Should Wisdom Teeth Be Removed? Information Summary
Wisdom teeth are the last molars to erupt. They often become impacted or tilted due to lack of space. Whether removal is necessary depends on their eruption direction, ease of cleaning, and whether they cause problems. The following is neutral information; actual decisions should be made by a dentist.
Common types of impacted wisdom teeth
Wisdom teeth may grow in different directions due to insufficient space, causing impaction. Imaging can help determine the type:
- Mesioangular impaction: tilted forward against the adjacent molar, common.
- Horizontal impaction: grows sideways, difficult to erupt naturally.
- Vertical impaction: normal direction but partially covered by bone or gum.
- Complete impaction: fully embedded in the alveolar bone or gum.
Assessment for extraction and post-extraction warning signs
Whether to extract should be assessed by a dentist based on imaging and symptoms. Common considerations include ease of cleaning, recurrent inflammation, or impact on adjacent teeth. After extraction, if there is persistent worsening pain, significant swelling, fever, or abnormal bleeding, seek follow-up promptly. Severe pain occurring a few days after extraction with an empty socket may indicate dry socket, requiring dental treatment. This site only compiles public information and is not medical advice.
Frequently Asked Questions
Do wisdom teeth always need to be removed?
Not necessarily. If they erupt normally, can be cleaned well, and are asymptomatic, they can be monitored regularly. If impacted, repeatedly inflamed, or affecting adjacent teeth, a dentist may recommend removal. Assessment should be based on imaging and clinical evaluation by a dentist.
Is wisdom tooth extraction covered by National Health Insurance?
Wisdom tooth extraction is mostly covered by National Health Insurance; complex impaction or special procedures may have out-of-pocket costs, subject to clinic and NHI regulations.
What should I pay attention to after wisdom tooth extraction?
Generally, bite on gauze to stop bleeding, apply ice packs and take medication as directed, avoid vigorous rinsing, and follow the dentist's instructions for care and follow-up.
What happens if impacted wisdom teeth are not treated?
It may increase the risk of cavities, gum inflammation, or damage to adjacent teeth. Whether treatment is needed should be assessed by a dentist. This site only compiles public information and is not medical advice.
Can wisdom tooth extraction damage nerves or make the face smaller (slim the face)?
Lower wisdom teeth are often close to the inferior alveolar nerve; in rare cases, extraction may cause temporary or, very rarely, persistent numbness of the lip and chin. Therefore, dentists typically assess the relationship between the tooth root and nerve using X-rays or CBCT and explain the risks—this is a key part of pre-extraction evaluation. As for 'wisdom tooth extraction slimming the face or changing facial shape,' there is no reliable evidence—facial shape is primarily determined by bone structure and masticatory muscles, and removing wisdom teeth does not alter the jawbone contour. Temporary swelling reduction after extraction is sometimes mistaken for 'slimming.' Whether extraction is necessary and risk assessment should be determined by a dentist based on individual circumstances. This site only compiles public information and is not medical advice.
Official sources：中央健康保險署、食品藥物管理署、衛生福利部
This page is a neutral information compilation for reference only, not medical advice, and does not constitute any treatment commitment.