Decayed tooth, also known as a rotten tooth, is a dental condition where the tooth becomes infected and decayed, leading to a range of symptoms and potential complications. The most common cause of a rotten tooth is poor dental hygiene, which can lead to the buildup of bacteria and plaque on the teeth.

Tooth sensitivity can be caused by a variety of factors, and it is a common dental problem experienced by many people.

Bad breath, also known as halitosis, is a common condition that can be caused by various factors, including oral hygiene, diet, lifestyle habits, and underlying medical conditions.