Third Molar Extractions
Many times, wisdom teeth — the third molars in the very back of your mouth — don't have room to grow properly and cause problems. Erupting wisdom teeth can grow at various angles in the jaw, sometimes even horizontally. Some wisdom teeth only partially emerge through the gums. Other times, they remain completely hidden. Wisdom teeth that aren't able to emerge normally become impacted, or trapped, within your jaw.
Wisdom teeth removal may be necessary — if:
Wisdom teeth partially emerge through the gums. This increases the chance of a bacterial infection called pericoronitis.
Unerupted wisdom teeth are expected to grow crooked and damage other teeth.
A fluid-filled sac (cyst) develops around an unerupted wisdom tooth, which can damage surrounding tissue or bone.