On the one hand, it is the nerve condition inside the teeth, and whether the teeth themselves are healthy (judging from the density).
On the other hand, whether there is inflammation around the root and alveolar bone is judged.
Oral ct is the most basic clinical examination method, which shows the dental condition relatively comprehensively.
The naked eye observation is not enough to discover the inner condition of teeth. Small tooth slice is generally aimed at the enlargement of a tooth, and it is also a common clinical examination method.