Abstract:
A mixer for mixing a dental composition comprises a mixer housing with a wall of the mixer housing forming a light filter. The light filter provides for substantially blocking light of certain wavelengths, whereas it transmits light of at least some other wavelengths. The invention may help to prevent dental compositions from degrading.
Abstract:
The present invention relates to the prevention of electro-chemical corrosion at charging pins, especially of a battery-powered handpiece and its charging station.
Abstract:
The invention relates to a radiation device that includes a housing, a light-emitting unit and a light-absorbing unit which is provided with an inlet opening and a reflector element. The reflector element extends across the entire distance between the light-emitting unit and the inlet opening of the light-absorbing unit.
Abstract:
The invention relates to a radiation device that includes a housing, a light-emitting unit and a light-absorbing unit which is provided with an inlet opening and a reflector element. The reflector element extends across the entire distance between the light-emitting unit and the inlet opening of the light-absorbing unit.