Preliminary Steps
Assist in administration of the local anesthetic agent
Preliminary Steps
If an alginate impression is needed to fabricate the provisional coverage, the impression is obtained at this time. In addition, an alginate impression of the opposing arch is taken
Preliminary Steps
If a silicone two-step impression method is used, the first impression is obtained at this time
Preliminary Steps
If this procedure involves a tooth-colored restoration, the shade is selected at this time
Tooth Preparation
Throughout the preparation, maintain a clear operating field by using the HVE to retract the lips and tongue and to remove water and debris.
Tooth Preparation
The dentist uses diamond stones in the high-speed handpiece to remove all decay or fractured portions of the tooth.
Purpose: Diamond stones are used during crown preparation because they can rapidly remove tooth structure
Tooth Preparation
Assist in bur changes as necessary while the dentist reduces tooth bulk and completes the preparation using burs of different shapes
Tooth Preparation
When the preparation is complete, gingival retraction cord is placed
Tooth Preparation
Assist in readying the final impression material
Tooth Preparation
Before transferring the light-bodied material, transfer cotton pliers for the dentist to remove the gingival retraction cord.
Note: The dentist may want to rinse and dry the sulcus before applying the light-bodied material
Tooth Preparation
While the dentist is applying the light-bodied material, ready the tray with heavy-bodied material
Tooth Preparation
Have the air-water syringe available for the dentist to "blow" air around the preparation.
Purpose: This procedure thins out the material, allowing it to flow better within the sulcus and around the margins.
Tooth Preparation
Retrieve the light-bodied material syringe from the dentist and transfer the tray, ensuring that the dentist can grasp the handle and insert the tray properly.
Tooth Preparation
After the recommended time has passed for the material to set, the dentist will remove the tray
Tooth Preparation
The occlusal registration is obtained
Tooth Preparation
Provisional coverage is fabricated and is temporarily cemented to protect the prepared teeth
Tooth Preparation
The patient is scheduled for a cementation appointment and then is dismissed.
Note: Ensure that the laboratory has sufficient time to fabricate the crown before scheduling the patient for another appointment
Tooth Preparation
After the dentist writes the laboratory prescription, prepare the case and send it to the laboratory
Documentation
Document the procedure.