Innova Dental Blog

Do I Need My Wisdom Teeth Removed? An Honest Guide

Written by Dr Bing Lee | Oct 4, 2026, 12:35:38 PM

Not always. A dentist may recommend removal when a wisdom tooth is causing disease or damage, or when an individual assessment identifies a reason to remove it. Being impacted, meaning a tooth has not fully come through, does not by itself settle that decision. Wisdom teeth that have come through straight, are healthy, and are easy to keep clean can often stay exactly where they are. The answer to whether you need yours out is that it depends on your own mouth, and the decision needs a dental examination, your history and appropriate imaging when indicated.

If a dentist has told you all four need to go and something in your gut is not sure, that instinct is reasonable. You are allowed to understand why before you agree to surgery.

When wisdom teeth usually do need to come out

There are a handful of situations where removal is genuinely the sensible path. A dentist will look for:

Impaction that is causing trouble. A wisdom tooth stuck against the tooth in front, or trapped under the gum at an angle, can create a trap for food and bacteria. That leads to pain, swelling, and repeated gum infections around the tooth.

Decay that cannot be restored. Wisdom teeth sit right at the back and are hard to brush. When one decays badly, or causes decay in the healthy tooth next to it, removal is often the cleaner long term decision.

Recurring infection or swelling. If you keep getting flare ups around a wisdom tooth, each episode is a signal. Repeated infection rarely settles on its own.

Damage to neighbouring teeth, or a cyst. Occasionally a wisdom tooth pushes on the roots of the tooth in front, or a fluid filled cyst forms around an impacted tooth. These are found on an X-ray and are clear reasons to act.

Pain that keeps coming back. Ongoing ache, pressure, or jaw stiffness at the back of the mouth is worth investigating rather than living with.

When wisdom teeth can often be left alone

This is the part that gets missed. Healthy wisdom teeth do not automatically need removing. Many people keep theirs for life. A dentist may be comfortable leaving them when:

  • They have erupted fully and sit in a normal position.
  • They bite together properly and do their job when you chew.
  • You can brush and floss around them like any other tooth.
  • They are not decayed, infected, painful, or damaging neighbouring teeth.

If your wisdom teeth tick those boxes, the right plan may simply be to keep an eye on them at your regular check ups rather than book surgery. Removing a healthy, problem free tooth is itself a procedure with recovery and risk, so it should be done for a reason, not by default.

The grey area, and how a dentist decides

Plenty of wisdom teeth sit somewhere in between. They might be partly through, a little awkward to clean, or not causing trouble yet but heading that way. This is where judgement comes in, and where two dentists can reasonably reach different conclusions.

To make the call, a dentist looks at your panoramic X-ray, an OPG, and weighs up:

  • The position and angle of each wisdom tooth.
  • How close the roots sit to the nerve in your lower jaw.
  • Whether you can realistically keep the area clean.
  • Your age, since recovery and root development change over time.
  • Your history of pain, infection, or problems so far.

Symptoms alone do not settle the decision. Your dentist brings together an examination, your history and any imaging that is clinically indicated.

For impacted wisdom teeth with no symptoms or disease, a Cochrane review found insufficient evidence to recommend routine removal or retention for everyone. The decision should take your circumstances and preferences into account. If a tooth is kept, regular clinical review matters.

Is it worth getting a second opinion before you commit?

If you have been quoted for removal and you are not certain it is necessary, a second opinion is good judgement, not distrust. It gives you an independent read on your own X-ray before you commit to surgery you might not need, or before you delay surgery you genuinely do.

If you are considering a second opinion, ask what information the dentist needs and whether an examination is required. An X-ray can help inform the discussion, but it does not replace an individual clinical assessment.

To discuss a wisdom teeth consultation with Innova Dental in Launceston, call (03) 6331 6754.

What if they do need to come out?

If removal is the right call, knowing that for certain is its own relief. It is a common, well understood procedure, and understanding the cost upfront takes a lot of the stress out of it. You can read our plain English guide to what wisdom teeth removal costs, or learn about the procedure on our wisdom teeth removal page.

Understand your options before deciding

Not every wisdom tooth needs to come out, and not every wisdom tooth should stay. A clinical examination, your history and appropriate imaging help a dentist explain the options for you. If you are unsure, get a second set of eyes on it before you decide.

Frequently asked questions

Do all wisdom teeth need to be removed?

No. Wisdom teeth that have come through properly, are healthy, and are easy to clean can often be left in place and simply monitored. Removal may be recommended for disease, repeated infection or damage to nearby teeth. An impacted tooth needs an individual assessment; impaction alone does not automatically mean removal.

How do I know if my wisdom teeth need to come out?

Start with a dental examination and a discussion of your symptoms and history. Your dentist may recommend imaging to assess tooth position and nearby structures. Symptoms alone are not enough to judge it.

Can I keep my wisdom teeth?

Often, yes. If they are healthy, functional, and cause no problems, many people keep their wisdom teeth for life with regular check ups. Removing a problem free tooth is a procedure with its own recovery, so it should be done for a clear reason.

Should I get a second opinion before removing my wisdom teeth?

If you are not certain removal is necessary, a second opinion is sensible. It gives you an independent assessment of your own X-ray before you commit to surgery. Ask the practice about consultation arrangements and any fees before booking.

Is it bad to leave wisdom teeth in?

Not if they are healthy and trouble free. Problems such as decay, infection or damage to nearby teeth need assessment. Even without pain, regular dental review helps monitor teeth that are being retained.

This article is general information and is not a diagnosis. Any surgical or invasive procedure carries risks. Before proceeding, you should seek a second opinion from an appropriately qualified health practitioner. Results may vary from patient to patient. A clinical examination is required before any treatment recommendation can be made.

References

Primary reference for this article: Hyam DM. The contemporary management of third molars. Australian Dental Journal. 2018. doi:10.1111/adj.12587

Ghaeminia H and colleagues. Surgical removal versus retention for the management of asymptomatic disease-free impacted wisdom teeth. Cochrane Database of Systematic Reviews. 2020. doi:10.1002/14651858.CD003879.pub5