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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews · Dental caries

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Gastroesophageal or laryngopharyngeal reflux (GERD/LPR) vs Healthy controls

Salivary function impairment (buffering capacity, flow rate, oral pH) · Adults with gastroesophageal reflux disease (GERD) or laryngopharyngeal reflux (LPR)

Reflux is associated with impaired salivary function (notably reduced buffering capacity) as a proposed pathophysiological mechanism, based on several ungraded studies.

1 finding from 1 review
  • Laryngopharyngeal reflux, gastroesophageal reflux and dental disorders: A systematic review. 2020 All outcomes
    Adult patients in gastroenterology, ENT and dental clinical settings
    Mixed/controversial salivary findings: reduced salivary buffering capacity supported in three studies (Correa, Holbrook, Filipi) with low oral pH and reduced flow as additional factors in GERD patients, but Meurman and Schroeder found no significant salivary abnormalities; no pooled estimate.
    6 studies
    GRADE not reported