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OpenTrials
Enrolling by Invitation

NCT Number: NCT05414019

Evaluation of Root Resorption Following Different Mandibular Incisors Intrusive Mechanics

Evaluation of root resorption following different mandibular incisors intrusive mechanics : A randomized clinical trial

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Key information

Conditions

Orthodontic Tooth Movement Intrusion of Tooth Resorption, Root Root Resorption Stomatognathic Diseases Tooth Diseases Tooth Resorption

Age range

12 year–16 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Al Azhar University

Cairo, Egypt

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patient will be included in this study if has:
  • An age range between 12 and 16 years.
  • Deep overbite with excessive curve of Spee of more than 5mm
  • Over erupted lower incisors.
  • Permanent teeth are all present (except for third molar).
  • No previous orthodontic treatment.
  • No indications or symptoms of periodontal disease in the past or present, as determined by clinical and radiographic examination

Exclusion criteria

  • Patients who needed surgery to fix skeletal problems.
  • Any previous trauma or root canal therapy
  • Missing lower incisor.
  • Patients with congenital dentoskeletal disorders

Treatment and study plan

Mini-screw

Other

7 patients will receive an intrusive force delivered by elastics from 2 mini-screws between mandibular lateral incisor and mandibular canine.

Utility arch

Other

7 patients will receive an intrusive force delivered by intrusive utility arch.

Nitinol reverse curve wire

Other

7 patients will receive an intrusive force delivered by Nitinol reverse curve wire

Primary outcomes

  1. Linear amount of root resorption

    Time frame: Change in Linear Root resorption at 6 months

    Cone beam computed tomography linear measurements

  2. Volumetric amount of root resorption

    Time frame: Change in Volumetric Root resorption at 6 months

    Cone beam computed tomography volumetric measurements

Sponsors and collaborators

Lead sponsor

Al-Azhar University

Other

Registry information

Official study title

Evaluation of Root Resorption Following Different Mandibular Incisors Intrusive Mechanics : A Randomized Clinical Trial

Important dates

Study start
2025
Primary completion
2026
Study completion
2026
First posted
Jun 10, 2022
Registry last updated
Apr 25, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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