Saliva CollectionSaliva samples wer

Saliva Collection
Saliva samples were obtained at one point before
chemoradiotherapy and at three points during the
treatment (7th, 21st, and 35th sessions of RT) according
to the spitting method proposed by Navazesh [24]. Patients
could not eat or drink an hour before saliva collection
procedure. They washed the mouth with pure water and
swallowed whole saliva before collection.
For unstimulated saliva collection, patients were instructed
to slightly tilt their head down and then they
should expectorate the saliva, which was produced over a