Positional Changes of Mandibular Molar After Orthodontic Treatment

April 16, 2025 updated by: Shereen Aly El-Mahlawy, Fayoum University

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

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.

Study Overview

Status

Active, not recruiting

Conditions

Study Type

Observational

Enrollment (Actual)

30

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Egypt
      • Fayoum, Egypt, 63514
        • Fayoum University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

N/A

Sampling Method

Non-Probability Sample

Study Population

Sample size calculation estimated the minimum total required sample size (n) was found to be (27). The sample size was increased to (30) account for sample variability and to improve the robustness of statistical testing

Description

Inclusion Criteria:

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

Exclusion Criteria:

  • Absence of all permanent teeth including mandibular third molars.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Assessment of mandibular third molar positional variation
Time Frame: 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.
2 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Fayoum University

Investigators

  • Principal Investigator: Shereen A Mahlawy, PHD, lecturer of orthodontics, faculty of dentistry, Fayoum university
  • Study Director: clinical cT trial, Clinical trials.gov

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 23, 2025

Primary Completion (Estimated)

April 20, 2025

Study Completion (Estimated)

April 25, 2025

Study Registration Dates

First Submitted

March 26, 2025

First Submitted That Met QC Criteria

April 16, 2025

First Posted (Actual)

April 18, 2025

Study Record Updates

Last Update Posted (Actual)

April 18, 2025

Last Update Submitted That Met QC Criteria

April 16, 2025

Last Verified

April 1, 2025

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • wisdom

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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