Usefulness of implementing the OHIP‐14 questionnaire to assess the impact of xerostomia and hyposalivation on quality of life in patients with primary Sjögren's syndrome

Background The aim of this study is to analyze if the results of the Oral Health Impact Profile‐14 questionnaire (OHIP‐14) in patients with primary Sjögren's syndrome (pSS) are correlated with salivary flow and level of xerostomia. Methods This observational cross‐sectional study was conducted in 61 patients (60 women, one man, mean age 57.64 [13.52]) diagnosed of pSS according to the American‐European Criteria (2002). After recording demographic, medical and dental data (decayed‐missing‐filled teeth index [DMFT]), unstimulated (UWS) and stimulated (SWS) salivary flows were collected. Subsequently, UWS flow was categorized into two groups (