What diagnostic instruments of a dental assistant use?

For schools that are accredited to ADA, and schools that want to attend the DANB national exam, it could take a year. It will take less than a year for those who are not recognized.
Here's the dentist's task:
Prepare the patient, disinfect or sterilize the instrument, set the instrument tray, prepare the material, or assist the dentist in the dental process.
Expose dental diagnostic x-rays.
Record patient records for treatment information.
Provide postoperative guidance provided by the dentist.
Assist dental care or dental emergency.
Records and records the patient's medical and dental history and vital signs.
Instruct client's oral hygiene and platelet control procedures.
Order and monitor dental supplies and equipment inventory.
Clean and polish removable electrical appliances.
Initial impressions of type conversion and occlusion registration of the research types are carried out.