Highlights ■ Finnish Diabetes Risk Score identified high diabetes risk in most patients with periodontitis. ■ High or very high T2DM risk was observed in 71.5% of participants. ■ Finnish Diabetes Risk Score ≥12 was associated with  dysglycemia and severe periodontitis. ■ Dental clinics may help detect undiagnosed  hyperglycemia early. ABSTRACT Objective: We evaluated the potential of the Finnish Diabetes Risk Score questionnaire to screen for undiagnosed hyperglycemia in patients with periodontitis, comparing its performance with that of glycated hemoglobin […]