Lidar-based Scanning of Fascial Edema (FE) (FE)

July 2, 2026 updated by: Gözde Işık, Ege University

Handheld vs Mechanically-assisted Scanning of Fascial Edema Following Impacted Third Molar Surgery

This study compared handheld and mechanically assisted scanning to evaluate fascial edema after third molar extraction. The flexible ruler served as the reference. Linear measurements were taken from the tragus to the pogonion, from the tragus to the corner of the mouth, and from the lateral corner of the eye to the angle of the mandible.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This study compared Lidar-based scanning methods for evaluating fascial edema after third molar extraction. The three methods assessed were flexible ruler measurement, handheld scanning, and mechanically assisted scanning. Lidar-based scanning was performed using a mobile device and a dedicated application. Linear measurements were obtained from the tragus to the pogonion, from the tragus to the corner of the mouth, and from the lateral canthus to the angle of the mandible. The study objectives were to compare scanning methods, evaluate acquisition time and the number of repeated scans required for mobile scanning, and assess patient-related outcomes using a questionnaire.

Study Type

Observational

Enrollment (Actual)

20

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

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

  • Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

20 healthy patients enrolled with bilateral or unilateral impacted mandibular third molars. Impaction classification was Pell and Gregory Level B and Winter Class II (vertical position).

Description

Inclusion Criteria:

  • Presence of at least one impacted mandibular third molar,
  • Complete root development of the impacted tooth,
  • Impaction classified as Pell and Gregory Level B and Winter Class II (vertical position)

Exclusion Criteria:

  • Pregnancy or lactation;
  • Neurological, endocrine, or psychiatric disorders associated with tremor or hereditary disorders affecting motor function,
  • Facial asymmetry, facial deformity, or facial hair that could interfere with facial contour assessment;
  • Current or planned use of medications that may influence postoperative facial edema, such as corticosteroids;
  • Presence of chronic conditions that could mimic facial edema or a history of complications such as hematoma or subcutaneous emphysema.

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
20 patients extracted impacted mandibular third molars
20 patients extracted unilaterally ot bilaterally mandibular third molars. Impaction classified as Pell and Gregory Level B and Winter Class II (vertical position)
Procedure: Measurement with flexible ruler
linear measurements were obtained directly using a flexible ruler marked in millimeters
Procedure: Measurement with handheld scanning
Face image of patients were collected using a LiDAR-equipped mobile device and the three dimensional scanning application. A researcher was manually moved around the participant's head along a horizontal trajectory until complete facial coverage and adequate mesh reconstruction.
Procedure: Measurement with mechanically assisted scanning
Face image of patients were collected using a LiDAR-equipped mobile device and the three dimensional scanning application. For recording, the device is positioned on a mechanism.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Collect fascial anthropometric measurement
Time Frame: At postoperative first week
The measurement of the distances between the tragus and pogonion, the tragus and labial commissure, and the angle of mandible and lateral canthus with the use of a flexible ruler, handheld scanning, and mechanically assisted scanning.
At postoperative first week

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Collect of image acquisition time
Time Frame: At postoperative first week
The duration required to complete facial recordings using both handheld scanning and mechanically assisted scanning.
At postoperative first week
Collect of the number of repeated scans
Time Frame: At postoperative first week
Required repetitions for capturing facial recordings using handheld scanning or mechanically assisted scanning.
At postoperative first week
Collect of patient reported outcomes
Time Frame: At postoperative 7th day
A questionnaire was used to assess patient's perception to measurement methods
At postoperative 7th day

Collaborators and Investigators

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

Sponsor

Ege University

Collaborators

The Scientific and Technological Research Council of Turkey

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)

December 1, 2025

Primary Completion (Actual)

March 1, 2026

Study Completion (Actual)

June 3, 2026

Study Registration Dates

First Submitted

July 2, 2026

First Submitted That Met QC Criteria

July 2, 2026

First Posted (Actual)

July 8, 2026

Study Record Updates

Last Update Posted (Actual)

July 8, 2026

Last Update Submitted That Met QC Criteria

July 2, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 325S877
  • 324S877 (Other Identifier: Tübitak 1002-A)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

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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