Positional Changes of Mandibular Molar After Orthodontic Treatment

Changes in the Position of Mandibular Third Molar in Orthodontically Treated Patients With First Premolars Extraction

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06933979

Enrollment

Registered

2025-04-18

Start date

2025-02-23

Completion date

2025-04-25

Last updated

2025-04-18

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

Conditions

Third Molar

Keywords

orthodontic treatment, premolar extraction

Brief summary

This retrospective study was carried out on pre and posttreatment digital standardized panoramic radiographs of 30 cases previously orthodontically treated with four first premolar extraction.

Interventions

None listed

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

14 Years to 18 Years

Inclusion criteria

\- class I malocclusion cases (0 \< ANB \< 4) with moderate crowding

Exclusion criteria

* Absence of all permanent teeth including mandibular third molars.

Design outcomes

Primary

Measure	Time frame	Description
Assessment of mandibular third molar positional variation	2 years	measure angles:• LA-ISL: The inward angle (towards the 2nd molar) between long axis of mandibular third molar and the inter-sigmoid line (line connecting the deepest point of the right and left sigmoid notch of the mandible). • LA-IMB: The inward angle between long axis of mandibular third molar and the inferior border of the mandible.

Countries

Egypt

Outcome results