Pulp Necrosis: What Causes it | 合法醫療器材資訊網

2021年4月12日—InthisArticle...Pulpnecrosisisanirreversibleconditionthatoccurswhenthesoftpulpinsideofatoothdies.Thisisthelaststageofa ...

Pulp necrosis is an irreversible condition that occurs when the soft pulp inside of a tooth dies. This is the last stage of a disease called pulpitis[1].

There is a pulp chamber inside of each of your teeth. The chamber holds blood vessels and nerves that are inside small pieces of flesh. This flesh, or pulp, is protected by the enamel[2] of the tooth. When your tooth is damaged by decay or injury, the pulp can get infected and eventually die off. 

Your teeth have three layers, the enamel, the dentin, and the pulp. The pulp is the innermost layer. It has to have a continuous supply of blood. If something interferes with the blood supply to the tooth, the two main symptoms you will notice are pain and discoloration.

Pain. Discomfort[3] is often the first symptom of a necrotic tooth. The pain can range from mild to extreme. Its caused by the infection and swelling inside of your tooth. This puts pressure on the nerve at the base of the tooth.

Discoloration[4]. ...