Gloria, thank you for the waterpik suggestion. I shall purchase one of those, with tongue scraper, ready for when the mucus waves hit.

I wish in the UK we had magic mouthwash. Its not a thing here, sadly.
I know I'll have a fluoride mouthwash, but nothing to relieve pain.

F 39 x-smoker,non drink
05/20/19 T4aN1/N2bM0 SCC L lateral tongue &10mm into R
Pembro pre & post surgery
RIG 08/10/19
Glossectomy ND RFFR 08/13/19
RT x33
2x cispltin
No doing too bad smile