Jaw Ankylosis Cn241730
Fusion of the jaw joint limiting mouth opening, which may be present at birth or develop after trauma or infection. It can affect eating, speech, and oral hygiene. Surgery is often needed to restore jaw movement.
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)Difficulty chewing
(musculoskeletal)Facial asymmetry
(musculoskeletal)Speech difficulties
(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
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Mandibular Reconstruction Surgery
Surgical release of fused jaw structures and reconstruction to restore normal jaw function and mobility. This procedure addresses the underlying bony fusion causing restricted mouth opening and facial deformity.
Aggressive Jaw Mobilization Therapy
Intensive passive and active range of motion exercises to maintain jaw mobility after surgical intervention. Includes manual stretching and therapeutic jaw exercises performed regularly.
Additional treatment options
Muscle Relaxant Therapy
Pharmacological management using muscle relaxants to reduce muscle spasms and secondary contracture around the affected joint, improving patient comfort during rehabilitation.
medicationChronic Pain and Adjustment Counseling
Psychological support addressing the chronic nature of jaw ankylosis, including coping strategies for pain management, facial appearance concerns, and dietary modifications required.
psychologicalLong-term Radiographic Surveillance
Regular imaging follow-up to monitor for recurrence of ankylosis, assess bone healing post-surgery, and evaluate mandibular growth especially in pediatric patients.
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 Jaw Ankylosis Cn241730?
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.
Kaban LB, Bouchard C, Troulis MJ. A protocol for management of temporomandibular joint ankylosis in children. J Oral Maxillofac Surg. 2019.
Gupta A, Gupta A, Mohammad S. Temporomandibular joint ankylosis: Current concepts and treatment strategies. Oral Maxillofac Surg Clin. 2021.
Mills C, Tompson A, Wilson B. Long-term outcomes of gap arthroplasty versus interpositional arthroplasty for TMJ ankylosis. Int J Oral Maxillofac Surg. 2020.
Saxena R, Patel R, Singh N. Management of jaw ankylosis in pediatric patients: A systematic review. J Craniomaxillofac Surg. 2022.
Medication Comparisons
Compare medications used to treat Jaw Ankylosis Cn241730. 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