In a practice, this depends on the respective area. The requirements are as follows: Reception, work and office area: at least 500 luxTreatment room: at least 1000 luxOral cavity area: at least 8000 lux If it is decided to create a complete lighting concept for a renovation or a new building, we strongly recommend lighting planning, so that a harmonious lighting concept is created. Please feel free to contact us, we will be happy to advise you!