Gum chewing (sugar-free) vs Within-subject before/after comparison of soft gum vs hard gum (no no-gum control)
Oral mucosal moisture · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth
One small study found that chewing hard (but not soft) gum increased oral mucosal moisture.
1 finding from 1 review
- The effect of gum chewing on xerostomia and salivary flow rate in elderly and medically compromised subjects: a… 2023 All outcomes2-week chewing period (soft then hard gum, with 2-week wash-out) · Haemodialysis units, elderly / geriatric care, cancer and palliative care, and xerostomia / hyposalivation clinics (studies from multiple countries)Single study [22] (Nakagawa 2017): chewing hard gum significantly increased oral mucosal moisture whereas chewing soft gum did not.1 study · 12 participantsGRADE not reported