How to take an example about dental instruments guide?

Cementing powder - for the use of adhesive powder and dental powder for oral medicine.
Curette -- with two ends, size and size, used for tooth decay, a damaged or damaged tissue, and the soft scaling between teeth and teeth can be scratched.
If it is not the scalpel, if it is, it can remove necrotic tissue in the mouth and help the children with the uncuteness of their teeth.
A syringe -- a syringe of anesthetic.etc.