A dental x-ray sensor holder 10 for securing an x-ray sensor 1 to a holder using suction created between the sensor and a backing plate 3 of the sensor holder. The dental x-ray sensor holder generally includes a bite block 2 with a first end and a second end, a backing plate 3 affixed to or formed contiguously with the second end of the bite block, and an opening 17 to a cavity 20 in the holder, wherein said cavity 20 leads an evacuation chamber 14 for creating a vacuum between the holder and an X-ray sensor.