Abstract: The present invention pertains to an arrangement relating to a sensor plate for dental X-raying or photographic purposes, wherein the plate (10;10?;10?;10??) for example is of a digital or analogue type and is intended for one-time use or for many-times use. The sensor plate (10;10?;10?;10??) includes or carries elements (30,31;30?,31?;61–64;80–82;90;95) that are intended for engagement with a plate holding element (40) in a number of different positions (A–F). The holding element (40) includes means (51,52;50) for engagement with engagement elements (30,31;30,31?;61–64;80–82;90;95) of the sensor plate.