The SpaceCHQR device is a series of medical grade stainless steel gauges of specific thicknesses which allow both patients and dental health care professionals to measure the distances between teeth down to a 10 micron (0.01mm) tolerance.
Gauge Widths:
This is a particularly useful device as it verifies: (1) if too much space exists between teeth (a food trap) or (2) if there is insufficient space to allow for tooth movement during orthodontic treatment.