Clove Dental Blog

Is wisdom teeth removal necessary when they are impacted?

Written by Clove Dental Team | Aug 8, 2024, 9:49:52 AM

Whether an impacted wisdom tooth needs to be removed depends on the angle of impaction, the degree to which it's affecting or likely to affect the adjacent second molar. Whether it's causing recurrent infections or decay and whether it's accessible enough for adequate cleaning if left in place. Some impacted wisdom teeth remain stable for years without causing problems and can be monitored rather than immediately extracted. Others are in positions that make complications inevitable.

Key Takeaways

  • Impaction alone isn't a sufficient reason for wisdom tooth removal, the clinical picture of how the tooth is positioned and what it's likely to cause determines the recommendation.
  • Horizontal or mesially-angled impactions pressing against the adjacent molar are more likely to require removal than vertical impactions with adequate space.
  • Earlier removal, when it's indicated, produces a simpler procedure and faster recovery because roots are shorter and bone density is lower in the late teens and early twenties.

Have you been told that one or more of your wisdom teeth are impacted and are wondering whether removal is actually necessary? The word "impacted" sounds definitive, but in clinical practice, it describes a position, not an automatic indication for surgery. Plenty of impacted wisdom teeth are monitored rather than immediately removed, and plenty are removed before they cause any symptoms at all.

At Clove Dental, wisdom teeth removal in Ventura is a recommendation that follows from a specific clinical evaluation, not from a default assumption that impaction equals extraction. Here's how that evaluation actually works, and what the decision depends on.

Does Every Impacted Wisdom Tooth Need to Be Removed?

No. Impaction simply means the tooth hasn't fully erupted into the mouth, it's blocked by the adjacent molar, by bone, or by soft tissue from reaching its intended position. The degree of impaction and the direction the tooth is angled are the variables that most directly drive the clinical recommendation.

A fully bony impaction, a wisdom tooth completely surrounded by bone, not pressing on adjacent structures, and with no access to the oral cavity, may be stable and cause no problems for years. A partial eruption that leaves a flap of gum tissue over the crown creates a bacterial pocket that's highly likely to cause recurrent infections. A mesially-angled impaction pressing against the root of the second molar may cause resorption of that molar's root over time, even without symptoms.

The question isn't "is it impacted?", it's "what is this specific impaction doing and what is it likely to do?"

Why Are Some Impacted Wisdom Teeth Removed While Others Are Left Alone?

The factors that push a recommendation toward removal are predictable and specific. An impaction angled at 45 degrees or more against the adjacent second molar is applying pressure to a structure that can't absorb it without damage.

A partially erupted wisdom tooth with a persistent soft tissue flap over the crown, called an operculum, creates a situation where bacteria accumulate in a space that can't be effectively cleaned. The result is pericoronitis: infection and swelling in the tissue around the partially erupted tooth. Pericoronitis is painful, tends to recur and doesn't resolve without removing the source.

What Problems Can an Impacted Wisdom Tooth Cause If It's Left Untreated?

The complications that develop from impacted wisdom teeth are consistent enough to predict, though they don't affect every patient and don't always produce symptoms until they're established.

Pericoronitis is the most immediately noticeable: infection of the soft tissue around a partially erupted tooth that causes pain, swelling, difficulty opening the jaw, and sometimes systemic symptoms like fever.

Decay on the adjacent second molar is one of the more consequential outcomes. The contact area between a mesially-angled wisdom tooth and the second molar is virtually impossible to clean, making it a reliable site for cavity formation.

Dentigerous cysts can form around the crown of an impacted tooth over time. These are usually benign but can expand into the surrounding bone and require more involved treatment than extraction alone would have.

Is It Better to Remove an Impacted Wisdom Tooth Before It Causes Problems?

When removal is indicated, when the impaction pattern makes problems predictable, yes. Earlier removal in the late teens and early twenties, when roots are shorter, bone is less dense, and the overall healing trajectory is faster, produces a simpler procedure and faster recovery than the same surgery performed five or ten years later.

The roots of wisdom teeth continue developing through the early twenties. After that, root development is complete, the bone surrounding them is denser, and the proximity of root tips to the inferior alveolar nerve is determined. Earlier removal avoids the complications that arise from root proximity to the nerve in lower wisdom teeth, reduces surgical difficulty, and shortens recovery.

The Decision Isn't Based on One Tooth. It's Based on Your Whole Mouth.

The clinical recommendation for an impacted wisdom tooth is made in the context of the full dental picture. A patient with excellent bone density, stable impactions, no history of pericoronitis, and cleanable adjacent teeth is in a different position than one with moderate crowding, prior gum disease, compromised adjacent molars and wisdom teeth at awkward angles.

The wisdom tooth evaluation at Clove Dental includes panoramic imaging to assess all four quadrants simultaneously, clinical examination of any tissue that's accessible around partially erupted teeth, and a conversation about the patient's history and priorities. Wisdom teeth removal in Ventura is recommended when the clinical picture supports it, not when the imaging shows impaction and the path of least resistance is extraction.

FAQs

Can an impacted wisdom tooth fix itself or erupt properly as I get older?

No. An impacted wisdom tooth that hasn't erupted by the early twenties will not erupt later. The jaw has reached its adult size and the position of the tooth is fixed. What changes over time is the degree of root development and the density of surrounding bone, both of which make eventual removal more complex.

How do I know if my impacted wisdom tooth is causing problems?

Symptoms, pain, swelling, recurring infections in the back of the jaw, difficulty opening fully, are one indicator. But many impactions cause clinical damage without significant symptoms, particularly damage to adjacent teeth and bone loss, which are detectable on X-ray before they're felt.

Can I keep my impacted wisdom teeth if they're not bothering me?

Possibly, depending on the specific impact. The answer depends on how the tooth is positioned, whether it's pressing on adjacent structures, whether cyst formation is occurring, and whether it's been stable on sequential imaging.

Is wisdom teeth removal in Ventura harder for older patients?

Generally yes. Roots are more fully developed, surrounding bone is denser, and healing is slower in older patients. The procedure is still commonly performed and routinely successful, it just involves more surgical manipulation and a longer recovery than the same procedure would in someone in their late teens.