Three-Dimensional Finite Element Analysis of Orthodontic Treatment with Spherical Self-Ligating Brackets under Varying Degrees of Alveolar Bone Resorption.

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2600117663

Enrollment

Unknown

Registered

2026-01-27

Start date

2023-12-22

Completion date

Unknown

Last updated

2026-02-09

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

Conditions

Malocclusion

Interventions

healthy group :no

Mild to Moderate Alveolar Bone Resorption Group:no

Severe Alveolar Bone Resorption Group:no

Eligibility

Sex/Gender

All

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Voluntary signing of the informed consent form. 2. Age >= 18 years, irrespective of gender. 3. Permanent dentition with an individual normal occlusion, essentially symmetrical left and right dental arches, bilateral Angle Class I molar relationship, tooth rotations < 3°, and no spacing present. 4. Essentially normal tooth morphology, absence of caries, tooth loss, or tooth defects, no significant alveolar bone resorption, and no obvious gingival redness, swelling, or bleeding on probing.

Exclusion criteria

Exclusion criteria: 1. History of maxillofacial trauma or previous orthodontic treatment. 2. Presence of non-removable metal objects in the maxillofacial region.

Design outcomes

Primary

Measure	Time frame
Periodontal ligament stress;Periodontal ligament strain ;Alveolar bone stress;Alveolar bone strain;	—

Countries

China

Contacts

Public ContactBing Guo

The First Affiliated Hospital, Sun Yat-sen University

orthodentist_jili@163.com+86 135 2774 9908

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 15, 2026