Relationship between periodontal variables and disease severity in patients with chronic obstructive pulmonary disease.

Background: The present study investigated the relationship between certain periodontal variables and severity of disease in COPD patients.

Methods: The present cross-sectional study included 50 patients suffering from COPD. Lung function examination, forced expiratory volume in one second (FEV1), forced vital capacity (FVC), FEV1/FVC, SpO2, and Modified Medical Research Council (MMRC) Dyspnea Scale were performed.