Hi Peter,
You may want to read one of my earlier posts where I list some possibilities after a visit with my oral surgeon.

"3. The �Raw spot Feeling� and �Burning Mouth Syndrome� could be due to damaged nerves/nerve endings from surgery (Neuropathic pain)."

http://oralcancersupport.org/forums...;Main=10572&Number=118747#Post118747


History Leukoplakia bx 8/2006 SCC floor mouth T3N0M0- Verrucous Carcinoma.
14 hour 0p SCC-Right ND/excision/marginal mandibulectomy 9/2006, 4 teeth removed, flap from wrist, trach-ng 6 days- no chemo/rad.
6 ops and debulking (flap/tongue join) + bx's 2006-2012.
bx Jan 2012 Hyperkeratosis-Epithelial Dysplasia
24cm GIST tumour removed 8/2013. Indefinite Oral Chemo.

1/31/16 passed away peacefully surrounded by family