Bleaching Procedures Performed During Treatment With Brackets and Clear Aligners

NCT ID: NCT06716827

Last Updated: 2024-12-04

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

COMPLETED

Clinical Phase

NA

Total Enrollment

56 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-11-09

Study Completion Date

2024-11-09

Brief Summary

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The aim of this study is to compare the effectiveness of different whitening methods used during orthodontic treatment with fixed appliances and clear aligners. It also aims to examine the effect of different whitening methods on white spot lesions and the color change they cause in the teeth.

Detailed Description

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During orthodontic treatment, if oral hygiene is not properly maintained or in long-term treatments, tooth discoloration may occur. In clear aligner treatment, failure to regularly clean the aligners or the consumption of staining foods and beverages while wearing the aligners can lead to staining and yellowing of the tooth surfaces.

The aim of this study is to compare the effectiveness of different whitening methods used during orthodontic treatment with fixed appliances and clear aligners. It also aims to examine the effect of different whitening methods on white spot lesions using quantitative light-induced fluorescence (QLF) and to evaluate the color changes in the teeth during the treatment process.

Conditions

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Tooth Discoloration

Keywords

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Clear aligner treatment Bleaching Home bleaching

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Conventional

In this group, 14 patients (7 with fixed appliances and 7 with clear aligners) underwent conventional whitening procedures during the treatment process. As the whitening agent, an in-office bleaching system containing 35% hydrogen peroxide (Whiteness HP, FGM) was chosen.

Group Type EXPERIMENTAL

In-office bleaching system

Intervention Type PROCEDURE

As the whitening agent, an in-office bleaching system containing 35% hydrogen peroxide (Whiteness HP, FGM) was chosen. The gingiva was isolated using an isolation material (Opaldam, Ultradent Products Inc.), which was light-cured with a standard curing light. The whitening gel was applied to the labial surfaces of the maxillary incisors and canines with a 1mm thickness and left for 20 minutes. After cleaning the teeth with an aspiration tip, the whitening procedure was repeated.

Laser-assisted bleaching

In this group, 14 patients (7 with fixed appliances and 7 with clear aligners) underwent laser whitening with a 940 nm diode laser and a 35% hydrogen peroxide gel (Whiteness HP, FGM).

Group Type EXPERIMENTAL

Laser-assisted bleaching

Intervention Type PROCEDURE

Whitening was performed 10 days prior to treatment, with laser treatment applied without removing brackets in the fixed appliance group and without cleaning attachments in the aligner group. The laser was applied to the buccal surface of the teeth with a 1mm distance for 30 seconds in three applications. After a 10-minute rest, the laser procedure was repeated.

Home bleaching

In the home whitening group, 14 patients (7 with fixed appliances and 7 with clear aligners) underwent a 14-day home whitening treatment during the treatment process using a 16% carbamide peroxide gel (Opalescence PF, Ultradent Products Inc., South Jordan, UT, USA).

Group Type EXPERIMENTAL

Home-bleaching

Intervention Type PROCEDURE

The whitening trays were custom-made for the fixed appliance patients, and they used them for 2-4 hours each evening after brushing their teeth. In the transparent aligner group, whitening was done using the aligners worn for treatment.

Control

The 14 patients randomly selected (7 with fixed appliances and 7 with clear aligners) served as the control group. No whitening procedures were performed on the patients in this group.

Group Type EXPERIMENTAL

Control

Intervention Type OTHER

This group of patients did not undergo any whitening procedures.

Interventions

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In-office bleaching system

As the whitening agent, an in-office bleaching system containing 35% hydrogen peroxide (Whiteness HP, FGM) was chosen. The gingiva was isolated using an isolation material (Opaldam, Ultradent Products Inc.), which was light-cured with a standard curing light. The whitening gel was applied to the labial surfaces of the maxillary incisors and canines with a 1mm thickness and left for 20 minutes. After cleaning the teeth with an aspiration tip, the whitening procedure was repeated.

Intervention Type PROCEDURE

Laser-assisted bleaching

Whitening was performed 10 days prior to treatment, with laser treatment applied without removing brackets in the fixed appliance group and without cleaning attachments in the aligner group. The laser was applied to the buccal surface of the teeth with a 1mm distance for 30 seconds in three applications. After a 10-minute rest, the laser procedure was repeated.

Intervention Type PROCEDURE

Home-bleaching

The whitening trays were custom-made for the fixed appliance patients, and they used them for 2-4 hours each evening after brushing their teeth. In the transparent aligner group, whitening was done using the aligners worn for treatment.

Intervention Type PROCEDURE

Control

This group of patients did not undergo any whitening procedures.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* No previous orthopedic or orthodontic treatment
* Mild or moderate malocclusion
* Non-smokers and non-alcohol consumers
* Consumes no more than 3 cups of tea or coffee per day
* Good oral hygiene and healthy periodontal tissues
* No cavities, restorations, pigmentation, or white spot lesions on the anterior teeth
* Chronological age between 16-30 years, regardless of bone age

Exclusion Criteria

* Individuals requiring extraction-based treatment
* Individuals who have previously undergone whitening treatment
* Individuals with endogenous tooth discoloration
* Individuals with genetic tooth pigmentation
* Individuals in the mixed dentition phase
Minimum Eligible Age

16 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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TC Erciyes University

OTHER

Sponsor Role collaborator

Ahmet Yağcı

OTHER

Sponsor Role lead

Responsible Party

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Ahmet Yağcı

PROFESSOR

Responsibility Role SPONSOR_INVESTIGATOR

Locations

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Erciyes University, Faculty of Dentistry, Department of Orthodontics

Kayseri, , Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

References

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Consolaro A, Consolaro RB, Francischone L. Clarifications, guidelines and questions about the dental bleaching "associated" with orthodontic treatment. Dental Press J Orthod. 2013 Sep-Oct;18(5):4-10. doi: 10.1590/s2176-94512013000500002.

Reference Type RESULT
PMID: 24352384 (View on PubMed)

Hegedus C, Bistey T, Flora-Nagy E, Keszthelyi G, Jenei A. An atomic force microscopy study on the effect of bleaching agents on enamel surface. J Dent. 1999 Sep;27(7):509-15. doi: 10.1016/s0300-5712(99)00006-8.

Reference Type RESULT
PMID: 10507207 (View on PubMed)

Albhaisi Z, Al-Khateeb SN, Abu Alhaija ES. Enamel demineralization during clear aligner orthodontic treatment compared with fixed appliance therapy, evaluated with quantitative light-induced fluorescence: A randomized clinical trial. Am J Orthod Dentofacial Orthop. 2020 May;157(5):594-601. doi: 10.1016/j.ajodo.2020.01.004.

Reference Type RESULT
PMID: 32354432 (View on PubMed)

Jadad E, Montoya J, Arana G, Gordillo LA, Palo RM, Loguercio AD. Spectrophotometric evaluation of color alterations with a new dental bleaching product in patients wearing orthodontic appliances. Am J Orthod Dentofacial Orthop. 2011 Jul;140(1):e43-7. doi: 10.1016/j.ajodo.2010.11.021.

Reference Type RESULT
PMID: 21724070 (View on PubMed)

Other Identifiers

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TDK-2023-12793

Identifier Type: -

Identifier Source: org_study_id