An interventional study of In-office bleaching system and Laser-assisted bleaching in Tooth Discoloration, sponsored by Ahmet Yağcı. Completed at 1 site in Turkey. Open to participants aged 16 Years to 30 Years. Per ClinicalTrials.gov, last updated 2024-12-04.
Sponsored by Ahmet Yağcı · Not applicable, Interventional, and Treatment
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.
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.
102 studies on the registry are indexed under Tooth Discoloration; 19 are open to participants now.
This study's enrollment of 56 is above the median of 48 across 95 interventional studies indexed under Tooth Discoloration.
Browse Tooth Discoloration studies →Ahmet Yağcı is the lead sponsor of 2 studies on the registry; none are open to participants now.
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Exclusion Criteria:
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.
Procedure: In-office bleaching system
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).
Procedure: Laser-assisted 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).
Procedure: Home-bleaching
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.
Other: Control
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.
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.
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.
This group of patients did not undergo any whitening procedures.
Tooth color measurement
The screenshots of the scanning records taken at the beginning and end of the treatment were captured, and the L\*, a\*, b\* values were measured using Photoshop software.
Time frame: up to 1,5 years
QLF(Quantitative light-induced fluorescence) Analysis Score
Delta F (ΔF) - The percentage of fluorescence loss relative to a sound tooth
Time frame: up to 1 years
Plan to share: No
This study is completed, as verified in Nov 2024. You cannot join it, but the record below documents what was studied.
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