Non-Cochrane · intervention · PM37393280

Shear bond strength of metallic brackets bonded to enamel pretreated with CPP-ACP: a systematic review and meta-analysis of in vitro studies.

Yacout Yomna M, Nabawy Yomna A, El-Harouni Nadia M, et al. · BMC oral health · 2023 · PubMed · doi:10.1186/s12903-023-03103-x

Oral HealthDental cariesAMSTAR 2: critically low (both extractors)
Full textEvery question was extracted from the full text, figures and supplements by two independent LLM extractors, disagreements adjudicated. Rows cite where in the review the value comes from.
Questions
3
current version
GRADE rated
0
No studies
0
Included studies
15
linked below
No studies 0 · 0%Ungraded 3 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationEnamel of extracted permanent human teethExtracted permanent human teeth (15 studies; 365 CPP-ACP test and 1014 control tooth specimens)
InterventionEnamel pre-treatment with CPP-ACP before bonding metallic orthodontic bracketsCPP-ACP enamel pre-treatment before bonding (paste in 12 studies; solution in 3 studies)
ComparisonNo enamel pre-treatment before bonding, or treatment with another materialNo pre-treatment, or another material (e.g., fluoride varnish/gel, resin infiltration, microabrasion)
OutcomesShear bond strength (SBS) of metallic orthodontic bracketsShear bond strength in MPa (reported by all 15 studies)
Study designsIn vitro experimental studies on extracted permanent human teethIn vitro experimental studies (n=15)
TimingNot specifiedNot specified (in vitro; thermocycling/aging applied in some studies)

Search date: 29 March 2023 (from inception of each database to 29 March 2023). Databases: MEDLINE (via PubMed); Scopus; Cochrane Library; Web of Science; Google Scholar (grey literature)

Questions and results

Enamel pre-treatment with CPP-ACP before bonding metallic orthodontic brackets vs No enamel pre-treatment before bonding, or treatment with another material

Population: Extracted permanent human teeth (enamel); sound or demineralized
1 question
OutcomeEffectEvidenceStatus / GRADE
Shear bond strength (SBS) of metallic orthodontic brackets
Before bonding
CPP-ACP enamel pre-treatment before bonding did not significantly affect the shear bond strength of metallic orthodontic brackets (MD 1.163 MPa, 95% CI -0.321 to 2.648; ungraded).
Source: Abstract; Results (Results of individual studies and Synthesis of results); Fig. 2 · same question in other reviews
MD 1.163 [-0.321, 2.648]15 studies · 1379 participantsUngraded

CPP-ACP enamel pre-treatment for prevention of white spot lesions before bonding metallic orthodontic brackets vs No enamel pre-treatment before bonding, or treatment with another material

Population: Sound enamel of extracted permanent human teeth
1 question
OutcomeEffectEvidenceStatus / GRADE
Shear bond strength (SBS) of metallic orthodontic brackets
Before bonding · Prevention of WSLs (sound enamel)
When used to prevent white spot lesions on sound enamel, CPP-ACP pre-treatment did not significantly affect shear bond strength (MD 1.009, 95% CI -0.723 to 2.740; ungraded).
Source: Abstract; Results (Results of individual studies and Synthesis of results); Fig. 3 · same question in other reviews
MD 1.009 [-0.723, 2.740]7 studiesUngraded

CPP-ACP enamel pre-treatment for remineralization of white spot lesions before bonding metallic orthodontic brackets vs No enamel pre-treatment before bonding, or treatment with another material

Population: Demineralized enamel of extracted permanent human teeth
1 question
OutcomeEffectEvidenceStatus / GRADE
Shear bond strength (SBS) of metallic orthodontic brackets
Before bonding · Remineralization of WSLs (demineralized enamel)
When used to remineralize white spot lesions on demineralized enamel, CPP-ACP pre-treatment did not significantly affect shear bond strength (MD 1.501, 95% CI -0.630 to 3.632; ungraded).
Source: Abstract; Results (Results of individual studies and Synthesis of results); Fig. 4 · same question in other reviews
MD 1.501 [-0.630, 3.632]9 studiesUngraded

AMSTAR 2 appraisal

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 explainedYesYesyes
4Comprehensive literature searchcriticalYesYesyes
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalYesNono
8Included studies described in detailYesYesyes
9Risk of bias assessed satisfactorilycriticalRCT: N/A · NRSI: Partial YesNRSI: Partial Yes · RCT: N/Ano
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: N/A · NRSI: YesNRSI: Yes · RCT: N/Ano
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalNoNoyes
16Conflicts of interest reportedYesYesyes
OverallCritically LowCritically Lowyes

Included primary studies 15

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Al-Kawari and Al-Jobair 2014
Effect of different preventive agents on bracket shear bond strength: in vitro study.
PMID:24678892
this review onlynot statednot extracted yetnot extracted yet
Baka et al. 2016
Effects of remineralization procedures on shear bond strengths of brackets bonded to demineralized enamel surfaces with self-etch systems.
PMID:26524389
this review onlynot statednot extracted yetnot extracted yet
Baysal and Uysal 2012
Do enamel microabrasion and casein phosphopeptide-amorphous calcium phosphate affect shear bond strength of orthodontic brackets bonded to…
PMID:21787200
this review onlynot statednot extracted yetnot extracted yet
Cehreli et al. 2012
Effects of a fluoride-containing casein phosphopeptide-amorphous calcium phosphate complex on the shear bond strength of orthodontic…
PMID:21317209
this review onlynot statednot extracted yetnot extracted yet
Daneshkazemi et al. 2021
Shear bond strength of orthodontic brackets on intact and demineralized enamel after application of resin infiltrant, fluoride varnish and…
PMID:33775598
this review onlynot statednot extracted yetnot extracted yet
Farhadian et al. 2017
Effect of CPP-ACP paste with and without CO2 laser irradiation on demineralized enamel microhardness and bracket shear bond strength.
PMID:28902250
this review onlynot statednot extracted yetnot extracted yet
Gulec and Goymen 2019
Assessment of the resin infiltration and CPP-ACP applications before orthodontic brackets bonding.
PMID:31434834
this review onlynot statednot extracted yetnot extracted yet
Ladhe et al. 2014
Effect of remineralizing agents on bond strength of orthodontic brackets: an in vitro study.
PMID:24935482
this review onlynot statednot extracted yetnot extracted yet
Park et al. 2013
The effect of casein phosphopeptide amorphous calcium phosphate on the in vitro shear bond strength of orthodontic brackets.
PMID:23504444
this review onlynot statednot extracted yetnot extracted yet
Tabrizi and Cakirer 2011
A comparative evaluation of casein phosphopeptide-amorphous calcium phosphate and fluoride on the shear bond strength of orthodontic…
PMID:20651043
this review onlynot statednot extracted yetnot extracted yet
Topsakal and Amuk 2019
Effects of Different Remineralisation Agents and Adhesives Around Orthodontic Brackets: Is There a Relationship Between Remineralisation…
PMID:31631193
this review onlynot statednot extracted yetnot extracted yet
Uy et al. 2019
Remineralization Potential of Calcium and Phosphate-based Agents and Their Effects on Bonding of Orthodontic Brackets.
PMID:31165104
this review onlynot statednot extracted yetnot extracted yet
Uysal et al. 2011
Do fluoride and casein phosphopeptide-amorphous calcium phosphate affect shear bond strength of orthodontic brackets bonded to a…
PMID:21261484
this review onlynot statednot extracted yetnot extracted yet
Veli et al. 2016
Effects of different pre-treatment methods on the shear bond strength of orthodontic brackets to demineralized enamel.
PMID:25892478
this review onlynot statednot extracted yetnot extracted yet
Xiaojun et al. 2009
Effects of CPP-ACP paste on the shear bond strength of orthodontic brackets.
PMID:19705946
this review onlynot statednot extracted yetnot extracted yet