Cerebral palsy was associated with more bite-alignment problems
Observational studies found higher odds of certain bite misalignments among people with cerebral palsy, without establishing cause or future risk.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review found higher odds of Class II malocclusion and open bite among people with cerebral palsy than among those without it. Because the studies assessed existing groups at a single point in time, their findings describe an association. They cannot show that cerebral palsy caused these bite patterns or predict an individual's future risk.
Reviewers flagged concerns about exposure assessment, descriptions of nonrespondents and study comparability. The abstract does not report the final evidence-certainty ratings.
What researchers found
Class II malocclusion (bite misalignment)
Odds were 2.56 times as high with cerebral palsy as without it at cross-sectional assessments; timing was unreported. The confidence interval expresses uncertainty around that odds ratio.
Reading an odds ratio
The estimate compares the odds of a particular bite misalignment between groups. It is not a ratio of probabilities, an absolute measure of risk, or a forecast of who will develop the condition.
Assessing confidence in the result
The review used confidence and prediction intervals and an evidence-certainty framework. These address uncertainty around the pooled associations, but the abstract gives only part of that assessment and highlights concerns about study comparability.
The original publication
Occlusal features in individuals with cerebral palsy: a systematic review and meta-analysis.
Kimura ACRS, Drumond VZ, Oliveira MG et al.
Eur J Orthod · 2025
- PubMed ID
- 40985880
- Record checked
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