Abnormality Of Depressor Anguli Oris Muscle C4073237
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.
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
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
Facial muscle rehabilitation exercises
Targeted exercises to strengthen and coordinate the depressor anguli oris muscle, improving facial symmetry and oral function.
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Baseline and follow-up functional assessment
Objective measurement of facial muscle function using standardized grading systems to track progression and guide treatment decisions.
Additional treatment options
Facial muscle surgery
Surgical reconstruction or rebalancing of facial muscles for severe cases where conservative measures are insufficient.
surgicalPsychological support and counseling
Therapeutic support to address cosmetic concerns, social anxiety, or reduced self-esteem associated with facial asymmetry.
psychologicalFacial massage therapy
Gentle massage techniques to improve circulation, reduce muscle tension, and support natural muscle function and recovery.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
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.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy