“…Several authors reported a positive effect of PRF in relieving pain from TN, with no neurological side effects or complications. 1,7 However, in randomized, controlled trials Erdine et al showed that PRF treatment of the GG for TN was not as effective as continuous radiofrequency (CRF) treatment. 8 Exposure time is one of the most important factors affecting the tissue lesion in the CRF technique.…”