Artificial Saliva Containing Cumin and Ginger Extract in Hemodialysis Patients With Xerostomia

Hemodialysis patients with xerostomia are divided into 2 groups which are group A (start with artificial saliva containing cumin and ginger extract for 2 weeks, free periods 2 weeks, then placebo for 2 weeks) and group B (start with placebo for 2 weeks, free periods 2 weeks, then artificial saliva containing cumin and ginger extract for 2 weeks). Amount of saliva (g/min), xerostomia's questionnaire, Increase of saliva score, World Health Organization Oral Mucositis Grading Scale, acid and base of saliva, quality of life's questionnaire will measure before, after using the sample for 7 and 14 days.