Severe tooth decay - when the damage to the tooth is so severe that it cannot perform its daily functions like chewing food, for example. Such damage can occur with severe injuries or severe tooth decay. In any case, before deciding to remove a tooth, you should visit a dentist to check if there is a chance that the tooth can be restored in any way. If a tooth is affected by an infection or inflammation, then sometimes the inflammatory processes in question can spread throughout the oral cavity, becoming a threat to your oral health. In general, such infections are treated with medication, but in some cases, even the most serious antibiotics are not able to control them, measures such as extracting the tooth need to be taken.