ArticleThe Saudi dental journal2026
Prevalence of xerostomia and its impacts on oral health in type 2 diabetic patients at a Nigerian tertiary hospital: a cross-sectional study.
Article in The Saudi dental journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Diabetes mellitus is globally prevalent and associated with significant health and socioeconomic burden. Xerostomia (Dry Mouth) occurs in about four-fifths of type 2 diabetic patients. Xerostomia has been shown to affect oral health-related quality of life in people affected by the condition. To determine the prevalence of xerostomia and its oral health impact among type 2 diabetic patients attending the diabetic outpatient clinic in a Nigerian tertiary hospital. The study was a cross-sectional study which involved 220 adult patients of both genders attending the diabetic outpatient clinic of a tertiary hospital in south-west Nigeria, who were assessed with the Xerostomia Inventory and the Oral Health Impact Profile-14 (OHIP-14). The saliva test kits by GC Corporation were used to assess xerostomia further. There were 96 males and 124 females. The mean age was 61.67 years ± 11.6, and the age range was 35 to 86 years. There was no statistical significance in the association between age (p = 0.459) and gender (p = 0.088) and xerostomia. The prevalence of xerostomia was 27.7%, and it significantly impacted all domains of the OHIP-14 (p = 0.001). The domains of physical disability and physical pain were most affected, with a median score of 4.0 (p = 0.001). This study reports that approximately a fourth of type 2 diabetic patients experience xerostomia, which significantly impacts their oral health-related quality of life.
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