Wisdom teeth arrive late. For some adults, they slide into place without trouble. For many others, they run out of room and stay trapped under the gums. This is called impaction.
Impacted wisdom teeth can harm nearby teeth, gums, and jawbone. The damage often builds in silence at first. If you need tooth extractions in Portland, OR, it helps to know which changes in your mouth should never be ignored.
This guide walks through how wisdom teeth become impacted, the risks, and when to see a dentist for a full evaluation.
Wisdom teeth are the final set of molars that emerge at the back of the mouth, often appearing in the late teens or early twenties. They sit at the very back of the mouth, top and bottom. By the time they start to move, the jaw space is often taken by the rest of your teeth.
An impacted tooth may:
Common reasons for impaction include:
In many cases, you cannot see an impacted tooth just by looking in the mirror. Dentists use X-rays to map tooth position and the shape of the roots.
When wisdom teeth stay trapped or partially through the gums, several problems can follow over time.
Gum infection and swelling
Food and plaque collect around partially erupted wisdom teeth. The gum flap over the tooth traps debris. This area is hard to keep clean, so the tissue can turn red, sore, and swollen. Chewing can hurt, and you may notice a bad taste or bad breath.
Damage to nearby teeth
An impacted wisdom tooth that leans into the second molar can wear away its enamel. This raises the risk of decay in the back of the mouth. You may not sense this until the decay reaches the nerve.
Crowding and bite changes
Extra pressure from wisdom teeth can shift the teeth in front. Crowding may return even after past orthodontic care. You might feel tightness in your bite or notice overlapping teeth in the front.
Cysts and bone loss
A fluid-filled sac can form around an impacted tooth. This cyst can expand and weaken the jawbone. In rare cases, it can also harm nearby roots. X-rays help catch these changes at an early stage.
Jaw discomfort and headaches
Ongoing inflammation or pressure near the jaw joint may lead to a dull ache along the side of the face, ear area, or neck. Some patients also report headaches that seem tied to chewing or clenching.
Some impacted wisdom teeth create constant symptoms. Others cause short flare-ups that fade, then return. Both patterns deserve attention.
Contact a dentist if you notice:
Seek prompt care the same day if you have:
Even if your wisdom teeth do not hurt, it is wise to have them checked in your late teens or early adult years. A dentist in Portland can use digital X-rays to see the angle of each tooth and estimate the risk of future problems.
The right approach depends on your age, symptoms, and X-ray findings. Not every impacted tooth needs removal right away, but each one needs a clear plan.
If a wisdom tooth is impacted but not causing harm, your dentist may watch it with regular exams and X-rays. The goal is to catch any shift in position, bone changes, or new decay before it turns severe.
When gum tissue around a partly erupted tooth is inflamed, your dentist may clean under the gum flap. You may receive guidance on brushing and flossing in that area and may use an antimicrobial rinse for a limited time to calm the tissue.
If the risk of infection, crowding, or damage is high, removal is often the safest choice. For impacted teeth, an oral surgeon or general dentist numbs the area and may remove a small amount of bone to reach the tooth. Sedation may be offered for comfort during the visit.
Most patients return home the same day. With rest, cold packs, and the right care, healing progresses over the next several days. Your dentist will explain:
For patients who wear braces or aligners, wisdom tooth planning is part of long-term bite health. Removal at the right stage can help preserve tooth alignment and reduce pressure at the back of the mouth.
Impacted wisdom teeth do not always shout for attention, yet the strain they place on your teeth, gums, and jaw can build over time. Regular dental exams, X-rays, and honest conversations with your dentist give you the best chance to act before pain or infection takes over your day.
If you notice new discomfort at the back of your mouth, changes in your bite, or repeated gum swelling near your wisdom teeth, do not wait for the problem to pass. A thoughtful exam can reveal the cause and outline a clear, step-by-step plan for care.
The team at Laurelhurst Dentistry can help you understand your options, explain each phase of treatment in simple terms, and support you through every stage of wisdom tooth care, from evaluation through recovery.
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