Non-Cochrane · intervention · PM40653471

Health promotion theory-based educational interventions for improving oral health in children and adolescents: a systematic review and meta-analysis.

Nazari Abouzar, Hajihashemi Mina, Safavi Seyyed Roghayeh, et al. · BMC oral health · 2025 · PubMed · doi:10.1186/s12903-025-06549-3

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
8
current version
GRADE rated
8
No studies
0
Included studies
36
linked below
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 6 · 75%Moderate 2 · 25%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)
PopulationChildren and adolescents aged 5-18 years19 RCTs; 6560 participants; children/adolescents aged 5-18; trials conducted 2012-2024; predominantly Iran
InterventionTheory-based oral health education or promotion interventions (e.g., HBM, TPB, SCT)Theory-based interventions using HBM, TPB, SCT, HAPA, TTM, PMT, Sense of Coherence, PRECEDE-PROCEED, Motivational Interviewing, Self-Efficacy Theory, Prospect Theory, Authoritative Parenting Model
ComparisonNot specified (RCT control/comparison groups)Waitlist; routine/standard oral health education; conventional one-time instruction; booklets only; plaque-disclosure control
OutcomesAt least one oral health outcome (behavior, knowledge, attitudes, self-efficacy, plaque index, gingival index, DMFT)8 meta-analyzed outcomes (115 reports): self-efficacy (14 reports), OHRQoL (9), knowledge (14), attitude (14), behavior (29), periodontal health (8), dental plaque (21), DMFT (5)
Study designsRandomized controlled trials (RCTs); English language; up to March 202519 RCTs (including several cluster RCTs)
TimingNot specified (follow-up duration not prespecified)Follow-up 1 week to 24 months

Search date: Up to March 2025 (searches conducted January to March 2025). Databases: PubMed; Web of Science; Scopus; Cochrane Library; plus Google Scholar and reference-list searching (abstract states seven databases, Methods name four)

Questions and results

Theory-based oral health education/promotion interventions (HBM, TPB, SCT, HAPA, TTM, PMT, SOC, PRECEDE-PROCEED, MI) vs Control (waitlist, routine/standard oral health education, or minimal intervention)

Population: Children and adolescents aged 5-18 years
8 questions
OutcomeEffectEvidenceStatus / GRADE
Self-efficacy related to oral health
Post-intervention (follow-up 4 weeks to 12 months, varies by study) · Overall
Theory-based educational interventions significantly improved oral health self-efficacy (SMD 1.49; low certainty), though between-study heterogeneity was very high.
Source: Results (self-efficacy) and Fig. 3; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD 1.49 [0.99, 2.00]10 studies · 4513 participantsLow
Oral health attitude
Post-intervention (follow-up immediately after to 6 months, varies by study) · Overall
Theory-based interventions significantly improved oral health attitude (SMD 9.32; low certainty); the very large effect warrants cautious interpretation.
Source: Results (attitude) and Fig. 6; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD 9.32 [7.08, 11.55]3 studies · 2370 participantsLow
Periodontal health (gingival/periodontal indices)
Post-intervention (follow-up 2 weeks to 6 months, varies by study) · Overall
Theory-based interventions significantly improved periodontal health (SMD -1.18; moderate certainty).
Source: Results (periodontal health) and Fig. 8; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD -1.18 [-1.83, -0.53]4 studies · 3342 participantsModerate
Oral health-related quality of life (OHRQoL)
Post-intervention (follow-up 0.5 to 12 months, varies by study) · Overall
Theory-based interventions significantly improved oral health-related quality of life (SMD 7.38; low certainty), with very high heterogeneity.
Source: Results (OHRQoL) and Fig. 4; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD 7.38 [5.57, 9.19]4 studies · 4751 participantsLow
Oral health knowledge
Post-intervention (follow-up immediately after to 24 months, varies by study) · Overall
Theory-based interventions significantly improved oral health knowledge (SMD 1.09; low certainty).
Source: Results (knowledge) and Fig. 5; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD 1.09 [0.80, 1.39]7 studies · 10904 participantsLow
DMFT scores (decayed, missing, filled teeth)
Post-intervention (follow-up 3 to 12 months, varies by study) · Overall
Theory-based interventions showed no significant effect on DMFT scores (SMD -0.11; low certainty).
Source: Results (DMFT) and Fig. 10; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD -0.11 [-0.27, 0.04]4 studies · 2556 participantsLow
Oral health behavior
Post-intervention (follow-up 0.5 to 24 months, varies by study) · Overall
Theory-based interventions significantly improved oral health behavior (SMD 2.58; low certainty), with very high heterogeneity.
Source: Results (behavior) and Fig. 7; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD 2.58 [2.03, 3.12]6 studies · 13973 participantsLow
Dental plaque (plaque index)
Post-intervention (follow-up 1 to 24 months, varies by study) · Overall
Theory-based interventions significantly reduced dental plaque (SMD -1.92; moderate certainty).
Source: Results (dental plaque) and Fig. 9; Certainty of evidence section (Supplementary S3); Abstract · same question in other reviews
SMD -1.92 [-2.42, -1.42]9 studies · 12562 participantsModerate

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 componentsYesNono
2Protocol established before the reviewcriticalPartial YesPartial Yesyes
3Choice of study designs explainedYesNono
4Comprehensive literature searchcriticalPartial YesNono
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalNoNoyes
8Included studies described in detailPartial YesYesno
9Risk of bias assessed satisfactorilycriticalNRSI: N/A · RCT: YesRCT: Yesno
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalNRSI: N/A · RCT: NoRCT: Yesno
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesNono
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalYesYesyes
16Conflicts of interest reportedYesYesyes
OverallCritically LowCritically Lowyes

Included primary studies 36

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Gholami (2015)
A Brief Self-Regulatory Intervention Increases Dental Flossing in Adolescent Girls.
PMID:25549910
1 other reviewnot statednot extracted yetnot extracted yet
Haleem (2012)
School-based strategies for oral health education of adolescents--a cluster randomized controlled trial.
PMID:23249443
1 other reviewnot statednot extracted yetnot extracted yet
Nammontri (2012)
Enhancing oral health via sense of coherence: a cluster-randomized trial.
PMID:23018820
1 other reviewnot statednot extracted yetnot extracted yet
Shirahmadi (2024)
Effectiveness of theory-based educational interventions of promoting oral health among elementary school students.
PMID:38195494
1 other reviewnot statednot extracted yetnot extracted yet
Yekaninejad (2012)
Effect of a school-based oral health-education program on Iranian children: results from a group randomized trial.
PMID:22985001
1 other reviewnot statednot extracted yetnot extracted yet
Aleksejuniene (2015)
A theory-guided school-based intervention in order to improve adolescents' oral self-care: a cluster randomized trial.
PMID:25877514
this review onlynot statednot extracted yetnot extracted yet
Aleksejuniene 2015
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Brukiene (2012)
Is the authoritative parenting model effective in changing oral hygiene behavior in adolescents?
PMID:22730491
this review onlynot statednot extracted yetnot extracted yet
Brukiene 2012
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Dziaugyte (2017)
Self-efficacy theory-based intervention in adolescents: a cluster randomized trial-focus on oral self-care practice and oral self-care…
PMID:26764132
this review onlynot statednot extracted yetnot extracted yet
Dziaugyte 2017
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Ghaffari (2021)
Design, implementation, and evaluation of a PRECEDE-PROCEED model-based intervention for oral and dental health among primary school…
PMID:34479531
this review onlynot statednot extracted yetnot extracted yet
Ghaffari 2021
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Gholami 2015
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Ghorbani (2018)
Improving Student's Self-Efficacy and Perceived Susceptibility Toward Oral and Dental Health: A Randomized Controlled Trial.
PMID:30210722
this review onlynot statednot extracted yetnot extracted yet
Ghorbani 2018
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Haleem 2012
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Marashi (2024)
The effect of educational intervention based on self-efficacy theory on promoting adolescent oral health behaviors through mobile…
PMID:39448943
this review onlynot statednot extracted yetnot extracted yet
Marashi 2024
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Movaseghi (2022)
The Effect of an Educational Intervention on Oral Health Literacy, Knowledge, and Behavior in Iranian Adolescents: A Theory-Based…
PMID:35707385
this review onlynot statednot extracted yetnot extracted yet
Movaseghi 2022
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Nammontri 2012
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Naseri-Salahshour (2019)
The Effect of Oral Health Promotion Program on Early Dental Decay in Students: a Cluster Randomized Controlled Trial.
PMID:31249820
this review onlynot statednot extracted yetnot extracted yet
Naseri-Salahshour 2019
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Pakpour (2013)
The effectiveness of gain-versus loss-framed health messages in improving oral health in Iranian secondary schools: a cluster-randomized…
PMID:24163187
this review onlynot statednot extracted yetnot extracted yet
Pakpour 2013
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Sanaeinasab (2022)
An educational intervention using the health belief model for improvement of oral health behavior in grade-schoolers: a randomized…
PMID:35346148
this review onlynot statednot extracted yetnot extracted yet
Sanaeinasab 2022
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Scheerman (2019)
A theory-based intervention delivered by an online social media platform to promote oral health among Iranian adolescents: a cluster…
PMID:31621423
this review onlynot statednot extracted yetnot extracted yet
Scheerman 2019
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Shirahmadi 2024
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Wu (2017)
Motivational Interviewing to Promote Oral Health in Adolescents.
PMID:28532895
this review onlynot statednot extracted yetnot extracted yet
Xiang (2022)
The efficacy of peer-led oral health programs based on Social Cognitive Theory and Health Belief Model among Hong Kong adolescents: a…
PMID:34791503
this review onlynot statednot extracted yetnot extracted yet
Xiang 2022
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Yekaninejad 2012
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Zareban 2022
matched by author and year (probable)
this review onlynot statednot extracted yetnot 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).