The Facial Muscular Activity: A Paradigm for Understanding Facial Asymmetry

NCT07008807 · tracked via the Priya Life Science Egypt tracker

Sponsor

South Valley University

Phase

Observational

Started

2025-06-01

Last updated

2025-06-06

Condition(s) studied

Facial Asymmetry

Study summary

Facial asymmetry, the degree to which the two sides of the face differ in size, shape, or the arrangement of features, is a near-universal human characteristic. The intricate network of facial muscles plays a crucial role in both the static structure and the dynamic expressions of the face. The continuous pull and action of facial muscles can influence the development and positioning of underlying soft tissues and even, over extended periods, potentially impact skeletal structures.

Eligibility

Sex

ALL

Min age

16 Years

Max age

—

Healthy volunteers

Inclusion Criteria: * Presenting with noticeable facial asymmetry * Age \> 16 years * General good health * Absence of specific neurological conditions affecting facial muscles. * Absence of congenital facial disorders that might cause facial asymmetry, like hemifacial microsomia and cleft lip and palate syndromes. Exclusion Criteria: * History of facial trauma or surgery * Diagnosed Neuromuscular Disorders * Active facial infections.

Primary outcome measure(s)

Facial Electromyography (EMG) — Day 1
Facial Asymmetry Measurement — Day 1
assesses differences between the two sides of the face using various techniques, both two-dimensional (2D) and three-dimensional (3D)

Trial sites (1)

Facility	City	Region	Status
orthodontic outpatient clinic, and students at Faculty of Dentistry, Alsalam University, Egypt	Tanta	Tanta

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07008807 on ClinicalTrials.gov ↗ ← All trials in Egypt