Impacted Wisdom Teeth — Assessment and Options
An impacted wisdom tooth is one that has not been able to come through into the mouth in a normal position. It may be tilted, partly buried in bone, or pressed against the tooth in front. Impaction is common — many adults have at least one — and the right approach depends on whether the tooth is causing problems or likely to in the future.
If a wisdom tooth has been flagged on imaging or is causing discomfort, our team can take a calm, considered look at the options. You can book online at a time that suits you.
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What "impacted" actually means
A wisdom tooth is described as impacted when there is not enough room for it to erupt fully, or when it is angled so that something is blocking its path. There are several patterns:
Mesial impaction
The most common pattern. The wisdom tooth tilts forward toward the second molar in front of it. The crown can press against the back of the neighbouring tooth.
Vertical impaction
The tooth is upright in the bone but stuck — usually because there is not enough room at the back of the jaw for it to come through fully.
Horizontal impaction
The tooth lies on its side, with the crown pointing forward into the back of the second molar. These often need surgical removal if they cause problems.
Distal impaction
The tooth tilts backward, away from the second molar. Less common.
Soft-tissue versus bony impaction
A soft-tissue impaction is one where the crown is fully out of the bone but covered by gum. A bony impaction is one where part of the tooth is still surrounded by bone. The deeper the impaction, the more involved the removal.
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How impacted wisdom teeth show up
Some impacted wisdom teeth are silent and only spotted on a routine OPG. Others cause symptoms over time:
For symptoms that are flaring up acutely, our toothache causes page may help you decide whether to book in sooner.
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Risks of leaving a problem impaction untreated
Most impactions that are silent and stable can be monitored. The reason we sometimes recommend acting on an impaction even when symptoms are mild is that certain patterns tend to cause damage over time:
An OPG every few years is the most practical way to monitor for these changes — see our digital imaging page for more.
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How we assess an impacted wisdom tooth
A typical assessment takes 20 to 30 minutes:
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Treatment options
Active monitoring
If the tooth is fully buried, the bone around it is healthy, the second molar is not at risk, and there are no symptoms, watching and waiting is reasonable. We re-image at intervals and review at routine check-ups.
Removal at the practice
Many impacted wisdom teeth can be removed under local anaesthetic at Sandgate. We discuss what is involved, what recovery looks like, and what the realistic risks are. Our recovery page walks through the days after the procedure.
Referral to an oral surgeon
For deeply impacted teeth, complex cases, or patients who prefer sedation or a general anaesthetic, we refer to an oral and maxillofacial surgeon. We share imaging and notes directly with the surgeon so you do not need to repeat the assessment.
Treating a flare-up first
If you arrive with an acute pericoronitis flare, we usually settle the area first with a clean, salt-water rinses, and sometimes antibiotics, before any decision about removal. Surgery is more comfortable on settled tissues.
Appointment
What to expect at the appointment
If we are removing an impacted wisdom tooth at the practice, the visit typically takes 45 to 75 minutes depending on complexity. The area is numbed thoroughly with local anaesthetic. For most impactions, a small incision in the gum is made, sometimes a small amount of bone is removed, and the tooth may be sectioned to make removal easier. Stitches are usually placed at the end. Aftercare information is provided in writing and we are available for questions afterwards.
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Who this page is for
This page is relevant if you have been told you have an impacted wisdom tooth, if you are having recurrent issues at the back of the mouth, or if a recent OPG has flagged something for review. It is also useful for parents of older teenagers whose wisdom teeth are starting to develop.
Payment
Health funds and payment
Impacted wisdom-teeth removal sits under oral surgery item numbers, which differ from a simple extraction. We are HICAPS providers and can claim your eligible rebate on the day. The amount depends on your individual policy, your level of cover, and your annual limits — your fund can confirm before treatment. See wisdom teeth cover for general guidance and payment options for more on planning.
FAQs
Impacted wisdom teeth FAQs
Does an impacted wisdom tooth always need to come out?
No. Many impacted teeth are stable, silent, and safe to monitor. We act on those that are causing symptoms or putting the neighbouring tooth at risk.
Will removal damage the nerve in my jaw?
Temporary lip or chin sensitivity can happen after removal of a lower wisdom tooth that sits close to the nerve. Permanent changes are uncommon. We assess the proximity carefully on imaging — and if the risk looks higher, we usually refer to an oral surgeon for advanced planning.
How long is recovery after impacted removal?
Most patients are comfortable enough for normal activities within three to five days, with full healing of the gum over one to two weeks. Detail is on our recovery page.
Can an impacted upper wisdom tooth affect the sinus?
The roots of upper wisdom teeth can sit very close to the maxillary sinus. We assess this on the OPG and discuss any sinus considerations before removal.
Why do impacted wisdom teeth often need stitches?
A small incision in the gum is usually needed to expose the tooth. Stitches help the gum heal cleanly afterwards. Most are dissolvable.
Is sedation available?
Yes — usually through referral to an oral surgeon for sedation or general anaesthetic. For local anaesthetic with extra reassurance, our information on dental anxiety may help.
What if I keep getting pericoronitis flare-ups?
Repeated pericoronitis is one of the clearer reasons to remove a partially impacted wisdom tooth, since the flap of gum is likely to keep catching food and bacteria. We usually plan removal after the current flare-up has been settled.
Related pages
Related pages
Plan your wisdom teeth removal.
We’ll talk you through the options at a consult.
Or phone Sandgate Family Dental on (07) 3269 6252.