The uncertainty caused by the ongoing Corona crisis is also noticeable within the dental industry. Over the past months, together with Koelnmesse, the partners of the 39th edition, IDS 2021, the GFDI mbH, a commercial company of the VDDI, the association and its bodies have intensely occupied themselves with the safety criteria, which makes the physical presence of an international trade fair like IDS possible. Ultimately, different solutions were developed jointly by all of the parties concerned and an alternative concept was drawn up for the trade fair format, IDS.