Short Answer
It may be related, especially if ear-front pain changes with opening or closing, but ear disease should be checked first.
How to think about it
If ENT evaluation is reassuring and pain changes with opening, yawning, chewing, or clenching, jaw joint movement, muscle tenderness, and opening range can be checked.
Evidence and limits for this question
What this question checks
This page uses the question "If my ear hurts (귀가 아파요) when I open my mouth, could it be related to the jaw?" to organize a symptom pattern before assuming a TMJ-related cause.
What to rule out first
Urgent, organ-specific, dental, ENT, neurologic, traumatic, infectious, or breathing-related warning signs should be considered before jaw-related interpretation.
What is reviewed in clinic
Consultation details, symptom timing, jaw movement, chewing muscle tension, bite changes, previous exam results, and recurrence patterns may be reviewed together.
What not to decide from this page
Do not use this page alone to choose a diagnosis, appliance, procedure, medication, or emergency response.
Safety note
Fever, ear discharge, sudden hearing loss, severe dizziness, swelling, or rapidly worsening pain should be evaluated medically first.