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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Ottawa Legal Guides » Accidents & Personal Injury Claims Ottawa » Medical Malpractice & Defective Products Ottawa » Can you sue an Ottawa dentist for botched dental work?

Can you sue an Ottawa dentist for botched dental work?

26 Mar 2026 5 min read No comments Medical Malpractice & Defective Products Ottawa
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Yes, you can sue an Ottawa dentist for malpractice if their negligence caused severe injuries such as permanent nerve damage, loss of healthy teeth, or life-threatening infections. To win compensation, you must obtain an independent report from an Ontario dental specialist proving the dentist breached the accepted standard of care.

Visiting a dental clinic in the Glebe, Barrhaven, or downtown Ottawa is a routine part of maintaining your health. We trust that our dentists, oral surgeons, and orthodontists possess the advanced training necessary to perform root canals, extractions, and implant placements safely. However, dental malpractice occurs more frequently than most patients realize. When a routine wisdom tooth extraction results in permanent facial numbness, or a poorly executed bridge causes a massive, painful bone infection, the financial and emotional toll on the patient is devastating.

Filing a lawsuit against an Ontario dental professional is a highly complex legal undertaking. 🔍 It is not enough to simply be unhappy with the cosmetic appearance of your new veneers or to experience standard post-operative pain. To successfully sue for dental negligence, your personal injury lawyer must definitively prove that your dentist made a critical error that a reasonably competent dentist in Ottawa would not have made under the same circumstances. Furthermore, they must prove that this specific error directly caused you significant, measurable financial and physical damages.

Step-by-Step Process in Ottawa

Holding a dental professional accountable requires moving quickly to preserve evidence and mitigate your injuries. If you suspect you are the victim of botched dental work in the Greater Ottawa Area, here is the standard process a specialized law firm will follow.

Step 1: Seek Emergency Corrective Treatment

Your immediate health is paramount. 👨 If you are suffering from a severe infection, uncontrolled bleeding, or extreme nerve pain after a procedure, go to a different dental specialist or the emergency room at The Ottawa Hospital immediately. Under Ontario law, you have a strict duty to “mitigate your damages.” By seeking corrective care from a new, independent maxillo-facial surgeon, you protect your health and generate objective medical records detailing exactly what the first dentist did wrong.

Step 2: Request Your Complete Dental Chart

Your new lawyer will immediately request your entire chart from the negligent dentist. This includes all clinical notes, pre- and post-operative X-rays, periodontal charting, and the vital informed consent forms. In cases of nerve damage (such as cutting the lingual or inferior alveolar nerve), the pre-operative X-rays are crucial to determine if the dentist should have referred you to a specialist instead of attempting the complex extraction themselves.

Step 3: Obtain an Independent Expert Report

You cannot simply take a dentist to court based on your own complaints. 📄 Your law firm must hire an independent dental expert (often a professor of dentistry or a highly specialized surgeon from outside of Ottawa) to thoroughly review your records. This expert must draft a formal, legally binding report explicitly stating that your original dentist breached the provincial standard of care.

Step 4: File the Statement of Claim

Once armed with a supportive expert report, your lawyer will draft a Statement of Claim and issue it at the Superior Court of Justice on Elgin Street. Almost all licensed dentists in Ontario are insured by the Professional Liability Program (PLP), administered by the Royal College of Dental Surgeons of Ontario (RCDSO). Your lawyer will serve this claim, and the PLP’s defence lawyers will step in to aggressively defend the dentist.

How Much Does it Cost in Ottawa?

Dental malpractice litigation is notoriously expensive because it relies so heavily on specialized medical experts. Fortunately, patients are protected by the way personal injury law is structured in Ontario.

Legal Service or RequirementEstimated Cost (CAD)
Initial Lawyer Consultation$0 (Generally free to assess the case)
Lawyer Contingency FeeTypically 30% to 35% of the final payout
Independent Dental Expert Report$3,000 – $7,000+ (Funded by your lawyer)
Out-of-Pocket Corrective Surgery$5,000 – $30,000+ (Claimed in your lawsuit)
  • Contingency Agreements: Most Ottawa malpractice lawyers will finance the thousands of dollars required for expert reports and court fees upfront. They only take a percentage if they successfully force the PLP to settle or if they win at trial.
  • Claiming Special Damages: OHIP does not cover most complex dental reconstructions. Your lawsuit will demand compensation for all past and future out-of-pocket expenses, including expensive bone grafts, implants, and specialized nerve therapy.
  • General Damages: You will also claim a lump sum for your “pain and suffering.” Permanent issues, like losing the ability to taste food or drooling due to lip numbness, result in higher general damage payouts.

How Long Does the Process Take?

You must adhere to the Ontario Limitations Act, which strictly gives you two years from the date of the botched procedure (or the date you reasonably discovered the error) to formally file your lawsuit. ⌖ Once the Statement of Claim is issued in Ottawa, the discovery and negotiation process is lengthy. A dental malpractice case typically takes 2 to 4 years to reach a final negotiated settlement with the PLP or proceed to a civil trial.

Frequently Asked Questions (FAQ)

Does signing a consent form mean I cannot sue?

No. Signing a consent form only acknowledges that you accept the standard, unavoidable risks of a procedure. It absolutely does not give the dentist permission to be negligent, reckless, or perform the surgery below the accepted standard of care.

What is a lingual nerve injury?

The lingual nerve provides sensation and taste to the tongue. It is sometimes tragically severed during lower wisdom tooth extractions. If the dentist drilled carelessly or failed to identify the nerve’s proximity on an X-ray, causing permanent numbness, it is a common ground for malpractice.

Can the RCDSO award me money for my injuries?

No. The Royal College of Dental Surgeons of Ontario (RCDSO) is a regulatory body. You can file a formal complaint with them, and they can suspend or discipline the dentist, but they have absolutely no legal authority to award you financial compensation. You must file a civil lawsuit for money.

Can I sue if the dentist misdiagnosed oral cancer?

Yes. Dentists are trained to screen for oral pathologies. If they ignored a suspicious lesion, failed to order a biopsy, or dismissed your concerns, and that delay led to the cancer spreading and requiring more aggressive, disfiguring treatments, they can be held liable for delayed diagnosis.

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