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Obese patients more at risk of periodontitis

6 October 2014

Obese patients more at risk of periodontitis

Patients who are obese or overweight are more likely to have periodontitis, according to a study by researchers at the University College London (UCL) Eastman Dental Institute.

The researchers recruited patients from the UCL Eastman Dental Hospital Unit of Periodontology for case patients and from the institution’s restorative dentistry programme to serve as control patients. The majority of patients in the control group were classified as underweight or normal weight, while the majority in the case study group were overweight or obese.

The researchers found that, on average, the case study group has fewer teeth (27.90 versus 28.51) and a lower full-mouth plaque score (45.49 versus 52.36). They also found that that case study group had higher full-mouth bleeding score (52.79 versus 20.61) and almost double the periodontal probing depth (3.80 versus 1.99).

The estimated odds ratio for having periodontitis if an individual was overweight was 2.56 and for an obese individual was 3.11, compared with a normal BMI. The researchers found that patients with a BMI of 24.32 or higher were 1.6 times more likely to have a diagnosis of periodontitis, reports. 

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