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Abnormality Of Depressor Anguli Oris Muscle C4073237

Published: July 22, 2026Updated: August 20, 2026

A developmental issue with a facial muscle that controls mouth movement. Usually present from birth and may be part of genetic syndromes. Treatment varies based on severity and associated conditions.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
M79.9
ICD-11
FA00.0
Body system
musculoskeletal
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Mouth asymmetry

(musculoskeletal)

Asymmetry of the lower lip

(musculoskeletal)

Difficulty smiling

(musculoskeletal)

Excessive drooling due to poor mouth closure

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Facial muscle rehabilitation exercises

Targeted exercises to strengthen and coordinate the depressor anguli oris muscle, improving facial symmetry and oral function.

physical_therapy
2

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Baseline and follow-up functional assessment

Objective measurement of facial muscle function using standardized grading systems to track progression and guide treatment decisions.

monitoring

Additional treatment options

Facial muscle surgery

Surgical reconstruction or rebalancing of facial muscles for severe cases where conservative measures are insufficient.

surgical

Psychological support and counseling

Therapeutic support to address cosmetic concerns, social anxiety, or reduced self-esteem associated with facial asymmetry.

psychological

Facial massage therapy

Gentle massage techniques to improve circulation, reduce muscle tension, and support natural muscle function and recovery.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormality Of Depressor Anguli Oris Muscle C4073237?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Abnormality Of Depressor Anguli Oris Muscle C4073237. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy