Table 1.

Treatments and components of the products used in this study.

Type of the Treatment	Informative Conversation and Translated and Adapted Leaflet (Facial Pain Team Based at the Royal National ENT and Eastman Dental Hospitals)	Neurobion Injections (100 mg of Vitamin B1 and B6 and 1 mg of Vitamin B12)	Oral Probiotics (BioGaiaProdentis, BioGaia AB, Stockholm, Sweden) One Lozenge Contains the Patented Lactic Acid Bacterium Lactobacillus reuteri Pro-Dentis® (L. reuteri DSM 17938 and L. reuteri ATCC PTA 5289)	LLLT (Aluminium Gallium Arsenide Laser; Ga–Al–As Diode Type of Laser)
Application mode	At the first appointment.	Total of nine vitamin B injections every other day into the gluteal muscle (i.m.), for three weeks, excluding weekends.	One lozenge to melt in the mouth every evening after flossing and toothbrushing for one month.	Applied on three reported burning sites, with a total of 10 treatments once a day for 10 consecutive days, excluding weekends.