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Related Experiment Video

Updated: Jun 18, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

Marcus Gunn (jaw-winking) phenomenon: a case report.

Clare McNamara¹, C Hartnett, C M McNamara

¹Department of Child Dental Health, Dental School and Hospital, University of Bristol, Bristol, United Kingdom. tgmcnamara@eircom.net

Special Care in Dentistry : Official Publication of the American Association of Hospital Dentists, the Academy of Dentistry for the Handicapped, and the American Society for Geriatric Dentistry

|November 26, 2009

Summary

Marcus Gunn phenomenon (MGP) is rare in dental cases but important for dentists to recognize. Early detection and diagnosis by oral health professionals aid in managing this condition during orthodontic treatment.

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Area of Science:

Dentistry
Ophthalmology
Genetics

Background:

The Marcus Gunn phenomenon (MGP), a rare neurological condition causing jaw-winking, is primarily documented in medical literature.
Limited data exists on MGP within the dental and orthodontic fields, highlighting a gap in specialized knowledge.

Observation:

This case report details an adolescent patient diagnosed with MGP presenting for orthodontic treatment.
The patient required a bite-opening procedure to address her malocclusion.

Findings:

The orthodontic treatment, including the bite-opening procedure, was completed without any operative complications.
The patient's overall orthodontic treatment progressed uneventfully, indicating successful management despite the co-existing MGP.

Implications:

Dentists and oral health professionals play a crucial role in the early detection and diagnosis of MGP.
Increased awareness of MGP in dental settings can improve patient care and management strategies for individuals with this condition.