According to the relevant policies, only a part can be guaranteed: tooth filling (tooth filling) and root canal treatment; Dental surgery tooth extraction, pericoronitis local irrigation and medication, oral and maxillofacial soft tissue and bone trauma debridement and suture surgery, oral mucosa and jaw disease surgery, oral and maxillofacial nerve disease surgery, temporomandibular joint surgery and so on can be reimbursed. But it does not include scaling (tooth washing), oral restoration (denture installation), orthodontic treatment and tooth bleaching.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.