Systematic review and meta-analysis on prevalence and risk factors for gingival recession
Bibliographic record
Abstract
• Gingival recession is a prevalent condition in the general population worldwide. • Male gender, smoking, and alcohol consumption are significant risk factors. • Dental plaque increases the risk of the formation of gingival recessions. • Factors like a high frenulum and occlusal trauma contribute to gingival recessions. • Periodontitis and previous periodontal treatment are linked to gingival recessions. Gingival recession is a common mucogingival condition. The aim of this systematic review and meta-analysis was to assess the prevalence of gingival recession and identify associated risk factors in the general population. Observational studies reporting prevalence and risk factors for gingival recession published since 2000 were included. Methodological quality was assessed using the modified Newcastle-Ottawa scale for cross-sectional studies. Random-effect meta-analyses were conducted for the prevalence (%) of gingival recession at different cut-off scores (≥1 mm, ≥3 mm, and ≥5 mm) and odds ratios (OR) of identified risk factors. MEDLINE, Embase, Scopus, and Web of Science were systematically searched in November 2024. Additionally, a hand search was performed. The study was registered in PROSPERO (CRD42024516816). 21 sources, reporting on 22 studies were included in this systematic review. Most of the included studies represented a low risk of bias. Overall, estimated prevalence of gingival recession was 81.1 % (95 %-CI: 73.9–86.7) for ≥1 mm, 48.4 % (95 %-CI: 39.7–57.2) for ≥3 mm, and 16.2 % (95 %-CI: 9.1–27.4) for ≥5 mm. Risk factors were structured into domains. Meta-analyses revealed male gender (p adj. <0.001; OR=1.52, 95 %-CI: 1.36–1.69), smoking (p adj. =0.003; OR=1.84, 95 %-CI: 1.33–2.53), alcohol consumption (p adj. <0.001; OR=2.04, 95 %-CI: 1.51–2.75), dental plaque (p adj. <0.001; OR=4.26, 95 %-CI: 2.91–6.24), presence of a high frenulum (p adj. <0.001; OR=4.58, 95 %-CI: 2.58–8.11), occlusal trauma (p adj. =0.003; OR=3.20, 95 %-CI: 1.74–5.87), periodontitis (p adj. <0.001; OR=9.90, 95 %-CI: 4.15–23.60), and history of periodontal treatment (p adj. <0.001; OR=1.86, 95 %-CI: 1.33–2.58) to be significantly associated with gingival recession. Observational studies indicated that gingival recession is a highly prevalent condition associated with a variety of risk factors. Gingival recession is associated with periodontal conditions like periodontitis, high frenulum, and modifiable factors such as smoking, alcohol consumption, and occlusal trauma. Clinicians should primarily focus on identifying these risk factors and implementing preventive strategies.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.005 | 0.002 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".