Why do you need to remove wisdom teeth?

May 13, 2023 Source: Cainiu Health

Dr. Zhang Liwen

Introduction

Under normal circumstances, wisdom teeth are a genetic remnant of human evolution and typically begin to grow between the ages of 18 and 25. Reasons for removing wisdom teeth generally include crowding, incomplete eruption, or abnormal positioning. Because wisdom teeth emerge late, other teeth have already occupied space in the dental arch, so wisdom teeth may exert pressure on surrounding teeth, leading to crowding, misalignment, or tilting of the teeth.

Generally, wisdom teeth are a hereditary remnant of human evolution and typically begin to grow between the ages of 18 and 25. Reasons for removing wisdom teeth usually include overcrowding, incomplete eruption, and abnormal positioning. A detailed analysis is as follows:

1. Overcrowding caused by wisdom teeth

Since wisdom teeth emerge later in life, other teeth have already occupied space within the dental arch. As a result, wisdom teeth may exert pressure on surrounding teeth, causing crowding, misalignment, or tilting. This can also enlarge gaps between teeth, making it easier for bacteria to accumulate and increasing the risk of cavities or periodontal disease.

2. Incomplete eruption of wisdom teeth

Wisdom teeth may only partially erupt—a condition known as partial impaction—which can lead to gum swelling, pain, and increased susceptibility to infection, and may even result in cyst formation. If a cyst develops beneath the gums, it may damage adjacent teeth and surrounding bone structures.

3. Abnormal positioning of wisdom teeth

Sometimes wisdom teeth grow in abnormal positions. For example, if a wisdom tooth grows inward, it may affect facial nerves and bite alignment. If it grows downward, it may wear against other teeth and gums. In such cases, removal of the wisdom tooth becomes necessary.

Besides the above factors, oral hygiene is another consideration. If you experience pain or discomfort from your wisdom teeth, it is advisable to consult a dentist promptly for evaluation and appropriate treatment.

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What should I do for swollen and painful gums, and teeth that hurt even when touched?

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What can I eat on the third day after wisdom tooth extraction?

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