The foam cushion stand is cheap and that is mainly its greatest achievement. It is not convenient to use, it cannot be sterilized, and there is a risk of contamination for the patient. Not only that it is not sterile, but when used for a long time the foam can tear off and microscopic particles of this foam can be carried into the root canal with the endo file. This is not only unhygienic but can cause severe damage to the root canal by contaminating it and expose to bacterial infection. The other file organizer which is the stainless steel box is not lacking its own defects and weaknesses. The main problems are that it is not so convenient to use and maintain. Yes, it can be sterilized, but what is the point of doing it if the whole box will be exposed as soon as you open the lid, and all the endo files will be contaminated within seconds? It means that you can sterilize even a hundred endo files and yet they will be foul to use after the first procedure. And of course, there is a severe problem of corrosion. Indeed stainless steel can withstand a lot of autoclave cycles and it has great resistance against corrosion, but unfortunately great does not mean it is immune to it, and as soon as it happened it can be thrown away.