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J Clin Periodontol. 2007 Jan;34(1):46-52. Epub 2006 Nov 24.

Does periodontal care improve glycemic control? The Department of Veterans Affairs Dental Diabetes Study.

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1
VA Center for Health Quality, Outcomes and Economic Research, Bedford, MA, USA. judjones@bu.edu

Abstract

OBJECTIVES:

Report results of a randomized-clinical trial of the efficacy of periodontal care in the improvement of glycemic control in 165 veterans with poorly controlled diabetes over 4 months.

METHODS:

Outcomes were change in Haemoglobin A1c (HbA1c) in the Early Treatment versus untreated (Usual Care) groups and percent of participants with decreases in HbA1c. Analyses included simple/multiple variable linear/logistic regressions, adjusted for baseline HbA1c, age, and duration of diabetes.

RESULTS:

Unadjusted analyses showed no differences between groups. After adjustment for baseline HbA1c, age, and diabetes duration, the mean absolute HbA1c change in the Early Treatment group was -0.65% versus -0.51% in the Usual Care group (p=0.47). Adjusted odds for improvement by 0.5% in the Early Treatment group was 1.67 (95% confidence interval: 0.84, 3.34, p=0.14). Usual Care subjects were twice as likely to increase insulin from baseline to 4 months (20% versus 11%, p=0.12) and less likely to decrease insulin (1% versus 6%, p=0.21) than Early Treatment subjects. Among insulin users at baseline, more increased insulin in the Usual Care group (40% versus 21%, p=0.06).

CONCLUSIONS:

No significant benefit was found for periodontal therapy after 4 months in this study; trends in some results were in favour of periodontal treatment.

[Indexed for MEDLINE]

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