ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Impacted incisors. Coloured dental X-ray of impacted incisors (yellow). Impacted teeth are those that fail to erupt fully because they are blocked by bone, soft tissue or other teeth. In this case, the teeth have failed to descend from the upper jaw. Impacted teeth may need to be surgically removed.
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