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BMC Research Notes

, 9:274

Oral Health


BackgroundEpidemiological data suggest an association between respiratory diseases and periodontal health. However, the link between the overall dental status and single lung function measures, within a practical clinical context, is not well studied.

MethodsFollowing a prospective cross-sectional design, consecutive adult patients were evaluated. Next to spirometry, anthropometric data, profession, smoking status, symptoms, self-rated exercise performance, comorbidities, allergies and medication were determined. Assessment of dental status comprised carious lesions, dental fillings, missing teeth, dentures, insufficient fillings-dentures, implants, oral mucosa diseases, calculus, decayed-missed-filling-teeth DMF-T-index, periodontal screening-index, and orthopantomograms.

ResultsAmong 587 adult patients considered, 206 were included 119 female; median age 42.0 years; 56 % smoking history. Most patients had dental fillings 86.9 %, fix-mobile dentures 66.5 %, missing teeth 56.8 % and calculus 84.0 %, the overall DMF-T being 15 9; 21. Periodontitis was present in 53.9 %, an abnormal orthopanthomogram in 47.9 % of subjects. Regarding spirometric indices expressed as % predicted, dentures, missing teeth, oral mucosal diseases and a DMF-T > 15 median were associated with lower maximal expiratory flows at 25 % of vital capacity MEF25 p < 0.05 each. In adjusted logistic regression analyses, only dentures were associated with low MEF25 % predicted and with the ratio of forced expiratory volume in 1 s to forced vital capacity FEV1-FVC; p < 0.05 each. However, periodontitis and DMF-T were linked to age p < 0.001 and packyears p < 0.05 only.

ConclusionWithin a real-life clinical setting, only the presence of dentures showed weak associations with lung function, suggesting small airways dysfunction and obstruction. Most of the associations were explained by smoking habits and age.

KeywordsPeriodontal disease Oral health Periodontitis Lung disease COPD AbbreviationsBMIbody-mass-index

NYHANew York Heart Association

FEV1forced expiratory volume in 1 s

FVCforced vital capacity

PEFpeak expiratory flow

MEF50maximal expiratory flow at 50 % of vital capacity

MEF25maximal expiratory flow at 25 % of vital capacity

GLIreference values according to global lungs initiative


COPDchronic obstructive pulmonary disease

PSIperiodontal screening-index

ATSAmerican Thoracic Society

PEFpeak expiratory flow

LLNlower limit of normal

WHOWorld Health Organization

PDprobing depth

S1-S3sextants maxillary S1-S3, right-posterior, front, left-posterior

S4-S6sextants mandibular S4-S6, left-posterior, front, right-posterior

GOLDglobal Initiative for chronic obstructive Lung disease

NHANESNational Health and Nutrition Examination Survey

CALclinical attachment loss

CTcomputed tomography

CPITNcommunity periodontal index of treatment needs

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Autor: Christian Henke - Stephan Budweiser - Rudolf A. Jörres


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