“…It may be present in various diseases, among which we stress Sjögren's syndrome (SS) 1 , 4 , 5 , 6 , 7 , 8 , 9 , 10 . Of probable autoimmune origin, SS affects the exocrine glands, which undergo progressive lymphoplasmacytic infiltration and leads to functional failures 9 , 10 . Since the salivary glands are frequently affected by infiltration, the disease is recognized for causing clinically noteworthy xerostomia 9 , 10 .…”