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Efficiency of Burstone T-Loop Versus Modified Marcotte Spring for Maxillary Canine Retraction in Orthodontic Patients

Comparative evaluation of the efficiency of segmental maxillary canine retraction using Burstone T-loop versus Modified Marcotte retraction spring - A prospective, single-blind, split mouth, randomized controlled clinical study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/01/101251
Enrollment
25
Registered
2026-01-15
Start date
Unknown
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Health Condition 1: K088- Other specified disorders of teethand supporting structures

Interventions

Intervention1: burstone T- loop: burstone T-loop will be used in the maxillary arch on one side of the arch for retracting canines, after initial alignment and leveling, for 18 weeks with a follow up

Sponsors

Bhojia dental collage and hospital Baddi
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: full development of teeth except 3rd molars, class I or class II molar relations, patients requiring extraction of maxillary 1st premolars, good gingival and periodontal health, patient consent, no systemic disease.

Exclusion criteria

Exclusion criteria: class III malocclusion, poor oral hygiene, carious or restored 1st molars, crossbite, developmental disorders, patients on any medications.

Design outcomes

Primary

MeasureTime frame
maxillary canines retractionTimepoint: Baseline, 6 weeks, 12 weeks, 18 weeks—

Secondary

MeasureTime frame
canine rotation, molar anchorage lossTimepoint: T0,T1,T2,T3;canine inclinationsTimepoint: T0, T3;canine external apical root resorptionTimepoint: T0, T3;subjective pain assessmentTimepoint: T0,T1,T2,T3 at 24 hours, 48 hours, 96 hours and 7th day—

Countries

India

Contacts

Public ContactDr Sanjay Mittal

Bhojia Dental College and Hospital

sanjaymtdr@yahoo.com9896050995

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Sep 19, 2026