The 7 most common reasons to sue a dentist for malpractice are: (1) Misdiagnosis or failure to diagnose oral cancer, (2) Nerve damage during extractions or implant procedures, (3) Improper root canal treatment, (4) Wrong tooth extraction, (5) Anesthesia complications, (6) Infections from unsanitary conditions, and (7) Failure to obtain informed consent. In Illinois, dental malpractice settlements typically range from $25,000 to $500,000+, depending on the severity of harm. You have 2 years from the date of injury (or discovery) to file a claim under Illinois law (735 ILCS 5/13-212). For broader claims involving professional judgment errors, review our professional negligence lawyer page.
Dental malpractice can cause permanent damage—from chronic pain and disfigurement to life-threatening infections. If a dentist’s negligence harmed you, you may be entitled to significant compensation under Illinois medical malpractice law.
Injured by a dentist? Contact Phillips Law Offices at (312) 598-0917 for a free consultation with our Chicago dental malpractice lawyers.
7 Common Reasons to Sue a Dentist for Malpractice
| # | Malpractice Type | Common Examples | Typical Settlement Range |
|---|---|---|---|
| 1 | Misdiagnosis/Failure to Diagnose | Missing oral cancer, periodontal disease, TMJ | $100,000 – $1,000,000+ |
| 2 | Nerve Damage | Inferior alveolar nerve injury, lingual nerve damage | $50,000 – $500,000 |
| 3 | Improper Root Canal | Perforations, broken instruments, incomplete cleaning | $25,000 – $150,000 |
| 4 | Wrong Tooth Extraction | Extracting healthy teeth, wrong location | $10,000 – $100,000 |
| 5 | Anesthesia Complications | Overdose, allergic reactions, oxygen deprivation | $100,000 – $1,000,000+ |
| 6 | Infections | Post-procedure infections, sepsis, osteomyelitis | $50,000 – $300,000 |
| 7 | Lack of Informed Consent | Not disclosing risks, alternatives, complications | $25,000 – $200,000 |
1. Misdiagnosis or Failure to Diagnose
The most serious—and often most valuable—dental malpractice claims involve failure to diagnose oral cancer or other serious conditions. Dentists perform routine oral cancer screenings during checkups, and missing early warning signs can be fatal.
Common diagnostic failures include:
- Missing oral cancer lesions or tumors
- Failing to identify periodontal (gum) disease
- Overlooking signs of tooth decay
- Missing TMJ (temporomandibular joint) disorders
- Not diagnosing abscesses or infections
Settlement example: A 2024 Illinois case resulted in a $750,000 settlement when a dentist failed to identify oral cancer during routine cleanings, leading to delayed treatment and stage 4 diagnosis.
2. Nerve Damage During Dental Procedures
Nerve injuries are among the most devastating dental malpractice outcomes. The inferior alveolar nerve and lingual nerve are commonly damaged during:
- Wisdom tooth extractions
- Dental implant placement
- Root canal procedures
- Local anesthesia injections
Symptoms of dental nerve damage:
- Numbness in lip, chin, tongue, or gums
- Tingling or “pins and needles” sensations
- Burning pain
- Loss of taste
- Difficulty speaking or eating
Nerve damage may be temporary or permanent. Permanent nerve injuries justify higher settlements due to lifelong impact.
3. Improper Root Canal Treatment
Root canals are common procedures, but errors can cause serious complications:
- Perforations: Drilling through the root into surrounding bone
- Broken instruments: Files breaking off inside the tooth
- Incomplete cleaning: Leaving infected tissue behind
- Overfilling: Pushing material into surrounding tissues
- Missed canals: Leaving infected canals untreated
Failed root canals often lead to persistent infection, tooth loss, or the need for expensive retreatment or extraction with implant replacement.
4. Wrong Tooth Extraction
Extracting the wrong tooth is a “never event”—an error that should never happen. Yet it occurs more frequently than most people realize.
Common causes:
- Miscommunication between dental staff
- Misreading X-rays or patient charts
- Failure to verify the correct tooth before extraction
- Patient confusion about which tooth was problematic
Victims of wrong tooth extraction are typically entitled to compensation for the unnecessary extraction, replacement costs (implants), and pain and suffering.
5. Anesthesia Complications
Dental anesthesia errors can be life-threatening, particularly with sedation dentistry:
- Overdose: Administering too much anesthesia
- Allergic reactions: Not screening for allergies
- Improper monitoring: Failing to monitor vital signs during sedation
- Oxygen deprivation: Leading to brain damage
- Cardiac complications: Heart arrhythmias or arrest
Anesthesia-related deaths and brain injuries result in some of the largest dental malpractice settlements, often exceeding $1 million.
6. Infections from Dental Treatment
Post-procedure infections can occur when dentists fail to maintain sterile conditions or properly treat existing infections:
- Surgical site infections: After extractions or implants
- Osteomyelitis: Bone infection in the jaw
- Sepsis: Life-threatening systemic infection
- Endocarditis: Heart infection from oral bacteria
- Ludwig’s angina: Severe infection under the tongue
Dental infections can spread rapidly and become life-threatening. If a dentist’s negligence caused your infection, you may have a malpractice claim.
7. Lack of Informed Consent
Under Illinois law, dentists must obtain informed consent before performing procedures. This means explaining:
- The nature of the proposed treatment
- Risks and potential complications
- Alternative treatment options
- Consequences of refusing treatment
- Expected outcomes and recovery
If a complication occurs and the dentist never warned you about it, you may have a valid informed consent claim—even if the procedure was performed correctly.
Illinois Dental Malpractice Law: What You Need to Know
Statute of Limitations (735 ILCS 5/13-212)
In Illinois, you must file a dental malpractice lawsuit within:
- 2 years from the date you knew (or should have known) you were injured
- 4 years maximum from the date of the negligent act (absolute cutoff)
- Minors: 8 years from the act, but must file by age 22
No Damages Cap in Illinois
Unlike some states, Illinois has no cap on medical malpractice damages. The Illinois Supreme Court struck down damages caps as unconstitutional in Lebron v. Gottlieb Memorial Hospital (2010). This means victims can recover full compensation for:
- Medical expenses (past and future)
- Lost wages and earning capacity
- Pain and suffering
- Disfigurement
- Loss of enjoyment of life
- Emotional distress
Affidavit of Merit Required
Illinois law requires plaintiffs to file an affidavit of merit from a qualified healthcare provider (usually a dentist) confirming that the case has legitimate grounds. This prevents frivolous lawsuits while ensuring valid claims proceed.
How to Prove Dental Malpractice in Illinois
To win a dental malpractice case, you must prove four elements:
| Element | What You Must Prove | Evidence Needed |
|---|---|---|
| 1. Duty of Care | Dentist-patient relationship existed | Dental records, appointment history |
| 2. Breach of Duty | Dentist failed to meet standard of care | Expert witness testimony |
| 3. Causation | Breach directly caused your injury | Medical records, expert testimony |
| 4. Damages | You suffered actual harm | Medical bills, documentation of injuries |
Expert testimony is crucial in dental malpractice cases. Your attorney will work with dental experts to review your records and testify about what the dentist should have done differently.
Dental Malpractice Settlement Factors
Settlement amounts depend on several factors:
- Severity of injury: Permanent damage commands higher compensation
- Medical expenses: Cost of corrective treatment
- Lost income: Time missed from work
- Pain and suffering: Physical and emotional impact
- Defendant’s insurance: Available coverage limits
- Strength of evidence: Clear proof of negligence
Frequently Asked Questions
How much can I sue a dentist for malpractice in Illinois?
There’s no cap on dental malpractice damages in Illinois. Settlements typically range from $25,000 for minor injuries to over $1 million for severe harm like permanent nerve damage, brain injury, or wrongful death. The amount depends on the severity of your injury, medical expenses, lost wages, and pain and suffering.
How long do I have to sue a dentist in Illinois?
Under Illinois law (735 ILCS 5/13-212), you have 2 years from when you discovered (or should have discovered) the injury to file a dental malpractice lawsuit. However, there’s an absolute 4-year limit from the date of the negligent act. For minors, the deadline extends to age 22 or 8 years from the act, whichever comes first.
What qualifies as dental malpractice?
Dental malpractice occurs when a dentist fails to provide care that meets the accepted standard of practice, and that failure causes harm. Common examples include misdiagnosis, nerve damage, wrong tooth extraction, failed root canals, anesthesia errors, infections from unsanitary conditions, and failure to obtain informed consent.
Do I need an expert witness for a dental malpractice case?
Yes. Illinois requires an affidavit of merit from a qualified healthcare provider to file a dental malpractice lawsuit. At trial, expert testimony is typically necessary to establish the standard of care and prove the dentist’s actions fell below that standard. Your attorney will arrange for appropriate expert witnesses.
Can I sue for nerve damage after a tooth extraction?
You can sue if the nerve damage resulted from negligence—such as improper technique, failure to review X-rays, or failure to warn you about risks. However, some nerve damage risk exists even with proper care. An expert must determine whether the dentist’s actions fell below the standard of care.
Related Medical Malpractice Resources
- Chicago Medical Malpractice Lawyers – Full-service representation
- Dental Malpractice Attorneys – Specialized dental injury cases
- Dental Malpractice Settlement Amounts – What to expect
- Surgical Errors – When procedures go wrong
- Brain Injury Claims – For anesthesia-related damage
Injured by a Dentist? Contact Our Chicago Dental Malpractice Lawyers
If you’ve suffered harm from dental treatment, don’t wait. The statute of limitations can bar your claim if you delay too long.
At Phillips Law Offices, our experienced medical malpractice attorneys have helped victims of dental negligence recover millions in compensation. We work with dental experts to build strong cases and fight for maximum recovery.
Contact us today for a free consultation:
If you believe you have a medical malpractice case in the Chicago suburbs, Phillips Law Offices handles cases throughout Illinois. Our Naperville medical malpractice lawyers, Rockford medical malpractice attorneys, and Elgin medical malpractice team can evaluate your case. Call (312) 346-4262 for a free consultation.
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If you’ve been injured due to professional negligence in Illinois — whether it’s dental malpractice, surgical errors, or any other form of medical negligence — having an experienced attorney is critical. Phillips Law Offices represents injury victims throughout Illinois, including through our Aurora personal injury attorneys. We offer free consultations and work on a contingency fee basis.
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