Inclusion criteria:
People's satisfaction with the trial
Patients with head and neck cancers undergoing radiotherapy
Have received at least 36-40 Gy of radiation
At least 4 weeks have passed since the start of their radiotherapy treatment.
Not allergic to saffron
Absence of heart diseases and blood pressure
Exclusion criteria:
Suffering from other oral and dental diseases.
Long-term use of anti-coagulant and anti-platelet drugs.
Systemic conditions such as pregnancy and breastfeeding, diabetes, hypertension, autoimmune diseases, GVHD, use of saliva reducing drugs, alcohol use, drug addiction, bone marrow transplantation, active lesion, oral infection and mucosal wounds before starting radiotherapy
Lack of consent to continue the trial and lack of consent to continue the treatment.
Performing any surgery and trauma
Suffering from any heart, liver and kidney failure and any disease that has manifestations similar to oral mucositis.