Term
|
Definition
| Select and prepare suitable tray. Use rigid trays of sufficient size to provide at least a 2- to 3-mm thickness of impression material. Dual-arch trays may be used to record the opposing dentition and bite registration of the two arches. |
|
|
Term
|
Definition
| Brush thin line of tray adhesive onto the rigid tray following manufacturer's instructions. |
|
|
Term
|
Definition
| Raise the release leververtically upward on the cartridge dispensing gun, while simutaniously pulling the plunger all the way back in the dispenser handle. |
|
|
Term
|
Definition
| Load the cartridge by opening the cartridge lock using the top clasp. orient and insert the cartridge with notches aligned as necessary. close the top clasp to lock the cartridge into the dispenser gun. |
|
|
Term
|
Definition
| Remove the cartridge cap by turning it 90 degrees in the counterclockwise direction. The cap can be replace on the cartridge when storing after initial use, or used mixing tip can be left in place until the next use after disifection to serve as a self-sealing cap. |
|
|
Term
|
Definition
| Dispence a small amount of base and catalyst material onto a 2x2 gauze square before installing the mix tip to ensure an even flow from the cartridge. Use gentle pressure. be sure a mixed material plug doesn not exist. If a plug exists, clear it away with an instrument. Wipe away excess material from cartridge carefully so the base and acatalyst do not cross-contaminate each other and cause obstruction of the nozzle. |
|
|
Term
|
Definition
| Install a mixing tip in both Light-body and heavy-body cartridge by lining up the notch on the outside rim of the mixing tip with the notch on the cartridge flange. Ensurethe holes are aligned properly. Turn the tip to align it in the cap. |
|
|
Term
|
Definition
| When the notches are aligned, turn the mixing cap 90 degrees in the clockwisedirection to lock it in place. Attach the intraoral tip to the end of the light-body mixing tip for direct intraoral ayringing around the gingival sulcus. |
|
|
Term
|
Definition
| Clean the tooth with air/water spray. Remove excess water with suction. Do not desiccate or over dry the tooth. |
|
|
Term
|
Definition
| The assistant should pace the dispensing gun with the wash material and intraloral tip to the dentist and recive the cotton rolls that were used to keep working area dry. |
|
|
Term
|
Definition
| The assistant dispenses tray material into the try, ensuring that the least amount of air has been incorporated into the material. For best results the dispensing tip should be submered in the impression material during extrusion to prevent introducing air bubbles into the mix. The tray must be loaded within 35 seconds from the time of first syringing the wash material. |
|
|
Term
|
Definition
| At the same time as the assistant is loading the tray, the dentist injects syringe material into any exizting anatomy and continue syringing around the preperation until it is completely covered with the syringe material. |
|
|
Term
|
Definition
| The assistant passes the loaded tray to the dentist and recives the cartridge gun. the dentist or assistant holds the tray in position in the patients mouth until the material is firmly set. The minimum removal time for fast set is three minutes from start of the mix. Higher temperatures reduce work times and lower temperatures increase the time. |
|
|
Term
|
Definition
| The impression should be removed from the mouth by pulling slowly to break the seal, and then snapped out along the long axis of the tooth. The patients mouth should be rinsed uncold water and disinfected according to manufacturer's instructions. |
|
|
