Clean the teeth area, Etching tooth area, ?inse and drying the tooth area, ?mbrocate the bonding agent to the surface, after 20 seconds blow it thinner. Drip and drop of flowing resin( better use transparent color) on the adhesive area(the following resin will keep in the releasing conditon).Stick crystal accounterments on the tip of the needle-like structure by wax or plastics.Some enamel agents need be convered on both bottom and the edge of dentlal accountermetns by using small brush, then put the dental accounterments on tooth surface by slightly pressing it.Appropriately adjust the placement of the dental accounterments you have put on. In order to get the best conditon please remove the reduntant enamel agents and resin with small brushes( in order not to affect both the beauty and the cover of the whole accounterments, please not only ensure the edge of the whole accounterments but also not to cover the other surfaces), ?olymerize with light for 60s, ?heck if it meets the requirements, here, an probe will be used to explore around the dental accounterments.Remove the needle-like structures and polish the dental accounterments surface.