What happens when half of a tooth is gone and half is left?

Half of the tooth is gone and half of the tooth is left, which may be caused by caries, tooth splitting, etc. It is generally considered that it can be treated by filling or restoration, etc.
1. caries: it is a disease caused by bacterial infection and other progressive destruction of dental hard tissues, untimely treatment caused by pulpitis, periapical periodontitis and other diseases, resulting in fragile enamel, prone to rupture of the phenomenon. If it is shallow caries, you can choose to fill the tooth or do inlay repair; if it is deep caries, you need to do root canal treatment, and then crown repair.
2. Tooth splitting: there are many reasons for tooth splitting, which may be caused by eating hard food, resulting in damage to the tooth body and causing fracture. If the root of the tooth does not show symptoms of damage, you can carry out root canal treatment, and then do crown restoration way of treatment.
Half of the tooth is gone, and half of it is left, it is recommended to go to the dentistry examination in time to diagnose the cause of the disease, targeted treatment, so as not to delay the condition.