If you will do a search of this site on 'mucositis' it will provide more information than I can post here. There are remedies.

http://www.oralcancerfoundation.org/dental/pdf/mucositis.pdf

dx 2/13/06. modified radical neck dissection 3/9/06 multiple biopsies of upper airway and direct laryngoscopy. 1 of 47 lymph nodes positive for metastatic undifferentiated carcinoma (lymphoepithelioma). Unknown primary. Finished radiation 5/24/06.