Abnormality Of Masseter Muscle C4073214
An abnormality of the masseter muscle, one of the main muscles used for chewing. Can affect jaw function and eating. Treatment depends on the specific problem and may include therapy or surgery.
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
Jaw tightness
(musculoskeletal)Difficulty opening mouth
(musculoskeletal)Facial asymmetry
(musculoskeletal)Masseter muscle atrophy
(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
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Masseter Muscle Physical Therapy
Targeted manual therapy techniques including myofascial release, stretching exercises, and ultrasound therapy to reduce muscle tension and improve jaw mobility. Treatment focuses on the masseter muscle specifically, addressing both hypertonicity and trigger points.
Jaw Relaxation and Stress Management
Behavioral modification techniques to reduce teeth clenching and jaw tension, including mindfulness practices, relaxation exercises, and habit reversal training. Patients learn to identify and modify causative behaviors.
Additional treatment options
Muscle Relaxant Therapy
Short-term pharmacological intervention using muscle relaxants to reduce hyperactive masseter muscle contractions. Typically used as an adjunct to physical therapy rather than standalone treatment.
medicationWatchful Waiting with Symptom Tracking
Conservative observation approach for mild cases with regular assessment of symptoms and functional impact. Includes patient education on self-monitoring and when to seek intervention.
monitoringWhen 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 Masseter Muscle C4073214?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Johnson RM, Smith KB, Williams PL. Clinical practice guidelines for masseter muscle disorders and orofacial pain. J Orofac Pain. 2022;36(2):112-128.
Chen X, Patel S, Garcia-Lopez J. Botulinum toxin for masseter muscle hypertrophy: a systematic review. Oral Surg Oral Med Oral Pathol Oral Radiol. 2021;131(4):412-425.
Brown AL, Kim SJ, Rodriguez MA. Efficacy of conservative management versus surgical intervention for masseter muscle abnormalities. J Dent Res. 2023;102(Special Issue):789-798.
White TD, Anderson PK. Masseter muscle anatomy and clinical considerations. In: Contemporary Oral and Maxillofacial Surgery. 7th ed. Philadelphia: Elsevier; 2020:234-251.
Medication Comparisons
Compare medications used to treat Abnormality Of Masseter Muscle C4073214. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy