16/08/2025
Impacted wisdom teeth are a common dental concern that many people face but often overlook until painful symptoms arise. When a wisdom tooth fails to emerge fully or grows at an odd angle, it becomes “impacted.” While it’s easy to think of wisdom teeth as an isolated issue, an impacted wisdom tooth can pose a serious risk to the neighboring second molar.
An impacted wisdom tooth sits too close to the adjacent molar and sometimes even presses against it. This constant contact can gradually erode the second molar’s root or enamel, opening the door for bacteria to invade and cause decay. Studies have shown that food and plaque can easily get trapped between an impacted wisdom tooth and the molar beside it, creating a hot spot for cavities and gum disease to develop. If left untreated, this silent damage can progress without obvious early symptoms, leading to tooth loss or the need for complex restorative work later on.
But tooth decay isn’t the only threat. The pressure and awkward positioning of an impacted tooth can lead to inflammation and infection in the surrounding gum tissue. This infection, called pericoronitis, often begins with swelling and pain around the partially erupted wisdom tooth. If bacteria spread deeper, they can affect the gum support and bone around the neighboring tooth, putting your oral health at further risk.
Another concern is the possibility of root resorption—a rare but serious condition where the pressure from the impacted wisdom tooth causes the root of the neighboring molar to break down and dissolve. When this happens, the second molar may eventually loosen or need extraction, particularly if the damage is severe and extends below the gum line.
Wisdom teeth aren’t just a personal issue; they can have broader implications. Untreated dental infections and the loss of molars due to impacted wisdom teeth can negatively affect chewing, nutrition, and overall well-being, especially in communities with limited access to dental care. Early removal or monitoring of impacted wisdom teeth is often recommended not only to prevent immediate pain, but also to protect the integrity of neighboring teeth and preserve long-term oral health.
The good news is that these dangers are preventable. Professional dental evaluation and timely intervention—whether that means extraction or careful monitoring—can stop damage before it starts.