209
Participants
Start Date
February 10, 2022
Primary Completion Date
July 19, 2022
Study Completion Date
July 19, 2022
oral spry
Pour sterile distilled water into a 30ml small-capacity spray bottle and spray 4 times at the patient's mouth. They are on the tongue and under the tongue, the left side and the right side of the mouth. The same spray bottle is used by the same person. Consistent dosage and strength.
Cotton swab
Moisten the mouth with sterile distilled water with an oral cotton swab.
National Taiwan University Hospital, Taipei
National Taiwan University Hospital
OTHER