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Treatment of Class III malocclusion using Modified Fixed Reverse Twin-Block Therapy

Treatment of Class III malocclusion using Modified Fixed Reverse Twin-Block Therapy - A prospective Cephalometric and Magnetic Resonance Imaging Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2021/07/035044
Enrollment
24
Registered
2021-07-22
Start date
Unknown
Completion date
Unknown
Last updated
2025-09-15

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: Modified Reverse Twin Block: Pick-up impressions shall be made with molar bands in-situ and working models will be obtained with molar bands in place. Construction Bite registration wil

Sponsors

ESIC Dental College Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: (i) Age from 14 years upto18 years, (ii) Established Angle Class III malocclusion with an anterior crossbite involving three to four incisors in Intercuspal position (ICP), (iii) Ability to achieve edge-edge incisor relationship in Retruded contact position (RCP) with no pain or discomfort in TMJ (iv) Minimal dental decompensation of the maxillary and mandibular incisors. (v)-4? (vi) Normodivergent to mild hyperdivergent growth pattern (vii) Concave facial profile (viii) Minimal or no crowding in the maxillary and mandibular arches (ix) Full complement of permanent teeth (third molars excluded) (x) Transition to Maturation phase of growth based on Cervical Vertebrae Maturity Indicators (CVMI) assessment

Exclusion criteria

Exclusion criteria: (i) Class III malocclusion not amenable to functional correction (ii) Presence of true laterognathism or any syndromic craniofacial deformity such as cleft lip and/or palate or any systemic disease that could affect normal growth of the body and/or the jaws. (iii) Claustrophobia and unwillingness to participate in the study (iv) Patients exhibiting allergy/delayed hypersensitivity to methylmethacrylate resins (v) Patients with associated severe TMJ symptoms and any other systemic problems

Design outcomes

Primary

MeasureTime frame
evaluate the effectiveness of modified fixed RTB as a functional treatment modality for Class III correction during adolescence. Timepoint: 6-9 months

Secondary

MeasureTime frame
1) To assess dentoalveolar, skeletal and soft tissue effects of modified fixed RTB therapy for Class III correction during adolescence. 2) To compare temporomandibular joint adaptation changes especially disk-condyle-fossa relationship following treatment of Class III malocclusion using modified fixed RTB and fixed appliances. Timepoint: 18 months

Countries

India

Contacts

Public ContactDr Harpreet Singh

Department of Orthodontics and Dentofacial Orthopedics, ESIC Dental College & Hospital

drhpreet_mamc04@yahoo.co.in9871269907

Outcome results

None listed

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