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Private MRI Scan · Head & Neck

TMJ (Jaw Joint) MRI Scan

A private TMJ MRI scan produces detailed, radiation-free images of the jaw joints in front of the ears, including the small cartilage disc that moves inside each joint. Images are usually taken with the mouth closed and open, so the radiologist can see how the disc moves. Both joints are normally scanned together.

✓ Radiation-freeNo GP referral
About MRI Scan

Indications

Why get a TMJ (Jaw Joint) MRI Scan?

  • ✓Jaw pain, clicking or grating that has not settled with simple treatment
  • ✓Jaw locking, or not being able to open the mouth fully
  • ✓Suspected displacement of the joint disc
  • ✓Arthritis affecting the jaw joint
  • ✓Planning before treatment by a maxillofacial surgeon or specialist dentist

Book online

Appointments at independent centres

No GP referral is needed: you can self-refer and book directly. Written report from a consultant radiologist.

20–60 minutes

About this scan

What does a TMJ (Jaw Joint) MRI Scan show?

MRI (Magnetic Resonance Imaging) uses powerful magnetic fields and radio waves to produce detailed images of the body's internal structures, without any ionising radiation. It excels at imaging soft tissues: muscles, ligaments, tendons, cartilage, the brain, spinal cord, and abdominal organs. Unlike X-rays or CT, MRI can see subtle differences between different types of soft tissue, making it invaluable for diagnosing sports injuries, neurological conditions, and joint pathology.

A typical MRI scan takes 20–60 minutes depending on the area being scanned. You'll lie still inside a large, tunnel-shaped scanner while it takes thousands of cross-sectional images. A consultant radiologist then analyses these images and produces a written report.

Key facts

  • ✓No ionising radiation: safe for repeat imaging
  • ✓Superior soft tissue contrast vs CT and X-ray
  • ✓No GP referral required
  • ✓Reported by a consultant radiologist
  • ✓3T high-field scanners available at selected centres

The process

What to expect

01
Safety questionnaire

Complete a short MRI safety form to identify any contraindications such as metal implants or pacemakers.

02
Positioning

The radiographer will position you on the scanner table. A coil (receiver) is placed around the area being scanned.

03
The scan

You'll move into the scanner and need to remain still while it operates. You'll hear loud knocking sounds; earplugs are provided.

04
Your report

A consultant radiologist analyses the images and sends your written report to your ScanBook patient portal. Reporting times vary between centres.

Before your scan

How to prepare

1

Remove all metal items including jewellery, piercings, and hair clips before your appointment.

2

Inform the radiographer of any implants, pacemakers, cochlear implants, or metal surgical clips.

3

Most MRI scans require no fasting; you can eat and drink normally unless told otherwise.

4

Wear comfortable, loose-fitting clothing or a gown will be provided.

5

If you experience claustrophobia, contact us in advance; open MRI and sedation options are available.

FAQs

Common questions about tmj (jaw joint) mri scan

Do I need an MRI for jaw clicking?

Often not. Many jaw joint problems settle with simple measures, such as soft food, avoiding wide yawning and treating teeth grinding. An MRI is usually used when symptoms persist, the jaw locks, or a specialist is planning treatment.

What happens during a TMJ MRI?

You lie on your back with small coils near your ears. Some images are taken with your mouth closed and some with it open, often with a small plastic bite block to hold it still. It usually takes 30–45 minutes.

Do I need a GP referral for a TMJ MRI?

No. You can self-refer for this scan and book directly through ScanBook, without seeing a GP first.

Is CT or MRI better for the jaw joint?

MRI shows the disc and soft tissues of the joint, which is usually what the question is about. CT, or a dental cone beam CT, shows the bone in more detail and is used when the concern is bone damage or shape.

Is MRI safe?

Yes. MRI uses no ionising radiation; it relies on magnetic fields and radio waves, which are completely safe for most people. It cannot be used if you have certain metal implants (pacemaker, cochlear implants, some vascular clips).

What if I'm claustrophobic?

Tell us when booking. Many of our partner centres have wide-bore (70cm) scanners that feel less confined. Open MRI options are available at selected centres, and mild sedation can be arranged with your GP.

How soon will I get results?

Your consultant radiologist's written report is sent to your ScanBook patient portal. Reporting times vary between centres, so check with the centre when you book.

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