Evaluation of Root Resorption Following Different Mandibular Incisors Intrusive Mechanics

Al-Azhar University

Status: Invitation-only

Conditions: Orthodontic Tooth Movement; Resorption, Root; Intrusion of Tooth

Treatments: Other: Utility arch; Other: Nitinol reverse curve wire; Other: Mini-screw

Study type: Interventional

Funder types: Other

Identifiers

NCT05414019

799/2234

Details and patient eligibility

About

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

Enrollment: 21 estimated patients

Sex: All

Ages: 12 to 16 years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

Primary purpose: Basic Science

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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21 participants in 3 patient groups

Mini-screw

Active Comparator group

Description:

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

Treatment:

Other: Mini-screw

Utility arch

Active Comparator group

Description:

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

Treatment:

Other: Utility arch

Nitinol reverse curve wire

Active Comparator group

Description:

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

Treatment:

Other: Nitinol reverse curve wire