What are the consequences of a severed tooth nerve?

Jun 26, 2024 Source: Cainiu Health
Disease description:

I was recently diagnosed with pulpitis, and the dental nerve has already been severed. May I ask what are the consequences of a severed dental nerve?

Doctor's answer (1)
Dr. Guo Huijie
Cutting the dental nerve can lead to a series of consequences, including but not limited to the following: 1. **Loss of Tooth Sensation**: After the dental nerve is severed, the tooth will no longer respond normally to stimuli such as hot, cold, sour, or sweet, resulting in reduced tooth sensitivity. 2. **Increased Brittleness and Susceptibility to Damage**: With the dental nerve severed and blood vessels removed from the pulp, the enamel and dentin will lose their blood-supplied nutrients, making the tooth brittle and prone to cracking or breaking. 3. **Tooth Discoloration**: Deprived of nutrients, the dentin inside the tooth may gradually turn yellow or even dark, affecting the tooth's aesthetic appearance. 4. **Reduced Chewing Efficiency**: A severed dental nerve may cause damage to surrounding tissues, impairing normal chewing function. Improper chewing may further exacerbate tooth damage. 5. **Increased Risk of Infection**: A severed dental nerve may create a pathway for bacterial invasion, leading to infections such as periodontitis or pulpitis, which can further compromise oral health. Therefore, potential consequences must be carefully considered when planning related treatments.