Non-Cochrane · intervention · PM42306021

Arthrocentesis Plus Injectable Platelet-Rich Fibrin in Patients With Temporomandibular Joint Dysfunction: An Updated Meta-Analysis With Trial Sequential Analysis.

Bader Alzamanan Maryam, Mohammed Alhajri Dhari, Hamed Alduaij Fay, et al. · Cureus · 2026 · PubMed · doi:10.7759/cureus.110871

Findings

Population Patients with temporomandibular joint dysfunction (internal derangement, disc displacement or osteoarthritis)

30 findings

Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Sharma 2023
MD -1.86 [-2.35, -1.37]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified
MD 5.03 [2.99, 7.07]
5.03 [2.99, 7.07] mm
Moderate
Downgraded: imprecision
7 studies · 270 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Not specified · Not specified · Pain type: overall of chewing, jaw movement and palpation pain (6 effect sizes from 2 trials)
MD -1.59 [-1.88, -1.3]
GRADE not reported
2 studies · 112 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Nasef 2024
MD -1.64 [-2.41, -0.86]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Karadayi 2021
MD 5.12 [2.87, 7.37]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
9-12 months · Not specified · Follow-up 9-12 months
MD -1.13 [-2.13, -0.12]
GRADE not reported
3 studies · 140 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Isık 2022
MD -1.68 [-2.46, -0.91]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Right lateral excursion, change from baseline
Follow-up 3 to 12 months · Not specified
MD 2.05 [-0.63, 4.74]
2.05 [-0.63, 4.74] mm
Moderate
Downgraded: imprecision
2 studies · 70 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Karadayi 2021
MD -1.5 [-2.18, -0.81]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
3 months · Not specified · Follow-up 3 months
MD -2.13 [-3.75, -0.51]
GRADE not reported
3 studies · 88 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
6 months · Not specified · Follow-up 6 months
MD -1.83 [-2.43, -1.24]
GRADE not reported
2 studies · 70 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified
MD -1.62 [-2.28, -0.96]
-1.62 [-2.28, -0.96] VAS points
Moderate
Downgraded: imprecision
8 studies · 298 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Ghoneim 2022
MD -1.55 [-2.33, -0.77]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Isık 2023
MD -1.57 [-2.36, -0.78]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Ghoneim 2022
MD 3.94 [3.14, 4.73]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Not specified · Not specified · Pain type: palpation pain
MD -1.66 [-2.18, -1.14]
GRADE not reported
2 studies · 112 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Contralateral excursion, change from baseline
Follow-up 3 to 12 months · Not specified
MD 0.94 [0.41, 1.48]
0.94 [0.41, 1.48] mm
Moderate
Downgraded: imprecision
3 studies · 144 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Chaulagain 2025
MD 4.85 [2.33, 7.38]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Meta-regression on baseline MMO (mm)
Meta-regression coefficient 0.0232 [-0.2078, 0.2542]
GRADE not reported
8 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Yilmaz 2026
MD -1.73 [-2.41, -1.05]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Left lateral excursion, change from baseline
Follow-up 3 to 12 months · Not specified
MD 0.68 [-1.57, 2.94]
0.68 [-1.57, 2.94] mm
Moderate
Downgraded: imprecision
2 studies · 70 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Yilmaz 2026
MD 5.39 [3.29, 7.5]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Not specified · Not specified · Pain type: pain during jaw movements
MD -1.61 [-2.26, -0.95]
GRADE not reported
2 studies · 112 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Nasef 2024
MD 4.99 [2.5, 7.48]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Isık 2022
MD 5.51 [3.06, 7.96]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Protrusive movement, change from baseline
Follow-up 3 to 12 months · Not specified
MD 1.08 [0.48, 1.69]
1.08 [0.48, 1.69] mm
Moderate
Downgraded: imprecision
3 studies · 144 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Maximum mouth opening (MMO), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Isık 2023
MD 5.31 [2.66, 7.96]
GRADE not reported
6 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Quality of life (OHIP-14), change from baseline
Follow-up 3 to 12 months · Not specified
MD -3.61 [-10.87, 3.65]
-3.61 [-10.87, 3.65] OHIP-14 points
Moderate
Downgraded: imprecision
2 studies · 52 participants
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Follow-up 3 to 12 months · Not specified · Leave-one-out sensitivity analysis, omitting Chaulagain 2025
MD -1.44 [-2.06, -0.81]
GRADE not reported
7 studies
Arthrocentesis plus injectable platelet-rich fibrin (i-PRF)Control interventions (mainly arthrocentesis alone)Pain (VAS), change from baseline
Not specified · Not specified · Pain type: chewing pain
MD -1.49 [-1.99, -0.99]
GRADE not reported
2 studies · 112 participants

Included primary studies 9

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Karadayi 2021
Randomised controlled trial of arthrocentesis with or without PRF for internal derangement of the TMJ
DOI:10.1016/j.jcms.2021.01.018
20212 other reviewsPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baselinenot extracted yet
Chaulagain 2025
Does Combining Arthrocentesis With Injectable Platelet-Rich Fibrin Outperform Arthrocentesis or Injectable Platelet-Rich Fibrin Alone in…
DOI:10.1016/j.joms.2025.02.006
20251 other reviewPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baseline; Contralateral excursion, change from baseline; Protrusive movement, change from baseline; Quality of life (OHIP-14), change from baselinenot extracted yet
Isik 2022
Injectable platelet-rich fibrin as treatment for temporomandibular joint osteoarthritis: A randomized controlled clinical trial
DOI:10.1016/j.jcms.2022.06.006
20221 other reviewPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baseline; Contralateral excursion, change from baseline; Protrusive movement, change from baselinenot extracted yet
Sharma 2023
A comparative analysis between intra articular injections of injectable platelet rich fibrin versus platelet rich plasma in the management…
PMID:37661973
20231 other reviewPain (VAS), change from baselinenot extracted yet
Ghoneim 2022
Treatment of temporomandibular joint disc displacement using arthrocentesis combined with injectable platelet rich fibrin versus…
DOI:10.1016/j.jds.2021.07.027
2022this review onlyPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baseline; Right lateral excursion, change from baseline; Left lateral excursion, change from baselinenot extracted yet
Isik 2023
Does the Use of Injectable Platelet-Rich Fibrin After Arthrocentesis for Disc Displacement Without Reduction Improve Clinical Outcomes?
DOI:10.1016/j.joms.2023.02.014
2023this review onlyPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baseline; Contralateral excursion, change from baseline; Protrusive movement, change from baselinenot extracted yet
Metello Neves 2026
Injectable Platelet Rich Fibrin (i-PRF) for Joint Sounds and Clinical Signs of Disc Displacement by DC/TMD: A Randomized Controlled Trial
DOI:10.58600/eurjther2853
2026this review onlynot statednot extracted yet
Nasef 2024
Evaluation of intra-articular injection of injectable platelet-rich fibrin, anterior repositioning splint and arthrocentesis in treatment…
DOI:10.1016/j.bjoms.2024.05.002
2024this review onlyPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baseline; Right lateral excursion, change from baseline; Left lateral excursion, change from baselinenot extracted yet
Yilmaz 2026
Efficacy of injectable platelet-rich fibrin and concentrated platelet-rich fibrin injections combined with arthrocentesis in the…
DOI:10.1016/j.jcms.2026.104447
2026this review onlyPain (VAS), change from baseline; Maximum mouth opening (MMO), change from baseline; Quality of life (OHIP-14), change from baselinenot 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)
PopulationPatients diagnosed with symptomatic TMD internal derangementTMD patients with internal derangement (Wilkes I-V), disc displacement with or without reduction, or osteoarthritis (n=320 patients, 374 joints)
InterventionArthrocentesis of the upper joint space followed by intra-articular injection of i-PRFArthrocentesis plus i-PRF (n=9 RCTs); one trial used i-PRF without arthrocentesis
ComparisonArthrocentesis alone or conservative/no active treatmentArthrocentesis alone (most trials), PRP after arthrocentesis (n=1), Ringer lactate without arthrocentesis (n=1)
OutcomesPrimary: change in pain VAS. Secondary: MMO, contralateral, right and left lateral excursion, protrusive movement, QoL (OHIP-14)Pain VAS (n=8); MMO (n=7); contralateral excursion (n=3); right lateral excursion (n=2); left lateral excursion (n=2); protrusive movement (n=3); QoL OHIP-14 (n=2)
Study designsRCTs; observational studies, reviews and conference abstracts excludedRCTs, parallel-group (n=9)
TimingNot specifiedFollow-up 3 to 12 months

AMSTAR 2 items

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsYesYesyes
2Protocol established before the reviewcriticalNoNoyes
3Choice of study designs explainedNoNoyes
4Comprehensive literature searchcriticalNoPartial Yesno
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalNoNoyes
8Included studies described in detailYesPartial Yesno
9Risk of bias assessed satisfactorilycriticalRCT: Yes · NRSI: N/ANRSI: N/A · RCT: Yesno
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: Yes · NRSI: N/ANRSI: N/A · RCT: Yesno
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalYesYesyes
16Conflicts of interest reportedYesYesyes
OverallCritically LowCritically Lowyes