A Clinical Comparison of Two Methods for Adjusting Upper Front Teeth: True Intrusion Versus Combined Intrusion and Retraction.

COMPARATIVE EVALUATION BETWEEN TRUE INTRUSION AND SIMULTANEOUS INTRUSION RETRACTION MECHANICS ON MAXILLARY ANTERIOR DENTITION-AN IN VIVO STUDY - NIL

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/04/086048

Enrollment

Registered

2025-04-30

Start date

Unknown

Completion date

Unknown

Last updated

2025-05-26

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 Health Condition 2: Z69-Z76- Persons encountering health services in other circumstances

Interventions

Intervention1: INTRUSION WITH MINISCREWS AND SIMULTANEOUS INTRUSION RETRACTION WITH INFRAZYGOMATIC SCREWS: COMPARISON BETWEEN INTRUSION WITH MINISCREWS AND SIMULTANEOUS INTRUSION RETRACTION WITH IZC S

Eligibility

Inclusion criteria

Inclusion criteria: 1.Patients with Angles Class I malocclusion requiring maxillary anterior intrusion 2.Angles Class II malocclusion requiring maxillary anterior intrusion 3.Permanent dentition with root completion 4.Deep overbite

Exclusion criteria

Exclusion criteria: Individuals having advanced alveolar bone loss or compromised peridontium or active periodontal disease. Individuals having open bite cases . Individuals with class II division 2 and class III malocclusion. Any abnormal root morphology in maxillary anterior region. Individuals with systemic diseases . Non-compliant patients or those with poor oral hygiene . Presence of trauma or prior endodontic treatment in the maxillary anterior region. Patients with severe skeletal discrepancies requiring orthognathic surgery. Patients with craniofacial syndromes or anomalies.

Design outcomes

Primary

Measure	Time frame
COMPARATIVE EVALUATION BETWEEN TRUE INTRUSION AND SIMULTANEOUS INTRUSION RETRACTION MECHANICS ON MAXILLARY ANTERIOR DENTITION: AN IN VIVO STUDY Timepoint: T0 - INITIAL PHASE T1- FINAL PHASE	—

Secondary

Measure	Time frame
COMPARATIVE EVALUATION BETWEEN TRUE INTRUSION AND SIMULTANEOUS INTRUSION RETRACTION MECHANICS ON MAXILLARY ANTERIOR DENTITION: AN IN VIVO STUDY Timepoint: T0 - INITIAL PHASE T1- FINAL PHASE	—

Countries

India

Contacts

Public ContactShahana Khan

inderprastha dental college and hospital

shahanakhan.khan36@gmail.com8375912010

Outcome results

None listed

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