Tooth discoloration and incidence of tooth sensitivity after home bleaching

Evaluation of clinical effectiveness and safety of home bleaching kit (Tiroj) manufactured by Royesh Teb Labkhand company

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT20260214068850N1

Enrollment

Registered

2026-05-15

Start date

2026-04-04

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Tooth discoloration. ?????

Interventions

Intervention Group: The home tooth bleaching gel, manufactured by Rooyesh Teb Labkhand Company, contains 26% carbamide peroxide, 3% potassium nitrate, and 1.1% sodium fluoride is applied at a dosage o

Eligibility

Sex/Gender

All

Age

18 Years to 42 Years

Inclusion criteria

Inclusion criteria: Anterior teeth with A2 or darker shade without previous sensitivity or bleaching treatment General health Informed consent

Exclusion criteria

Exclusion criteria: Having tooth sensitivity Having pre-treatment decay, Having anterior restorations, Having heavy plaque/stain, Smoking, Taking medications/desensitizers, Pregnancy, Having systemic diseases

Design outcomes

Primary

Measure	Time frame
Tooth discoloration. Timepoint: Before the intervention and 2 weeks after the start of the intervention. Method of measurement: Vita Classical Shade Guide.;Tooth sensitivity. Timepoint: 2 weeks after the start of the intervention. Method of measurement: Visual Analogue Scale (a continuous line of a defined length).	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactFarahnaz Nejatidanesh

Esfahan University of Medical Sciences

farahnaz.nejatidanesh@gmail.com+98 31 3792 5510

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026