High prevalence of hyposalivation in individuals with neurofibromatosis 1: a case–control study

Table 1 Questionnaire used in the study group (with NF1)

Questions	Response
Oral Dryness Questionnaire	Yes	No
1. Do you fell dry oral mucosa sensation?	Yes	No
2. Do you feel dry lips sensation?	Yes	No
3. Do you have difficult to swallow dry food?	Yes	No
4. Do you drink liquids to aid swallowing dry food?	Yes	No
5. Do you feel change in saliva viscosity?	Yes	No
6. Do you feel a decreased amount of saliva in your mouth?	Yes	No
7. Do you feel enough or increased amount of saliva in your mouth?	Yes	No
Other Questions	Yes	No
8. Do you intake at least 2 liters of liquid daily?	Yes	No
9. Do you commonly drink caffeinated or stimulant drinks?	Yes	No
10. You are a mouth breather?	Yes	No

ISSN: 1750-1172