Efficacy of several bleaching techniques following orthodontic treatment

Evaluation of efficacy and complications of several bleaching techniques on tooth discoloration following orthodontic treatment

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20180912041012N1

Enrollment

Registered

2018-10-25

Start date

2018-10-23

Completion date

Unknown

Last updated

2019-01-14

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

Conditions

TOOTH DISCOLORATION.

Interventions

Intervention 1: Intervention group: Home bleaching. Intervention 2: Intervention group: Laser-assistant in-office bleaching. Intervention 3: Intervention group: Plasma arc-assistant in-office bleachin

Eligibility

Sex/Gender

All

Age

14 Years to 30 Years

Inclusion criteria

Inclusion criteria: Patients who have been past 3 months of their orthodontic treatment Significant tooth discoloration in the six anterior teeth

Exclusion criteria

Exclusion criteria: Severe internal discolorations (tetracycline, fluorosis) Periodontal disease Tooth decays or restorations Tooth sensitivity Gastrointestinal disease

Design outcomes

Primary

Measure	Time frame
Color change rate. Timepoint: Before treatment (T1), 1 hour after the end of the bleaching procedure(T2), and one week after the end of the bleaching procedure(T3). Method of measurement: Spectrometer device.;Tooth sensitivity rate. Timepoint: Before treatment (T1), 1 hour after the end of the bleaching procedure(T2), and one week after the end of the bleaching procedure(T3). Method of measurement: Visual Analogue Scale.;Incidence or absence of complications and patient satisfaction. Timepoint: One week after the end of the bleaching procedure. Method of measurement: Inventory.	—

Measure

Time frame

Color change rate. Timepoint: Before treatment (T1), 1 hour after the end of the bleaching procedure(T2), and one week after the end of the bleaching procedure(T3). Method of measurement: Spectrometer device.;Tooth sensitivity rate. Timepoint: Before treatment (T1), 1 hour after the end of the bleaching procedure(T2), and one week after the end of the bleaching procedure(T3). Method of measurement: Visual Analogue Scale.;Incidence or absence of complications and patient satisfaction. Timepoint: One week after the end of the bleaching procedure. Method of measurement: Inventory.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactSalehe Sekandari

Mashhad University of Medical Sciences

sekandaris961@mums.ac.ir+98 51 3882 9501

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026