智慧齒又稱為第三只大牙。智慧齒阻生會導致清潔困難，而且有機會引致牙肉發炎、牙齦腫痛、蛀牙等問題。
Wisdom tooth is also known as the third molar. It is difficult to keep wisdom teeth clean. Food debris trapped around wisdom teeth due to unfavorable teeth position or impaction of wisdom teeth will cause problems such as inflammation, gum swelling, tooth decay and pain.
