材料を重合するための光硬化装置のための光混合装置であって装置が発光装置を備えたケース部材と光導体を備えてなり、前記光混合装置(2)が好適には少なくとも1種類の透明性材料、特にガラスからなる棒形状の光混合要素(8)とホルダ(7)を備えてなり、前記ホルダによって前記光混合装置(2)が前記発光装置(1)と光導体(3)の間に取り付け可能であるとともにその光導体から取り外し可能に所定位置に保持される。【選択図】図1