[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
Comment & Response
May 14, 2014

Hemoglobin A1c Levels Among Patients With Diabetes Receiving Nonsurgical Periodontal Treatment

Author Affiliations
  • 1Dental Faculty, Toulouse University Hospital, Toulouse, France
JAMA. 2014;311(18):1920-1921. doi:10.1001/jama.2014.2225

To the Editor The study by Engebretson and colleagues1 adds knowledge about the effect of periodontal treatment on glycemic control in patients with type 2 diabetes and moderate to advanced chronic periodontitis. The authors of this multicenter randomized study (the Diabetes and Periodontal Therapy Trial [DPTT]) concluded that nonsurgical periodontal therapy did not improve HbA1c values. Despite its high internal validity, this trial raises some important interpretation issues, particularly regarding the interventions that were compared.

First Page Preview View Large
First page PDF preview
First page PDF preview