Why Do Wisdom Teeth Grow Sideways?

March 24, 2025

Filed under: Other Topics — Dr. Steve Koo @ 7:42 pm
X-ray with sideways wisdom tooth circled in red

Under optimal conditions, human teeth emerge vertically from the gumline. When they are properly aligned, they provide a functional bite and contribute to good oral and overall health. Unfortunately, this ideal scenario does not always occur. Some teeth, particularly wisdom teeth (the third molars at the back of the mouth), may grow at incorrect angles. Why do they sometimes grow sideways, and what implications does this have for oral health? This blog post provides an explanation.

Why Do They Grow Sideways?

The explanation for why wisdom teeth sometimes grow sideways is simple. They may just not have enough room to properly erupt from the gumline. These teeth might attempt to fit into the available space at any possible angle, resulting in tilted or, in some cases, completely horizontal positioning. Frequently, these teeth are fully or partially impacted, meaning that they stay beneath the gumline.

Problems Caused by Sideways Wisdom Teeth

Improperly angled wisdom teeth can lead to several issues, including:

  • Pain. Horizontally impacted wisdom teeth can exert pressure on neighboring teeth, causing pain and discomfort.
  • Increased risk of infection. Partially erupted, angled wisdom teeth are often difficult to clean, thereby increasing the risk of cavities, decay, bad breath, and infections.
  • Gum inflammation and gum disease. Impacted wisdom teeth can collect bacteria around them and contribute to pericoronitis (gum tissue inflammation) and gum disease (a serious infection of the tissue around the teeth).
  • Cysts. Impacted wisdom teeth may result in cyst formation. While some cysts are harmless, others can potentially cause pain, inflammation, and damage to the jawbone.

What Can You Do?

To prevent or manage problems caused by sideways wisdom teeth, consider the following steps:

  • Visit your dentist for regular checkups. Routine exams allow your dentist to monitor your wisdom teeth and determine if extraction is necessary.
  • Seek treatment at the first sign of a problem. If you experience pain or other symptoms near your wisdom teeth, consult your dentist or oral surgeon promptly. They may be able to provide treatment before the problem worsens.
  • Maintain excellent oral hygiene habits. For partially impacted wisdom teeth, diligent cleaning can help avoid complications like decay and infections. Be sure to brush twice a day and floss at least once a day. If it is difficult for you to reach that part of your mouth with floss, you might try a water flosser instead.

Sideways wisdom teeth can pose risks to your oral health! Consult with your dentist to find out whether removal of your third molars is advisable in your unique case.

Meet the Practice

Under the leadership of Drs. Steve Koo, Thomas Weil, and William Shepard, our oral surgery team provides wisdom tooth extractions and a range of other services. If you have questions about your third molars or believe it is time to get them removed, we would be pleased to consult with you. Contact our Houston office at 713-783-5560.

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