Evaluation of Tooth Colour Change Following Laser and Conventional Bleaching in Root Canal–Treated Discoloured Teeth: A Randomized Clinical Trial

Evaluation of colour change following walking bleach with that of combined intra and extra coronal laser bleaching of endodontically treated discoloured teeth using Spectrophotometer and Vita Classical Shade Guide - A Randomized Clinical Trial - nil

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/11/097303

Enrollment

Registered

2025-11-13

Start date

Unknown

Completion date

Unknown

Last updated

2025-11-17

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

Conditions

None listed

Interventions

Intervention1: Group 2 intra and extra coronal laser bleaching: he following parameters are assessed 1.Shade evaluation done before treatment . 2.Shade evaluation again done immediately after the t

Eligibility

Inclusion criteria

Inclusion criteria: 1. Male and female participants aged 18 to 50 years. 2. Overall good health and oral condition. 3. Discoloured root canal-treated maxillary incisors and canines, with a 3-4 shade darker than adjacent natural vital teeth on the Vita Classical Shade Guide. 4. Root canal treated anterior teeth with satisfactory obturation and no periapical lesions evident in IOPAR 5. No previous bleaching treatment, no caries or restoration or periodontal diseases 6. Absence of crowns and bridges

Exclusion criteria

Exclusion criteria: 1. Teeth with extensive restorations 2. Tooth discomfort. 3. Any systemic health disorders. 4. Pregnant or breastfeeding individuals. 5. Moderate to severe dental fluorosis or staining caused by tetracycline. 6. Active orthodontic treatment. 7. History of orofacial tumors or tooth abnormalities, hereditary defects.

Design outcomes

Primary

Measure	Time frame
1.Shade Evaluation : The colour of each tooth will be assesed following intra and extra coronal laser bleaching treatment and walking bleach techniqueTimepoint: 1.Shade Evaluation assesed at baseline and immediately following intra and extra coronal laser bleaching treatment and in walking bleach technique at baseline and after 2 weeks	—

Secondary

Measure	Time frame
Shade Regression Evaluation will be assesed in intra & extra coronal laser bleach group & walking bleach group Timepoint: Shade Regression Evaluation assessed after 1 month	—

Countries

India

Contacts

Public ContactDr Jayasree S

Government Dental College Kozhikode

jsree21@yahoo.in9447276940

Outcome results