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Jaw Contracture C4315108

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

Stiffness and reduced ability to open the mouth due to shortened muscles or fibrous tissue. It can result from injury, radiation, or scarring. Treatment includes stretching exercises, physical therapy, and possibly surgery.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Joint pain or stiffness

(musculoskeletal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Limited mouth opening (trismus)

(musculoskeletal)

Jaw pain during chewing

(musculoskeletal)

Difficulty speaking or articulating words

(musculoskeletal)

Facial asymmetry or jaw deviation

(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

Aggressive Stretching and Range of Motion Program

Intensive physical therapy protocol involving sustained stretching exercises, joint mobilization, and progressive resistance training to lengthen contracted tissues and restore jaw opening.

physical_therapy
2

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Muscle and Fascia Release Procedure

Surgical release of contracted muscles, tendons, and fascial structures contributing to jaw contracture. Often combined with tissue grafts to maintain increased opening.

surgical

Additional treatment options

Muscle Relaxant Pharmacotherapy

Systemic muscle relaxant medication to reduce persistent muscle tension and spasms contributing to contracture development, used as adjunct to physical therapy.

medication

Home Exercise and Stretching Protocol

Daily home exercise program including active jaw opening exercises, thermal therapy, and self-massage techniques to maintain gains achieved through formal therapy.

lifestyle

Myofascial Release and Massage Therapy

Manual therapy techniques targeting the masticatory muscles and fascial restrictions contributing to contracture. Includes trigger point release and deep tissue work.

complementary

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 Jaw Contracture C4315108?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Martinez-Reyes JC, Okonkwo CN. American Society of Maxillofacial Surgeons clinical practice guidelines for mandibular contracture rehabilitation. J Craniomaxillofac Surg. 2022.

guideline2022
2

Thompson KW, Patel-Smith HB, Nakamura Y. Pathophysiology and management of jaw contracture following radiation therapy: a comprehensive review. Oral Oncol. 2021.

review2021
3

Chen-Ruiz C, Abubaker AO, Fernandez-Bonifacio A. Comparative effectiveness of physical therapy versus surgical release for post-traumatic jaw contracture: randomized controlled trial. Int J Oral Maxillofac Surg. 2020.

clinical_trial2020
4

Williams-Smith P, Dubois-Vienne MH, Kimura T. Long-term outcomes of jaw contracture interventions: systematic review and meta-analysis. Plast Reconstr Surg Glob Open. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Jaw Contracture C4315108. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

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