Non-Cochrane · intervention · PM42351737

Orthodontic Treatment-Induced Periodontal, Microbiological, and Local Inflammatory Changes: A Systematic Review and Meta-Analysis.

Gavrilescu Dragos-Mihai, Mateescu Diana-Maria, Marginean Andrei, et al. · Biomedicines · 2026 · PubMed · doi:10.3390/biomedicines14061308

Findings

Population Patients undergoing orthodontic treatment

15 findings

Fixed orthodontic appliancesBaseline (pre-treatment) measurementsIL-1 beta in gingival crevicular fluid
Early phase of treatment · Orthodontic patients
MD 1.2 [0.8, 1.6]
Low
Downgraded: imprecision, inconsistency
5 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsSerum hs-CRP (exploratory systemic biomarker)
Orthodontic patients
SMD 0.42
Low
Downgraded: imprecision, inconsistency
3 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsPlaque index
Follow-up 3 to 12 months · Orthodontic patients
MD 0.45 [0.32, 0.58]
Moderate
Downgraded: inconsistency
12 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsGingival index
Follow-up 3 to 12 months · Orthodontic patients
MD 0.38 [0.25, 0.51]
Moderate
Downgraded: inconsistency
10 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsBleeding on probing (%)
Follow-up 3 to 12 months · Orthodontic patients
MD 15.2 [10.1, 20.3]
Low
Downgraded: imprecision
8 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsWithin-group prevalence of Porphyromonas spp.
Follow-up 3 to 12 months · Orthodontic patients
OR 2.14 [1.67, 2.75]
Low
Downgraded: imprecision, inconsistency
5 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsWithin-group prevalence of Streptococcus mutans
Follow-up 3 to 12 months · Orthodontic patients
OR 2.45 [1.89, 3.18]
Low
Downgraded: imprecision, inconsistency
7 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsWithin-group prevalence of Lactobacillus spp.
Follow-up 3 to 12 months · Orthodontic patients
OR 1.98 [1.42, 2.76]
Low
Downgraded: imprecision, inconsistency
6 studies
Fixed orthodontic appliancesBaseline (pre-treatment) measurementsIL-6 in gingival crevicular fluid
Early phase of treatment · Orthodontic patients
MD 0.9 [0.6, 1.2]
Low
Downgraded: imprecision, inconsistency
4 studies
Clear alignersBaseline (pre-treatment) measurementsWithin-group prevalence of Lactobacillus spp.
Follow-up 3 to 12 months · Orthodontic patients
OR 0.68 [0.49, 0.95]
GRADE not reported
6 studies
Clear alignersBaseline (pre-treatment) measurementsPlaque index
Follow-up 3 to 12 months · Orthodontic patients
MD -0.18 [-0.31, -0.05]
GRADE not reported
4 studies
Clear alignersBaseline (pre-treatment) measurementsBleeding on probing (%)
Follow-up 3 to 12 months · Orthodontic patients
MD -4.3 [-8.1, -0.5]
GRADE not reported
3 studies
Clear alignersBaseline (pre-treatment) measurementsWithin-group prevalence of Porphyromonas spp.
Follow-up 3 to 12 months · Orthodontic patients
OR 0.75 [0.58, 0.97]
GRADE not reported
5 studies
Clear alignersBaseline (pre-treatment) measurementsWithin-group prevalence of Streptococcus mutans
Follow-up 3 to 12 months · Orthodontic patients
OR 0.72 [0.55, 0.94]
GRADE not reported
7 studies
Clear alignersBaseline (pre-treatment) measurementsGingival index
Follow-up 3 to 12 months · Orthodontic patients
MD -0.21 [-0.38, -0.04]
GRADE not reported
4 studies

Included primary studies 36

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Karkhanechi 2013
Periodontal status of adult patients treated with fixed buccal appliances and removable aligners over one year of active orthodontic…
PMID:22725616
20133 other reviewsnot statednot extracted yet
Levrini 2015
Periodontal health status in patients treated with the Invisalign(®) system and fixed orthodontic appliances: A 3 months clinical and…
PMID:26430371
20153 other reviewsnot statednot extracted yet
Madariaga 2020
Impact of Fixed Orthodontic Appliance and Clear Aligners on the Periodontal Health: A Prospective Clinical Study.
PMID:31906577
20202 other reviewsnot statednot extracted yet
Miethke 2005
A comparison of the periodontal health of patients during treatment with the Invisalign system and with fixed orthodontic appliances.
PMID:15959635
20052 other reviewsnot statednot extracted yet
Catunda 2023
Pig kidney phosphofructokinase. Purification to homogeneity and qualitative basic characterization.
PMID:192023
19761 other reviewnot statednot extracted yet
Hoffman 2015
A prospective randomized clinical trial into the capacity of a toothpaste containing NovaMin to prevent white spot lesions and gingivitis…
PMID:26268772
20151 other reviewnot statednot extracted yet
Klaus 2016
[Tooth abnormalities: shape].
PMID:292016
19771 other reviewnot statednot extracted yet
Bilgic 2016
Evaluation of inflammation during fixed orthodontic treatment.
PMID:27447681
2016this review onlynot statednot extracted yet
Bilgic 2016
Heart disease screening of school children using abbreviated electrocardiogram and phonocardiogram.
PMID:282016
1978this review onlynot statednot extracted yet
Calniceanu 2020
The mechanics of walking: putting your best foot forward.
PMID:252020
1978this review onlynot statednot extracted yet
Calniceanu 2020
Changes in clinical and microbiological parameters of the periodontium during initial stages of orthodontic movement in patients with…
PMID:33123229
2020this review onlynot statednot extracted yet
Catunda 2023
Pre-treatment oral microbiome analysis and salivary Stephan curve kinetics in white spot lesion development in orthodontic patients…
PMID:37095478
2023this review onlynot statednot extracted yet
Chen 2022
Association of cytomegalovirus (CMV) infections with increased recipient mortality following transplantation.
PMID:222022
1979this review onlynot statednot extracted yet
Chen 2022
Alterations in subgingival microbiota during full-fixed appliance orthodontic treatment-A prospective study.
PMID:34538018
2022this review onlynot statednot extracted yet
Hoffman 2015
Ovarian cancer: a solid tumor with evidence of normal cellular immune function but abnormal B cell function.
PMID:312015
1979this review onlynot statednot extracted yet
Jing 2019
Health perspectives in Rhode Island: a sample survey.
PMID:272019
1977this review onlynot statednot extracted yet
Jing 2019
Effect of fixed orthodontic treatment on oral microbiota and salivary proteins.
PMID:30988796
2019this review onlynot statednot extracted yet
Karkhanechi 2013
[István Andik (1910-1977)].
PMID:322013
1977this review onlynot statednot extracted yet
Klaus 2016
Oral microbiota carriage in patients with multibracket appliance in relation to the quality of oral hygiene.
PMID:27793169
2016this review onlynot statednot extracted yet
Kloukos 2023
Intercellular communication in insect development is hormonally controlled.
PMID:202023
1978this review onlynot statednot extracted yet
Kloukos 2023
Impact of fixed orthodontic appliances on blood count and high-sensitivity C-reactive protein levels: A prospective cohort study.
PMID:36941188
2023this review onlynot statednot extracted yet
Kouvelis 2021
pH dependence of singlet oxygen production in aqueous solutions using toluidine blue as a photosensitizer.
PMID:242021
1975this review onlynot statednot extracted yet
Kouvelis 2021
A Prospective Cohort Study Assessing the Impact of Fixed Orthodontic Appliances on Saliva Properties and Oral Microbial Flora.
PMID:33491380
2021this review onlynot statednot extracted yet
Kumar 2022
The protonmotive force in phosphorylating membrane vesicles from Paracoccus denitrificans. Magnitude, sites of generation and comparison…
PMID:212022
1978this review onlynot statednot extracted yet
Kumar 2022
A Study to Evaluate Il1 And Il6 Gingival Crevicular Fluid Levels in Adolescents and Young Adults During the Early Phase of Orthodontic…
PMID:36110632
2022this review onlynot statednot extracted yet
Levrini 2015
[Hydrotherapy and thermotherapy of rheumatic diseases. II. Indications and results of balneotherapy].
PMID:302015
1977this review onlynot statednot extracted yet
MacLaine 2010
Does orthodontic tooth movement cause an elevation in systemic inflammatory markers?
PMID:19822530
2010this review onlynot statednot extracted yet
MacLaine 2010
An improved perfusion fixation method for the testis.
PMID:332010
1977this review onlynot statednot extracted yet
Madariaga 2020
[Differential diagnosis of paroxysmal myoglobinuric syndromes within the framework of myopathy].
PMID:262020
1979this review onlynot statednot extracted yet
Miethke & Vogt 2005
[Effect of adrenaline and noradrenaline on the state of the skin microcirculation at different age periods].
PMID:352005
1978this review onlynot statednot extracted yet
Papadimitriou 2021
Plasma noradrenaline correlates with alpha-adrenoreceptor-mediated vasoconstriction and blood pressure in patients with essential…
PMID:232021
1979this review onlynot statednot extracted yet
Papadimitriou 2021
Effects of Self-ligating Orthodontic Appliances on the Periodontal Health of Adolescents: A Prospective Cohort Study.
PMID:33600090
2021this review onlynot statednot extracted yet
Ristic 2007
Clinical and microbiological effects of fixed orthodontic appliances on periodontal tissues in adolescents.
PMID:17973685
2007this review onlynot statednot extracted yet
Ristic 2007
Multimarker analysis of T-cell chronic lymphocytic leukemia.
PMID:342007
1978this review onlynot statednot extracted yet
Zhao 2024
Update on the independent radiation monitor (IRM).
PMID:182024
1976this review onlynot statednot extracted yet
Zhao 2024
Dynamic effects of fixed orthodontic treatment on oral health and oral microbiota: a prospective study.
PMID:39709380
2024this 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 undergoing orthodontic treatment with fixed appliances, multibracket systems or removable alignersAdolescents, young adults and adults undergoing orthodontic treatment (n=812 patients)
InterventionOrthodontic treatment with mechanical tooth movement induced by appliancesFixed appliances (most studies); clear aligners (3-4 studies)
ComparisonBaseline before treatment, longitudinal follow-up during treatment, or different appliance typesBaseline pre-treatment values (within-group pre-post); no concurrent untreated controls in most studies
OutcomesPeriodontal clinical parameters (plaque index, gingival index, bleeding on probing, probing depth); microbiological alterations; local inflammatory biomarkers in gingival crevicular fluid (IL-1beta, IL-6)Plaque index (12), gingival index (10), bleeding on probing (8), S. mutans (7), Lactobacillus spp. (6), Porphyromonas spp. (5), GCF IL-1beta (5), GCF IL-6 (4); hs-CRP (3, exploratory)
Study designsProspective cohort studies, longitudinal clinical studies, randomized controlled trialsProspective cohort and longitudinal studies, one RCT (18 studies)
TimingNot specifiedFollow-up 3 to 12 months