Facial paralysis after dental anaesthesia is a rare but serious complication that can affect facial movement, cause emotional distress, and impact quality of life. If you’ve experienced facial nerve damage following a dental procedure in the UK, you may be entitled to compensation. This guide explains the causes, symptoms, your legal rights, and how to start your claim.
What is Facial Paralysis After Dental Anaesthesia?
Facial paralysis following dental anaesthesia refers to the loss of movement or sensation in part of the face, often caused by nerve damage during a dental procedure. This condition can result in difficulties with speaking, chewing, or smiling and can have a significant impact on a person’s confidence and quality of life.
What Causes Facial Paralysis After a Dental Injection?
Local anaesthetic is commonly injected near the inferior alveolar nerve, which runs close to the facial nerve. If the injection goes too deep or is misdirected, the anaesthetic can temporarily affect this facial nerve, causing:
- Drooping on one side of the face
- Inability to close one eye
- Loss of facial expression control
- Numbness or tingling in the cheek, lip, or tongue
While this is often temporary, lasting minutes to a few hours, in some unfortunate cases, nerve damage can become permanent. If this happens due to negligence, you could be eligible to make a dental negligence compensation claim.
While temporary numbness after anaesthesia is common, prolonged or permanent facial paralysis is not. It is usually a sign of an underlying issue, such as incorrect administration of the anaesthetic.
Causes of Facial Paralysis After Dental Anaesthesia
Facial paralysis can occur due to various factors during dental treatments, including:
- Nerve Damage:
- Damage to the lingual nerve or inferior alveolar nerve during anaesthetic injection is a leading cause of facial paralysis. These nerves are crucial for sensation and movement in the face, tongue, and jaw.
- Incorrect Injection Techniques:
- Anaesthetic administered too close to or into a nerve can cause injury, resulting in prolonged numbness or paralysis.
- Excessive Dosage of Anaesthetic:
- Overuse of anaesthetic agents may lead to complications, including nerve irritation or damage.
- Infection or Swelling:
- Post-treatment infections or swelling at the injection site can exert pressure on facial nerves, causing temporary or permanent damage.
- Unqualified Practitioners:
- Errors are more likely when anaesthesia is administered by an inadequately trained or inexperienced dental professional.
Symptoms to Watch For
If you experience facial paralysis after a dental procedure, you may notice:
- Persistent numbness in the lips, tongue, or jaw.
- Tingling or burning sensations.
- Partial or total loss of sensation in parts of the face.
- Difficulty speaking, chewing, or smiling.
- Drooping on one side of the face.
In some cases, these symptoms may resolve on their own within a few weeks. However, if the condition persists, it is essential to seek medical advice.
Is Facial Paralysis Permanent?
In most cases, facial paralysis caused by local anaesthesia is temporary, resolving within a few hours. But if the nerve was punctured, compressed, or injected directly, long-term damage is possible. Recovery can take weeks, months, or may not fully occur without medical intervention.
Treatments might include:
- Steroid medications
- Physiotherapy
- Botox or surgery (in some cases)
- Ongoing monitoring by a neurologist or maxillofacial specialist
Steps to Take if You Experience Facial Paralysis
If you suspect facial paralysis after dental anaesthesia, follow these steps:
- Monitor Your Symptoms:
- Keep track of your symptoms and how they evolve over time. Temporary numbness is common, but prolonged or worsening symptoms require attention.
- Consult Your Dentist:
- Inform your dentist about the issue immediately. They may conduct tests or refer you to a specialist.
- Seek a Second Opinion:
- If your concerns are not adequately addressed, consider consulting another dental or medical professional.
- Document Everything:
- Record all details about the procedure, including dates, practitioners involved, and the symptoms you’ve experienced. This documentation is crucial if you decide to make a claim.
- Contact National Claims:
- If negligence is suspected, National Claims can connect you with experienced solicitors who specialise in dental negligence cases. They will guide you through the claims process and help you seek compensation for your suffering.
How Can National Claims Help?
National Claims works with a network of skilled solicitors who are experienced in handling dental negligence claims. If you’ve suffered facial paralysis due to dental anaesthesia, they can help you:
- Evaluate whether your case qualifies as dental negligence.
- Gather evidence to support your claim.
- Navigate the legal process to seek compensation for your pain, suffering, and financial losses.
Don’t let dental negligence affect your quality of life. Contact National Claims today to take the first step toward justice.
Can This Be Prevented?
While some complications are unavoidable, many cases of facial paralysis can be prevented through proper care and techniques. Preventative measures include:
- Choosing a qualified and experienced dental professional.
- Ensuring a thorough review of your medical history before any procedure.
- Discussing potential risks with your dentist beforehand.
- Reporting any discomfort or unusual sensations during treatment.
Patients should feel empowered to ask questions and seek second opinions if they have concerns about a recommended procedure.
People Also Ask
Q1. Can a dental injection cause permanent nerve damage?
Yes, although it’s rare, a dental injection can cause permanent nerve damage, especially if the anaesthetic is incorrectly administered or the needle touches the facial nerve.
Q2. How long does facial paralysis last after dental treatment?
Temporary paralysis typically resolves within 2–3 hours. However, if the nerve has been damaged, recovery could take weeks or even be permanent.
Q3. Is facial paralysis after dental anaesthetic a sign of negligence?
If the paralysis was due to an avoidable error, such as improper injection technique, it may be considered dental negligence. In this case, you could be eligible to claim compensation.
Q4. What should I do if I have facial paralysis after a dental visit?
Seek medical attention immediately. Then, speak to a dental negligence solicitor to assess your rights and start a claim, if appropriate.
Q5. Can I sue the dentist for nerve damage?
Yes, if it can be proven that your injury resulted from negligence or failure to meet professional standards, you may be able to sue for compensation.
Legal Rights and Compensation
In the UK, patients are entitled to safe and competent dental care under the NHS Constitution and private dental standards. If your dental practitioner fails to meet these standards and you suffer as a result, you may be eligible to make a claim for dental negligence.
Compensation can cover:
- Medical expenses for corrective treatments.
- Loss of income due to time off work.
- Pain, suffering, and emotional distress.
According to Gov.uk, you have up to three years from the date of the incident to file a claim for medical negligence. Always consult a solicitor to understand your rights and maximise your chances of a successful claim.
Conclusion
Facial paralysis after dental anaesthesia is a rare but serious complication that can significantly impact your life. If you’ve experienced this condition due to dental negligence, you don’t have to face it alone. National Claims can connect you with experienced solicitors who will guide you through the claims process and fight for the compensation you deserve.
Take action today by contacting National Claims to start your journey toward justice and recovery. Don’t let dental negligence hold you back from living your best life.

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