Interdental Hygiene Methods in Young Adults

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

55 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-17

Study Completion Date

2026-06-17

Brief Summary

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Oral health is essential for overall well-being and systemic health. A key factor in preserving this health is maintaining the balance of the interdental microbiota, which involves regulating the quantity of pathogenic bacteria in interdental spaces (IS). These IS represent a unique ecological niche where the body has limited specific defense mechanisms, making them vulnerable to infections.

In adults, the colonization of interdental spaces by pathogenic bacteria increases the risk of periodontal diseases, which are themselves associated with non-communicable diseases such as cardiovascular diseases, diabetes, and certain types of cancer.

Preventing interdental microbiota dysbiosis from a young age is therefore a priority to maintain quality oral health and contribute to good systemic health throughout life. However, conventional brushing techniques cover only accessible tooth surfaces and cannot reach the interdental spaces. Currently, the use of interdental brushes (IDBs) is recognized as the most effective method for interdental hygiene. There are various types of IDBs, differing in several aspects that influence their effectiveness and usability. The main differences relate to their shape, size, and calibration using an interdental probe or not, allowing adaptation to different interdental space sizes. To date, only one study has demonstrated the effectiveness of daily calibrated interdental brush use in reducing dysbiosis and interdental inflammation among young adults. However, no research has yet been conducted to compare the effectiveness of the various types of IDBs available on the market (calibrated versus non-calibrated).

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Detailed Description

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Conditions

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Microbiota-related Disease Oral Hygiene Periodontal Diseases

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Participants

Study Groups

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Calibrated interdental brush

Healthy adult volunteers (not suffering from chronic pathologies) and non-smokers, agreeing to change their interdental hygiene habits for 3 months by daily using a calibrated interdental brushes .

Group Type EXPERIMENTAL

Calibrated interdental brush

Intervention Type PROCEDURE

participants will use calibrated interdental brushes

Non-calibrated interdental brush

Healthy adult volunteers (not suffering from chronic pathologies) and non-smokers, agreeing to change their interdental hygiene habits for 3 months by daily using a non-calibrated interdental brushes .

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Calibrated interdental brush

participants will use calibrated interdental brushes

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Person between 18 and 30 years old
* Person who has given free, informed, express written consent
* Person affiliated to a French social security system
* Person living or working in Lyon or the Lyon conurbation served by public transport (TCL)

Exclusion Criteria

* Person with a smoking addiction
* Person participating in another study related to oral hygiene
* Patients at high risk of infective endocarditis
* Person with chronic pathologies
* Person having taken antibiotic treatment during the month preceding the start of the study
* Pregnant, parturient or breastfeeding woman
* Persons deprived of liberty by a judicial or administrative decision
* People receiving psychiatric care
* Persons admitted to a health or social establishment for purposes other than research
* Adults subject to a legal protection measure (guardianship, curatorship)
* Persons not affiliated to a social security scheme or beneficiaries of a similar scheme
* Person with fewer than 20 natural teeth
* Person performing interdental hygiene and/or daily mouthwashes.
* Person wearing orthodontic appliance
* Person with periodontal disease (stage ≥ II periodontal lesions according to the Chicago 2017 classification (i.e. PD ≥ 4 mm, and/or CAL ≥ 4 mm) and/or generalized (\>30% of sites )), active caries or during dental care

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes