Non-Cochrane · aetiology · PM41663384

Linking lungs and gums: a meta-analysis of periodontitis prevalence and severity in chronic obstructive pulmonary disease.

Sivaramakrishnan Gowri, Sridharan Kannan · BDJ open · 2026 · PubMed · doi:10.1038/s41405-026-00403-6

Findings

32 findings

Population
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of severe periodontitis
COPD group with less than 50% smokers
Prevalence (proportion) 0.18 [0.07, 0.30]
GRADE not reported
4 studies · 8027 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
COPD group with more than 50% smokers
Prevalence (proportion) 0.44 [0.31, 0.57]
GRADE not reported
9 studies · 7286 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
Cohort studies
Prevalence (proportion) 0.37 [0.12, 0.63]
GRADE not reported
4 studies · 3931 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of periodontitis (severity not specified)
COPD group with more than 50% smokers
Prevalence (proportion) 0.59 [0.38, 0.80]
GRADE not reported
6 studies · 3779 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of moderate periodontitisPrevalence (proportion) 0.25 [0.16, 0.34]
GRADE not reported
6 studies · 4204 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of severe periodontitis
COPD group with more than 50% smokers
Prevalence (proportion) 0.34 [0.18, 0.50]
GRADE not reported
4 studies · 2571 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
Cross-sectional studies
Prevalence (proportion) 0.38 [0.28, 0.47]
GRADE not reported
8 studies · 14378 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of severe periodontitisPrevalence (proportion) 0.26 [0.15, 0.37]
GRADE not reported
8 studies · 10598 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
Trim-and-fill adjusted (6 studies imputed)
Prevalence (proportion) 0.22 [0.09, 0.34]
GRADE not reported
Studies not reported
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of periodontitis (severity not specified)Prevalence (proportion) 0.59 [0.38, 0.80]
GRADE not reported
6 studies · 3779 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
COPD group with less than 50% smokers
Prevalence (proportion) 0.19 [0.12, 0.26]
GRADE not reported
4 studies · 11295 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of moderate periodontitis
COPD group with less than 50% smokers
Prevalence (proportion) 0.21 [0.14, 0.27]
GRADE not reported
3 studies · 3268 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Prevalence of moderate periodontitis
COPD group with more than 50% smokers
Prevalence (proportion) 0.30 [0.13, 0.46]
GRADE not reported
3 studies · 936 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
Case-control studies
Prevalence (proportion) 0.16 [0.11, 0.21]
GRADE not reported
1 study · 272 participants
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)
Leave-one-out sensitivity analysis
Leave-one-out sensitivity analysis demonstrated that the pooled prevalence ranged from 33% to 37% when each study was omitted one at a time
GRADE not reported
13 studies
Patients with COPDCOPD (exposure group; single-group prevalence)Not applicable (no comparator)Periodontitis prevalence (all categories combined)Prevalence (proportion) 0.35 [0.25, 0.45]
GRADE not reported
13 studies · 18581 participants
Patients with COPD and participants without COPDCOPDWithout COPDOdds of CAL > 3 mm (number of patients)OR 2.45 [1.39, 4.33]
GRADE not reported
7 studies · 25928 participants
Patients with COPD and participants without COPDCOPDWithout COPDPeriodontitis (odds in COPD vs non-COPD)
Trim-and-fill adjusted (3 studies imputed)
OR 1.13 [0.66, 1.91]
Very low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
6 studies · 36197 participants
Patients with COPD and participants without COPDCOPDWithout COPDMean probing (pocket) depth (PD)SMD 0.72 [0.12, 1.31]
Very low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
16 studies · 14845 participants
Patients with COPD and participants without COPDCOPDWithout COPDOdds of PD > 5 mm (number of patients)OR 1.60 [0.92, 2.76]
GRADE not reported
4 studies · 9499 participants
Patients with COPD and participants without COPDCOPDWithout COPDPeriodontitis (odds in COPD vs non-COPD)
Severe periodontitis
OR 1.13 [0.76, 1.68]
GRADE not reported
2 studies · 11673 participants
Patients with COPD and participants without COPDCOPDWithout COPDMean clinical attachment loss (CAL)
Trim-and-fill adjusted (2 studies imputed)
SMD 0.49 [0.12, 0.87]
Low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
18 studies · 29271 participants
Patients with COPD and participants without COPDCOPDWithout COPDPeriodontitis (odds in COPD vs non-COPD)OR 1.66 [1.11, 2.48]
Very low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
6 studies · 36197 participants
Patients with COPD and participants without COPDCOPDWithout COPDMean probing (pocket) depth (PD)
Leave-one-out sensitivity analysis
Leave-one-out sensitivity analysis (Supplementary File 13) further supported this finding, consistently showing significantly greater mean PD in COPD patients when each study was omitted one at a time.
GRADE not reported
16 studies
Patients with COPD and participants without COPDCOPDWithout COPDMean bleeding on probing (BOP)SMD 1.49 [0.19, 2.79]
Low
Downgraded: risk of bias, inconsistency
3 studies · 258 participants
Patients with COPD and participants without COPDCOPDWithout COPDPeriodontitis (odds in COPD vs non-COPD)
Periodontitis (severity not specified)
OR 2.03 [1.25, 3.28]
GRADE not reported
4 studies · 12851 participants
Patients with COPD and participants without COPDCOPDWithout COPDPeriodontitis (odds in COPD vs non-COPD)
Moderate periodontitis
OR 1.69 [0.42, 6.70]
GRADE not reported
2 studies · 11673 participants
Patients with COPD and participants without COPDCOPDWithout COPDMean clinical attachment loss (CAL)
Leave-one-out sensitivity analysis
Leave-one-out sensitivity analysis further supported this finding, consistently showing significantly greater mean CAL in COPD patients when each study was omitted one at a time.
GRADE not reported
18 studies
Patients with COPD and participants without COPDCOPDWithout COPDMean clinical attachment loss (CAL)SMD 0.68 [0.37, 0.98]
Low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
18 studies · 29271 participants
Patients with COPD and participants without COPDCOPDWithout COPDPeriodontitis (odds in COPD vs non-COPD)
Leave-one-out sensitivity analysis
Leave-one-out sensitivity analysis further confirmed this association, showing consistently elevated odds ranging from 1.4 to 1.7 when each study was omitted one at a time
GRADE not reported
6 studies
Patients with COPD and participants without COPDCOPDWithout COPDMean probing (pocket) depth (PD)
Trim-and-fill adjusted (3 studies imputed)
SMD 0.24 [-0.54, 1.01]
Very low
Downgraded: risk of bias, imprecision, inconsistency, publication bias
16 studies · 14845 participants
Patients with COPD and participants without COPDCOPDWithout COPDOdds of PD > 3 mm (number of patients)OR 2.05 [1.62, 2.60]
GRADE not reported
5 studies · 25233 participants

Included primary studies 42

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Prasanna 2011
Causal relationship between periodontitis and chronic obstructive pulmonary disease.
PMID:22368360
20111 other reviewnot statednot extracted yet
Baldomero 2019
The relationship between oral health and COPD exacerbations.
PMID:31114185
2019this review onlynot statednot extracted yet
Barros 2013
A cohort study of the impact of tooth loss and periodontal disease on respiratory events among COPD subjects: modulatory role of systemic…
PMID:23950871
2013this review onlynot statednot extracted yet
Bergstrom 2013
Dental health in smokers with and without COPD.
PMID:23544074
2013this review onlynot statednot extracted yet
Bomble 2020
Association of periodontal status with lung function in patients with and without chronic obstructive pulmonary disease visiting a medical…
PMID:31983848
2020this review onlynot statednot extracted yet
Chrysanthakopoulos 2014
Association between indices of clinically-defined periodontitis and self-reported history of systemic medical conditions.
PMID:25048420
2016this review onlynot statednot extracted yet
Chrysanthakopoulos 2020
Different pathways lead to mitochondrial fragmentation during apoptotic and excitotoxic cell death in primary neurons.
PMID:20201108
2010this review onlynot statednot extracted yet
Chung 2016
Associations Between Periodontitis and Chronic Obstructive Pulmonary Disease: The 2010 to 2012 Korean National Health and Nutrition…
PMID:26912338
2016this review onlynot statednot extracted yet
Deo 2009
Periodontitis as a potential risk factor for chronic obstructive pulmonary disease: a retrospective study.
PMID:20139573
2009this review onlynot statednot extracted yet
Gupta 2020
Association between periodontal disease and chronic obstructive pulmonary disease: A case–control study
DOI:10.4103/ijds.ijds_89_20
2020this review onlynot statednot extracted yet
Gupta 2020
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Harland 2018
Periodontitis modifies the association between smoking and chronic obstructive pulmonary disease in Japanese men.
PMID:29925707
2018this review onlynot statednot extracted yet
Henke 2016
Lung function and associations with multiple dimensions of dental health: a prospective observational cross-sectional study.
PMID:27184138
2016this review onlynot statednot extracted yet
Hyman 2004
Cigarette smoking, periodontal disease: and chronic obstructive pulmonary disease.
PMID:15025211
2004this review onlynot statednot extracted yet
Javaheri 2020
Periodontal Status, Its Treatment Needs, and Its Relationship with Airflow Limitation and Quality of Life in COPD Patients.
PMID:33209078
2020this review onlynot statednot extracted yet
Jung 2020
Association between oral health status and chronic obstructive pulmonary disease in Korean adults.
PMID:31802488
2020this review onlynot statednot extracted yet
Katancik 2005
Periodontitis and airway obstruction.
PMID:16277589
2005this review onlynot statednot extracted yet
Kedlaya 2021
Comparative evaluation of serum cotinine levels in chronic periodontitis and chronic obstructive pulmonary disease.
PMID:34667383
2021this review onlynot statednot extracted yet
Komerik 2005
Oral health in patients on inhaled corticosteroid treatment.
PMID:16120117
2005this review onlynot statednot extracted yet
Kucukcoskun 2013
Initial periodontal treatment for prevention of chronic obstructive pulmonary disease exacerbations.
PMID:23003917
2013this review onlynot statednot extracted yet
Ledic 2013
Periodontal disease increases risk for chronic obstructive pulmonary disease.
PMID:24308240
2013this review onlynot statednot extracted yet
Liu 2012
Oral hygiene, periodontal health and chronic obstructive pulmonary disease exacerbations.
PMID:22092913
2012this review onlynot statednot extracted yet
Liu 2023
Association between symptoms of severe periodontitis and post-bronchodilator lung function: results from the China pulmonary health study.
PMID:37330486
2023this review onlynot statednot extracted yet
Lopez-de-Andres 2018
Is COPD associated with periodontal disease? A population-based study in Spain.
PMID:30425473
2018this review onlynot statednot extracted yet
Offenbacher 2012
Obstructive airway disease and edentulism in the atherosclerosis risk in communities (ARIC) study.
PMID:23253873
2012this review onlynot statednot extracted yet
Oztekin 2014
The association between periodontal disease and chronic obstructive pulmonary disease: a case control study.
PMID:24378084
2014this review onlynot statednot extracted yet
Peter 2013
Association between periodontal disease and chronic obstructive pulmonary disease: a reality or just a dogma?
PMID:23339345
2013this review onlynot statednot extracted yet
Raj 2018
The effect of 6 months or longer duration of chronic obstructive respiratory disease medication on the oral health parameters of adults.
PMID:29603344
2018this review onlynot statednot extracted yet
Sanghavi 2024
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Sapey 2019
The clinical and inflammatory relationships between periodontitis and chronic obstructive pulmonary disease.
PMID:32567697
2020this review onlynot statednot extracted yet
Sathyanarayana 2023
Periodontal health status among chronic obstructive pulmonary disease with age- and gender-matched controls.
PMID:37781331
2023this review onlynot statednot extracted yet
Scannapieco 2001
Potential associations between chronic respiratory disease and periodontal disease: analysis of National Health and Nutrition Examination…
PMID:11210073
2001this review onlynot statednot extracted yet
Sepolia 2021
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Si 2012
Association between periodontitis and chronic obstructive pulmonary disease in a Chinese population.
PMID:22248220
2012this review onlynot statednot extracted yet
Subappa 2023
Unmasking the Silent Threat: Periodontal Health's Impact on COPD Severity and Hospitalization.
PMID:38138940
2023this review onlynot statednot extracted yet
Takeuchi 2019
Periodontitis Is Associated with Chronic Obstructive Pulmonary Disease.
PMID:30848974
2019this review onlynot statednot extracted yet
Tan 2019
Relationship among clinical periodontal, microbiologic parameters and lung function in participants with chronic obstructive pulmonary…
PMID:30086190
2019this review onlynot statednot extracted yet
Tereshima 2016
The association between dental health and nutritional status in chronic obstructive pulmonary disease.
PMID:27056058
2017this review onlynot statednot extracted yet
Wang 2009
Periodontal health, oral health behaviours, and chronic obstructive pulmonary disease.
PMID:19614723
2009this review onlynot statednot extracted yet
Winning 2019
Periodontitis and airflow limitation in older Swedish individuals.
PMID:32246489
2020this review onlynot statednot extracted yet
Yildirim 2013
Periodontal health and serum, saliva matrix metalloproteinases in patients with mild chronic obstructive pulmonary disease.
PMID:22967248
2013this review onlynot statednot extracted yet
Zhou 2020
Periodontal Status and Microbiologic Pathogens in Patients with Chronic Obstructive Pulmonary Disease and Periodontitis: A Case-Control…
PMID:32943860
2020this review onlynot statednot extracted yet

Overlap with other reviews

Reviews that include the same primary studies are not independent evidence. Shared counts match studies by PMID, DOI or NCT, and otherwise by author and year (a probable match). Only the non-Cochrane dental reviews have study lists, so overlap with Cochrane reviews is not counted yet.

Review question

ElementPlanned (methods)Found (results)
PopulationParticipants with or without COPD for whom periodontal parameters (periodontitis prevalence, PD, BOP, CAL) were measured; clinical studies of patients with COPD with clear diagnostic criteria for COPD and periodontitisAdults with COPD (n=41 studies; case groups) and non-COPD controls (n=13 prevalence studies, 18,581 COPD patients)
InterventionPatients with COPD (exposure group)COPD (41 studies; 13 prevalence, 6 odds of periodontitis, 4 BOP, 21 CAL, 19 PD)
ComparisonPatients without COPD, or no control groupWithout COPD (controls) or no control group
OutcomesPrevalence of periodontitis (primary); mean BOP, mean PD, mean CAL; number of patients with PD and CAL > 3 mm; number with PD > 5 mmPeriodontitis prevalence (13 studies, n=18,581); odds of periodontitis (6 studies); mean BOP (4); mean CAL (21); mean PD (19); CAL and PD > 3 mm and PD > 5 mm (14 studies)
Study designsObservational studies (case-control, cohort, cross-sectional) and randomized and non-randomized clinical studies; peer-reviewed, any year41 observational studies (cross-sectional, case-control, cohort, national surveys); no randomized trials identified
TimingNot specifiedNot specified