More complex investigations,
such as quantitative sensory testing (QST)
which may be useful when investigating
trigeminal neuropathic pain, should
only be arranged by specialists who
can interpret the results. Quantitative
sensory testing is a psychophysical test
and is a reliable way of assessing large
and small sensory nerve fibre function.
Results should always be interpreted in
light of the patient’s clinical presentation.
Psychological investigations are generally
not arranged by the primary dental