Skip to content

Effectiveness of Two Health Education Interventions in the Prevention of Caries and Gingivitis in Orthodontic Patients

Effectiveness of Motivational Interviewing and Conventional Oral Health Education (OHEc) Versus OHEc in the Prevention and Control of Dental Caries and Gingivitis in Subjects With Fixed Orthodontic Appliances. A Randomized Controlled Trial

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05979805
Enrollment
94
Registered
2023-08-07
Start date
2024-04-15
Completion date
2026-04-20
Last updated
2025-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dental Caries, Tooth Demineralization, Gingivitis

Keywords

Adolescent,Teenagers,Young Adult,Adult, "Motivational Interviewing"[Mesh], "Health Education, Dental"[Mesh], "Orthodontic Appliances"[Mesh], "Orthodontic Appliances, Fixed"[Mesh]

Brief summary

Dental caries and gingivitis are classified by the World Health Organization (WHO) as an important public health problem due to their high prevalence and incidence worldwide despite the development of public policies to combat them. They are chronic diseases that have a severe impact in terms of pain and suffering, impairment of function and effect on quality of life. During orthodontic treatments, the most common adverse event is the appearance of dental caries lesions and gingivitis due to increased retention and change of dental biofilm composition or difficulty of removal with conventional oral hygiene techniques. Efforts to implement various conventional preventive interventions of self-care and education have not decreased their incidence, so it is necessary to implement motivational interventions to help adolescents and young adults to make positive changes in their oral health habits, which are constant and lasting and prevent and control gingivitis and caries.

Detailed description

Dental caries and gingivitis are multifactorial diseases, however the only necessary factor, although insufficient for their development, is bacterial biofilm; brackets significantly increase its retention and limit self- cleaning mechanisms, representing a challenge in clinical practice. Motivational interventions in oral health could be an alternative to generate behavioral changes in oral health and daily self-care routines that are more sustainable over time compared to conventional education models in patients with fixed orthodontic appliances. A randomized controlled clinical trial open to subjects and single-blinded (investigators) of parallel groups is proposed for the evaluation of the effect of motivational interviewing combined with conventional oral health education (OHEc) versus OHEc, in the prevention of dental caries lesions and gingivitis. A sample size of 94 patients in total is proposed, distributed 47 in each arm of the study, with a follow-up of the cohort for six months. The baseline risk will be established before the placement of fixed appliances (T0), and a follow-up will be carried out during six months, with assessments in one (T1), three(T2) and six months (T3) after cementation, where the presence of gingivitis, caries and changes in risk variables, adverse events and adherence to conventional and motivational interventions, will be measured.

Interventions

OTHERConventional Educational interventions

Conventional educational methods can be verbal, written or visual and can be combined for greater understanding and effectiveness in oral health and dietary routines. The education are imparted in the first appointment of the appliances cementation by a video and oral health instruction booklet and each patient receive an oral hygiene kit. This education is repeated in month 1 and 3 after appliances cementation.

In addition to the conventional educational method, a motivational interviewing (MI) by Miller and Rollnick of 30 minutes will be used, with an initial script according to the stage of change in each patient in T0. The reinforcements of motivational interviewing are in month one and three after the installation of the braces, they will have the same methodology but will be focused on the aspects that in the previous session or in the clinical assessment were detected as the most important deficiencies or risk factors for the patient.

Sponsors

Universidad Nacional de Colombia
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
DOUBLE (Caregiver, Outcomes Assessor)

Masking description

The randomization tool of the RedCap (Research Electronic Data Capture) platform will be used. The randomizing will be performed by an independent investigator who has no contact or access to the information of the subjects, ensuring that the allocation will be blinded for the rest of the investigators. The patient will know the assigned group when he or she is scheduled to the motivational intervention, thus the study will be open to the subjects. The investigator who performs motivational and usual intervention is not blinded because once the patient is summoned for the application of motivational intervention, he/she will know the assigned group. Investigators who perform clinical measurements and indexes will remain blinded throughout the study by means of restricted access to the randomization instrument and general data recording of the study. The statistical data evaluator will be unaware of the allocation of the interventions.

Intervention model description

A randomized controlled clinical trial open to subjects and single-blinded (investigators) of parallel groups is proposed for the evaluation of the effect of conventional educational interventions and motivational interviewing in comparison with conventional educational interventions, in the prevention of dental caries lesions and gingivitis in 94 patients aged 13 to 28 years old, who will begin corrective orthodontic treatment with fixed appliances in the postgraduate clinics of Orthodontics and Maxillary Orthopedics of the National University of Colombia.

Eligibility

Sex/Gender
ALL
Age
13 Years to 28 Years
Healthy volunteers
Yes

Inclusion criteria

* Patients enrolled in the different orthodontic postgraduate clinics of the National University of Colombia who requires treatment with fixed orthodontic appliances * 13 years old up to 28 years of age. * Willingness to participate in the study and signature of the informed consent form.

Exclusion criteria

* Patients with untreated caries lesions * Patients with periodontal diseases or experience * Previous orthodontics treatments * Severe fluorosis or enamel abnormalities. * Medical compromise or treatments generating hyposalivation or gingival enlargement * Craniomaxillary anomalies * Cognitive or motor disability * Pregnancy. * Dependence to alcohol, nicotine or psychoactive substances

Design outcomes

Primary

MeasureTime frameDescription
Changes in ICDAS score of the caries6 monthsChange in incidence of caries on the vestibular and proximal surfaces by ICDAS and radiographic ICDAS in T0 (baseline),T1 (1 month),T2 (3 months) and T3 (6 months) will be censured when the patient presents the outcome, the study period ends (six months) or when the follow-up period finishes for a reason other than the event of interest being studied.
Evaluation of gingivitis6 monthsChanges in modification of the Silness and Löe gingival index described by Williams at T0 (baseline), T1 (one month), T2 (three months) and T3 (six months) after the start of orthodontic treatment with fixed appliances.

Secondary

MeasureTime frameDescription
Change of Plaque index6 monthsChanges in modification of the Silness and Löe index described by Williams at T0 (baseline), T1 (one month), T2 (three months) and T3 (six months) after the start of orthodontic treatment with fixed appliances.

Other

MeasureTime frameDescription
Adverse events6 monthsMeasurement of possible adverse events during educational interventional at T0 (baseline), T1 (one month), T2 (three months) and T3 (six months) after the start of orthodontic treatment with fixed appliances.

Countries

Colombia

Contacts

Primary ContactAdriana Forero Niño, DDs
apforeron@unal.edu.co(571) 3102416420
Backup ContactJorge Rubio Romero, MD MSc
jarubior@unal.edu.co(571) 3165000

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026