1. participants who established antiviral, corticosteroid, antimicrobial, or immunosuppressive medications. 2. known allergy to one of the constituents of the mouth rinse 3. thyroid disease or on current radioactive iodine treatment 4. pregnant or breastfeeding women 5. lithium therapy 6. history of radiotherapy or chemotherapy 7. use of mouthwash before presented to tetamman clinics

1. participants who established antiviral, corticosteroid, antimicrobial, or immunosuppressive medications. 2. known allergy to one of the constituents of the mouth rinse 3. thyroid disease or on current radioactive iodine treatment 4. pregnant or breastfeeding women 5. lithium therapy 6. history of radiotherapy or chemotherapy 7. use of mouthwash before presented to tetamman clinics

participants who established antiviral, corticosteroid, antimicrobial, or immunosuppressive medications. known allergy to one of the constituents of the mouth rinse thyroid disease or on current radioactive iodine treatment pregnant or breastfeeding women lithium therapy history of radiotherapy or chemotherapy use of mouthwash before presented to tetamman clinics

participants who established antiviral, corticosteroid, antimicrobial, or immunosuppressive medications. known allergy to one of the constituents of the mouth rinse thyroid disease or on current radioactive iodine treatment pregnant or breastfeeding women lithium therapy history of radiotherapy or chemotherapy use of mouthwash before presented to tetamman clinics

participants who started hydroxychloroquine treatment or on antibiotics. known allergy to one of the constituents of the mouth rinse thyroid disease or on current radioactive iodine treatment pregnant or breastfeeding women lithium therapy participants on corticosteroid medication has sjogren's syndrome immune-compromised (hiv/aids, cancer, organ transplant, or immunosuppressive medications) history of radiotherapy or chemotherapy use of mouthwash or miswak before presented to tetamman clinics

participants who started hydroxychloroquine treatment or on antibiotics. known allergy to one of the constituents of the mouth rinse thyroid disease or on current radioactive iodine treatment pregnant or breastfeeding women lithium therapy participants on corticosteroid medication has sjogren's syndrome immune-compromised (hiv/aids, cancer, organ transplant, or immunosuppressive medications) history of radiotherapy or chemotherapy use of mouthwash or miswak before presented to tetamman clinics

1. participants who started hydroxychloroquine treatment or on antibiotics. 2. known allergy to one of the constituents of the mouth rinse 3. thyroid disease or on current radioactive iodine treatment 4. pregnant or breastfeeding women 5. lithium therapy 6. participants on corticosteroid medication 7. has sjogren's syndrome 8. immune-compromised (hiv/aids, cancer, organ transplant, or immunosuppressive medications) 9. history of radiotherapy or chemotherapy 10. use of mouthwash or miswak before presented to tetamman clinics

1. participants who started hydroxychloroquine treatment or on antibiotics. 2. known allergy to one of the constituents of the mouth rinse 3. thyroid disease or on current radioactive iodine treatment 4. pregnant or breastfeeding women 5. lithium therapy 6. participants on corticosteroid medication 7. has sjogren's syndrome 8. immune-compromised (hiv/aids, cancer, organ transplant, or immunosuppressive medications) 9. history of radiotherapy or chemotherapy 10. use of mouthwash or miswak before presented to tetamman clinics