Non-Cochrane · intervention · PM41598355

Clinical Performance and Survival of Bulk-Fill Resin Composite Posterior Restorations in Primary Teeth: A Systematic Review and Meta-Analysis.

Miranda Samille Biasi, Lins Rodrigo Barros Esteves, Queiroz Matheus de Farias, et al. · Journal of clinical medicine · 2026 · PubMed · doi:10.3390/jcm15020415

Findings

Population Children with posterior restorations in primary molars

9 findings

Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeMarginal integrity (USPHS/FDI Charlie or score 4-5 failures)
12 months · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities
RD -0.02 [-0.07, 0.03]
Moderate
Downgraded: imprecision
2 studies · 242 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeColor match (USPHS/FDI Charlie or score 4-5 failures)
12 months · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 242 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeColor match (USPHS/FDI Charlie or score 4-5 failures)
6 months · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 242 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeMarginal discoloration (USPHS/FDI Charlie or score 4-5 failures)
6 months · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 242 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeMarginal integrity (USPHS/FDI Charlie or score 4-5 failures)
6 and 12 months combined · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities; all timepoints
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 484 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeColor match (USPHS/FDI Charlie or score 4-5 failures)
6 and 12 months combined · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities; all timepoints
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 484 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeMarginal integrity (USPHS/FDI Charlie or score 4-5 failures)
6 months · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 242 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeMarginal discoloration (USPHS/FDI Charlie or score 4-5 failures)
12 months · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 242 participants
Bulk-fill resin composite (direct restoration)Conventional incremental resin compositeMarginal discoloration (USPHS/FDI Charlie or score 4-5 failures)
6 and 12 months combined · Clinical setting; Class II cavities; follow-up 6 to 12 months · Class II cavities; all timepoints
RD 0.00 [-0.02, 0.02]
Moderate
Downgraded: imprecision
2 studies · 484 participants

Included primary studies 6

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Akman and Tosun 2020
Clinical evaluation of bulk-fill resins and glass ionomer restorative materials: A 1-year follow-up randomized clinical trial in children.
PMID:32246655
20203 other reviewsColor match (USPHS/FDI Charlie or score 4-5 failures); Marginal discoloration (USPHS/FDI Charlie or score 4-5 failures); Marginal integrity (USPHS/FDI Charlie or score 4-5 failures)not extracted yet
Ehlers et al. 2019
One-year Clinical Performance of Flowable Bulk-fill Composite vs Conventional Compomer Restorations in Primary Molars.
PMID:31093618
2019this review onlynot statednot extracted yet
Gindri et al. 2022
One-year clinical evaluation of class II bulk-fill restorations in primary molars: a randomized clinical trial.
PMID:36477958
2022this review onlyColor match (USPHS/FDI Charlie or score 4-5 failures); Marginal discoloration (USPHS/FDI Charlie or score 4-5 failures); Marginal integrity (USPHS/FDI Charlie or score 4-5 failures)not extracted yet
Massa et al. 2022
Use of bulk fill resin composite and universal adhesive for restoring primary teeth after selective carious tissue removal to soft dentin:…
PMID:35506965
2022this review onlynot statednot extracted yet
Oter, Deniz and Cehreli 2019
Preliminary data on clinical performance of bulk-fill restorations in primary molars.
PMID:30417848
2018this review onlynot statednot extracted yet
Sarapultseva and Sarapultseva 2019
Flowable Bulk-Fill Materials Compared to Nano Ceramic Composites for Class I Cavities Restorations in Primary Molars: A Two-Year…
PMID:31557829
2019this 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)
PopulationPatients with posterior restorations in primary (deciduous) teethChildren aged 3 to 10 years with Class I or II primary molar cavities (n=1220 restorations; 27 to 80 children per trial)
InterventionDirect restoration with bulk-fill resin compositeBulk-fill RBC (Filtek Bulk Fill, Venus Bulk Fill, SonicFill, X-tra fil, SDR) (n=631 restorations)
ComparisonConventional resin composite (incremental technique) or glass ionomer cementConventional RBC (n=451) or glass ionomer cement (n=138)
OutcomesSurvival (primary); color match, marginal discoloration, marginal integrity, postoperative sensitivity, secondary caries, retention, anatomical form (USPHS or FDI criteria)Color match, marginal discoloration, marginal integrity pooled; secondary caries, fracture, retention, anatomical form synthesized descriptively
Study designsRandomized clinical trialsRCTs (n=6)
TimingNot specified6 to 24 months follow-up

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 reviewcriticalPartial YesPartial Yesyes
3Choice of study designs explainedNoYesno
4Comprehensive literature searchcriticalPartial YesPartial Yesyes
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalYesYesyes
8Included studies described in detailYesYesyes
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 resultsYesYesyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalNoNoyes
16Conflicts of interest reportedYesYesyes
OverallLowLowyes