Can a Dentist Be Held Liable for Nerve Damage?

Yes, a dentist can be held liable for nerve damage, but only when the injury resulted from a failure to meet the accepted standard of care, not simply because the damage occurred.

The lingual nerve, inferior alveolar nerve, mental nerve, and trigeminal nerve are all at risk during wisdom tooth extractions, dental implant placement, root canals, and anesthesia injections. When those injuries happen because a dentist skipped pre-operative imaging, used improper technique, or failed to warn you that nerve damage was a known risk, Minnesota law may give you the right to pursue a malpractice claim.

Claims can be filed against oral surgeons, orthodontists, periodontists, and dental hygienists, not just general dentists, when their specific conduct caused the harm. Dissatisfaction with a result is not the same as a legal injury. The question is whether negligence caused your harm, not whether you’re unhappy with how the procedure went.

For a legal consultation, call 612-349-2729

What Types of Nerve Damage Can a Dentist Cause?

The term “nerve damage,” or neuropathy, covers a wide umbrella of injuries to nerves in the body. Below, we will discuss the signs and symptoms of the more common types of nerve damage associated with dental procedures: lingual nerve damage, inferior alveolar nerve damage, trigeminal nerve damage, and mental nerve damage.

Lingual Nerve (LN) Damage

One of the most common types of nerve damage is damage to the lingual nerve (LN), the nerve that supplies sensation to the front two-thirds of the tongue. Because this nerve is intricately linked with the region of the lower third molars (also called wisdom teeth), this type of damage occurs most frequently during wisdom tooth surgery, a fairly widely practiced dental procedure. If you suffer from lingual nerve damage, you may find that one side of your tongue, most of your tongue, or even your lips and chin are affected. Symptoms of lingual nerve damage include:

• Tingling sensation or numbness of the tongue
• Pain or feelings of burning in the tongue
• Loss of taste sensation, or changes in the way taste is perceived
• Drooling
• Slurred speech or difficulty speaking
• Decreased salivation
• Inability to control the biting of the tongue

Inferior Alveolar Nerve (IAN) Damage

The IAN runs along the lower jaw, carrying sensation to the teeth, gums, lips, chin, and cheeks. It can be injured during anesthesia injections, root canals, wisdom tooth removal, or implant placement. Symptoms include pain, tingling, burning, numbness, drooling, and slurred speech, presenting in the chin, lips, and gums.

Dental implant placement carries a particularly high IAN risk because the implant must be positioned near the nerve. CBCT imaging gives the surgeon a three-dimensional map of the jaw before placement. When that imaging is skipped or misread, the nerve’s location goes into surgery unconfirmed.

Trigeminal Nerve Damage

The trigeminal nerve, made up of the ophthalmic, maxillary, and mandibular branches, provides sensation to the face, nose, mouth, and tongue, and controls chewing. It can be damaged by carelessly handled root canals or overfilling. Symptoms include severe migraine-like head pain, extreme sensitivity to air and temperature, burning in the face, and facial numbness.

Mental Nerve Damage

The mental nerve branches off the IAN and exits near the premolars, carrying sensation to the lower lip, chin, and surrounding skin. It sits directly in the path of implant placement and lower jaw surgeries. Symptoms include numbness or tingling in the lower lip and chin, persistent burning, and difficulty sensing temperature or pressure. Patients often describe it as feeling like the anesthesia never wore off.

Is the Nerve Temporary or Permanent?

Some dental nerve injuries resolve on their own. Others don’t. The difference depends on how severely the nerve was affected.
Mild injuries involve temporary compression or bruising with no structural damage. Most patients recover within days to a few weeks.

More significant injuries damage the nerve fibers inside an intact outer sheath. Recovery takes months and may be incomplete. The most severe injuries involve a severed or crushed nerve, which rarely resolves without surgery.

If numbness, pain, or altered sensation has persisted for more than three months, full recovery without treatment is unlikely. That is also when an independent neurological evaluation becomes important both for your care and for your legal claim. A documented prognosis from a provider outside your dental office establishes permanence, which directly affects how damages are calculated.

If your symptoms have lasted more than three months, contact us for a case evaluation at (612) 349-2729.

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When Is Dental Nerve Damage Malpractice vs. a Known Risk?

Nerve damage is a recognized complication of several dental procedures. That does not automatically protect the dentist. The legal question is whether the dentist’s specific conduct made the injury more likely than it should have been.

When It’s a Known Risk, Not Negligence

A dentist who reviews imaging, uses proper technique, and fully informs the patient of the risk beforehand has not committed medical malpractice simply because the nerve was affected. Temporary numbness after a molar extraction, transient altered sensation from an anesthesia injection, or brief sensitivity changes after a root canal, when properly planned and disclosed, generally fall into this category.

The outcome alone does not determine liability. What matters is whether the dentist did what a reasonably skilled provider would have done.

When It Becomes Malpractice

The same injury that is an accepted risk in one case can be malpractice in another. It crosses that line when a specific, identifiable failure caused the injury or made it worse.

Common failures include:

• No imaging or ignored imaging: The inferior alveolar, mental, and lingual nerves are visible on pre-operative CBCT imaging. Placing an implant or extracting a molar without confirming nerve location or ordering imaging, and not using it, removes a required safeguard.
• Improper technique: Excessive force, wrong instrument placement, or an implant set at the wrong depth or angle can each cause injuries that correct technique would have prevented.
• Failure to refer: When a procedure’s complexity requires a specialist, proceeding without that referral is itself a breach.

A bad outcome is not automatically malpractice. A completed procedure is not automatically protected from liability. The question is whether a gap exists between what your dentist did and what a competent dentist would have done, and whether that gap caused your injury.

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What Should You Do If You Think Your Dentist Caused Nerve Damage?

The steps you take in the weeks after a suspected injury can directly affect your case.

1. See a different provider: Get a second opinion from a neurologist or an oral and maxillofacial surgeon who was not involved in your care. Their assessment creates an independent record.
2. Keep a symptom log: Write down every symptom, its location, severity, and how it changes day to day. Dates matter.
3. Request your complete dental records: You are entitled to them. Get everything, including pre-operative imaging, consent forms, treatment notes, and billing records.
4. Do not sign anything the dental office sends you: Post-injury release forms or settlement offers from an insurer should go to a lawyer first.
5. Contact a Minnesota medical malpractice attorney: The 180-day expert affidavit deadline under Minnesota Statutes 145.682 starts running from the date you file your complaint. Early attorney involvement protects that deadline.

How Do You Prove a Dentist Is Liable for Nerve Damage?

Proving dental malpractice requires more than showing that something went wrong. You must demonstrate, with documented evidence and expert support, that your dentist’s specific actions or omissions caused your injury.

The Four Elements Your Lawyer Must Prove

To win a dental malpractice claim, your lawyer must establish:

1. A dentist-patient relationship existed. You were an established patient receiving treatment, which creates a legal obligation to meet the standard of care.
2. The dentist owed you a duty of care. Every licensed dentist in Minnesota is required to perform procedures at the level a reasonably skilled dentist would under the same circumstances.
3. The dentist breached that duty. The breach is the specific act or failure, like proceeding without reviewing imaging or using the wrong instrument technique, that fell below that standard.
4. The breach caused measurable harm. There must be a documented connection between what the dentist did wrong and the nerve damage you suffered.

Evidence That Builds Your Case

The patient’s medical record is the starting point. Your lawyer will look for missing pages, inconsistencies, and documentation gaps.

Supporting evidence includes:

• Medical records from before and after the injury.
• Signed consent forms and documented treatment plans.
• Bills for services and records of all appointments.
• Notes written by the dentist, hygienist, or other office staff.
• Expert medical witness statements.
• Any existing video footage or photographs.

Cases become more complex when a dental office carries inadequate malpractice insurance or when records appear altered or incomplete. Ghost surgery (where a procedure is performed by someone other than the dentist you consented to) is rare but has been documented in dental contexts. Your lawyer will need complete access to billing records, staff schedules, and treatment notes to surface those issues.

The Role of the Dental Expert Witness

Under Minnesota Statutes 145.682, a signed expert affidavit is mandatory. Miss the 180-day deadline, and the case is dismissed, regardless of merit.

The expert, typically an oral surgeon, periodontist, or procedurally specialized dentist, must opine on two things: whether the dentist’s conduct fell below the standard of care, and whether that failure caused the injury. They will review pre-operative imaging, treatment notes, consent forms, and post-operative records to reach that opinion.

A strong opinion is specific. It names the exact failure, explains what a competent dentist would have done differently, and connects that failure to your injury. Vague opinions rarely survive a motion to dismiss in Minnesota courts.

What If Your Dentist Never Warned You That Nerve Damage Was Possible?

Informed consent is a legal requirement. Before any procedure carrying nerve injury risk, a Minnesota dentist must explain that risk clearly, give the patient a real opportunity to ask questions, and document it.

If no warning was given or you were handed a generic form to sign in the waiting room, failure can be an independent basis for liability, separate from whether the procedure was performed correctly. The question is whether a fully informed patient might have made a different choice.

Minnesota Laws That Apply to Dental Malpractice Claims

If your injury occurred in Minnesota, specific rules govern how your case is handled.

• Statute of limitations: Under Minnesota Statutes 541.076, most claims must be filed within four years of the negligent act. If the injury wasn’t reasonably discoverable at the time, the clock starts when you knew or should have known about the harm. Don’t assume your window has closed before speaking with an attorney.
• Expert affidavit requirement: Under Minnesota Statutes 145.682, a signed expert affidavit must be served within 180 days of filing the complaint. The affidavit must identify the specific acts or omissions that breached the standard of care. Missing this deadline results in mandatory dismissal, which is why early attorney involvement matters.
• Modified comparative fault: Under Minn. Stat. 604.01, damages are reduced in proportion to the plaintiff’s share of fault. If the plaintiff is found more than 50% at fault, recovery is barred entirely.
• No cap on compensatory damages: Minnesota does not cap compensatory damages in dental malpractice cases. If your nerve damage is permanent, the full value of treatment costs, lost earning capacity, and non-economic harm is recoverable.

If you’re unsure whether your window has closed, call (612) 349-2729 before assuming it has.

What Damages Can You Recover for Dental Nerve Damage in Minnesota?

Damages refer to the money awarded to an injured person due to another’s negligence. In a dental malpractice case, recoverable compensation includes:

• Dental and medical bills
• Costs associated with recovery and treatment
• Medication costs
• Lost wages or loss of future income
• Pain and suffering
• Emotional distress
• Disfigurement or permanent damage
• Loss of enjoyment of life

The amount depends on the severity of the injury and how permanence is documented by medical experts. Minnesota places no cap on compensatory damages, so permanent nerve damage carries the full value of every long-term loss into the calculation.

We have secured a $2.05 million jury verdict in a surgical malpractice case.

Talk to a Minnesota Dental Malpractice Lawyer

If a dental procedure left you with lasting nerve damage, your dentist likely has an insurer already building a defense. The longer you wait, the more time that defense has to build.

At Madia Law LLC, we take dental malpractice cases on contingency, meaning you pay nothing unless we recover for you.

Call us at (612) 349-2729 or complete a case evaluation form.

Call 612-349-2729 or complete a Case Evaluation form