Changes in Protein Composition of Saliva from Radiation-induced Xerostomia Patients and Its Effect on Growth of Oral Streptococci

Abstract
Clarified and dialyzed mixed saliva-water rinses, obtained from patients receiving radiation treatment of the major salivary glands, exhibited quantitative reductions in total protein content and qualitative changes in protein composition. Radiation or post-radiation saliva preparations supported enhanced growth of Streptococcus mutans, but reduced growth of Streptococcus sanguis relative to growth on pretreatment saliva.