Lawyer, Esquire
That comment from the dentist is actually pretty telling, and it changes how I'd think about your situation. Let me break down what you potentially have here and what your options look like.
WHAT HAPPENED AND WHY IT MATTERS
You had a tooth extracted. Bone spurs developed afterward, which can happen. The dentist attempted to remove them with a bone saw but couldn't get them all. He told you he'd finish the job later. Then there's the communication breakdown where the front desk didn't know why you were there, and now when you mention seeing another dentist, he's suddenly fine with it. That last part is the real issue. When a dentist tells you to come back and then acts relieved when you say you're going elsewhere, it suggests a few things. Either he knows there's a problem he doesn't want to deal with, or he's aware his work might not hold up to scrutiny. From a legal standpoint, that reaction could actually help your case because it shows consciousness of guilt.
YOUR POTENTIAL NEGLIGENCE CLAIM
A dental negligence case in California requires three things. First, the dentist owed you a duty of care, which he did because you were his patient. Second, he breached that duty by falling below the standard of care that a competent dentist would provide. Third, that breach caused you actual damages like pain, additional costs, or ongoing problems. Based on what you've told me, the breach could involve several things: the extraction technique itself if it caused the bone spurs, the incomplete removal of those spurs, or the failure to properly follow up on an ongoing issue. The fact that he couldn't remove all of them in one visit isn't automatically negligence, but it depends on what he told you and whether a competent dentist would've handled it differently.
WHAT YOU NEED TO DO NEXT
Get a second opinion from another dentist as soon as possible. This is essential. That dentist needs to evaluate your mouth and give you a written opinion on whether the extraction was done properly and whether the bone spur treatment fell below standard care. Without that expert opinion, you don't have a case. This is what's called establishing the standard of care, and you can't do it without another dentist saying the first one messed up. Document everything. Keep records of your pain, any costs you've incurred, the dates of your appointments, and what was said. Write down the conversation you just had with the dentist about seeing someone else. Take photos of your mouth if you can see the bone spurs.
STATUTE OF LIMITATIONS
In California, the deadline to file a dental negligence lawsuit is generally governed by California Code of Civil Procedure, which sets the time limit for professional negligence claims against health care providers at three years from the date of injury, or one year from when you discover (or reasonably should have discovered) the injury, whichever comes first. (CA Civ Pro Code § 340.5) So you have time, but don't wait forever. Get that second opinion soon.
YOUR REALISTIC OPTIONS
If the second dentist confirms negligence, you have a few paths. You could try to settle with the first dentist's malpractice insurance, file a complaint with the California Dental Board, or pursue a lawsuit. Most dental negligence cases settle before trial because the evidence is pretty clear once you have expert opinions. The communication failures and the dentist's reaction to you seeing someone else actually strengthen your position. It shows a pattern of poor care and suggests he knows there's a problem.