Evaluation of the optimal time of the extraction during orthodontic treatment using cone beam computed tomography (A Randomized Controlled Clinical Trial)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00029321

Enrollment

Registered

2022-06-22

Start date

2021-02-28

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

bimaxillary protrusion

Interventions

Group 1: treated with strait wire appliance. upper first premolars will be extracted 2 weeks before the initiation of canine retraction Group 2: treated with strait wire appliance. upper first premol

Eligibility

Sex/Gender

All

Age

16 Years to 26 Years

Inclusion criteria

Inclusion criteria: 1. Adult patients aged between (16 - 26) years. 2. Class I malocclusion with bimaxillary protrusion. 3. All permanent teeth are existed (except for third molars). 4. Patients with good oral hygiene. 5. Patients have vertical or normal growth pattern.

Exclusion criteria

Exclusion criteria: 1. Patients with moderate or severe crowding. 2. Any systemic disease affects teeth movement. 3. Patients have had a previous course of orthodontic treatment.

Design outcomes

Primary

Measure	Time frame
1. velocity of retraction. 2. tipping and rotation of the canine. 3. Height and thickness of canine alveolar bone.	—

Secondary

Measure	Time frame
1. Rotation of the first molar. 2. Mesial movement of the first molar.	—

Countries

Syria

Contacts

Public Contactsalam almaasarani

damascus university

salammass@hotmail.com+963940639774

Outcome results

None listed

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