Non-Cochrane · aetiology · PM42410842

Correlation between temporomandibular disorders and the history of orthodontic treatment: A systematic review and meta-analysis.

Lang Xin, Guo Ge, He Zhengquan · Medicine · 2026 · PubMed · doi:10.1097/md.0000000000049626

Findings

Population Adults (18 years or older) with or without temporomandibular disorders

5 findings

History of completed orthodontic treatmentNo history of orthodontic treatmentOccurrence/correlation of temporomandibular disorders (TMDs)
At most recent examination (prospective follow-up 30 months to 20 years) · Not specified · Sensitivity analysis: Shalish 2024 excluded
OR 1.48 [1.15, 1.91]
GRADE not reported
4 studies · 6680 participants
History of completed orthodontic treatmentNo history of orthodontic treatmentOccurrence/correlation of temporomandibular disorders (TMDs)
At most recent examination (prospective follow-up 30 months to 20 years) · Not specified · Overall (all 5 studies)
OR 1.12 [0.67, 1.89]
9 [-27, 65] per 1000 (more)
Very low
Downgraded: inconsistency, indirectness
5 studies · 6971 participants
History of completed orthodontic treatmentNo history of orthodontic treatmentOccurrence/correlation of temporomandibular disorders (TMDs)
At most recent examination (prospective follow-up 30 months to 20 years) · Not specified · Subgroup: cross-sectional study (single study)
OR 1.61 [1.18, 2.20]
GRADE not reported
1 study · 5567 participants
History of completed orthodontic treatmentNo history of orthodontic treatmentOccurrence/correlation of temporomandibular disorders (TMDs)
At most recent examination (prospective follow-up 30 months to 20 years) · Not specified · Subgroup: case-control studies
OR 0.82 [0.38, 1.75]
GRADE not reported
2 studies · 893 participants
History of completed orthodontic treatmentNo history of orthodontic treatmentOccurrence/correlation of temporomandibular disorders (TMDs)
At most recent examination (prospective follow-up 30 months to 20 years) · Not specified · Subgroup: prospective cohort studies
OR 1.71 [0.55, 5.30]
GRADE not reported
2 studies · 511 participants

Included primary studies 5

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Macfarlane 2009
Twenty-year cohort study of health gain from orthodontic treatment: temporomandibular disorders.
PMID:19524817
2009this review onlyOccurrence/correlation of temporomandibular disorders (TMDs)not extracted yet
Manfredini 2016
Orthodontics is temporomandibular disorder-neutral.
PMID:26512757
2016this review onlyOccurrence/correlation of temporomandibular disorders (TMDs)not extracted yet
Shalish 2024
The association between orthodontic treatment and temporomandibular disorders diagnosis and disease characteristics.
PMID:38054581
2024this review onlyOccurrence/correlation of temporomandibular disorders (TMDs)not extracted yet
Sim 2019
Investigation of the association between orthodontic treatment and temporomandibular joint pain and dysfunction in the South Korean…
PMID:31149608
2019this review onlyOccurrence/correlation of temporomandibular disorders (TMDs)not extracted yet
Slade 2008
Orthodontic Treatment, Genetic Factors and Risk of Temporomandibular Disorder.
PMID:18663384
2008this review onlyOccurrence/correlation of temporomandibular disorders (TMDs)not extracted yet

Review question

ElementPlanned (methods)Found (results)
PopulationAdults (18 years or older at last clinical evaluation) with clear TMD diagnosis including clinical examination; groups comparable in gender or adjustedAdults, 6971 participants (3165 male, 3806 female) (n=5)
InterventionHistory of completed orthodontic treatment (exposure)History of orthodontic treatment (n=5)
ComparisonNo history of orthodontic treatmentNo history of orthodontic treatment (n=5)
OutcomesOccurrence and development of TMDs (OR)TMDs, OR (n=5)
Study designsRandomized controlled trials and non-randomized controlled studies2 prospective cohort, 2 case-control, 1 cross-sectional (n=5); no RCTs
TimingNot specifiedFollow-up 30 months and 20 years in the 2 cohort studies