DIRECTCROWN TEMPORARY CROWN TECHNIQUE

TOOTH HAS BEEN PREPARED

SELECT THE TEMPORARY CROWN FOR PLACEMENT SELECT THE TEMPORARY CROWN FOR PLACEMENT

PICK OUT SHELL WHICH FITS EASILY OVER TOOTH Concavity of medial Concavity of medial and distal fits the convexity of adjacent teeth

ACRYLIC UERS – SKIP TO SLIDE 8. BIS-ACRYL USERS, PLEASE FOLLOW SLIDES 5 TO 7 Dispense a few drops Dispense a few drops of primer into mixing bowl

BIS-ACRYL – SLIDE 6 Coat the Coat the interior wall of shell using applicator brush; light cure for 30 seconds Apply Bis-Acryl material Apply Bis-Acryl material into the shell Seat onto the prepared Seat onto the prepared tooth and have patient close teeth gently together to assure alignment

BIS-ACRYL – SLIDE 7 Apply Bis-Acryl material into the shell Apply Bis-Acryl material into the shell Seat onto the prepared Seat onto the prepared tooth and have patient bite gently together to assure alignment Once proper occlusion, Once proper occlusion, allow the Bis-Acryl material to set following manufacturers guidelines Proceed to the Proceed to the finishing steps

ACRYLIC USERS: MIX THE LIQUID AND POWDER Mix liquid and powder using mixing dish OR OR Use our unit-dose pack

DISPENSE RESIN INTO SHELL From mixing bowl or unit-dose pack dispense resin into shell From mixing bowl or unit-dose pack dispense resin into shell

PLACE OVER TOOTH

PLACE CROWN OVER PREP AND GENTLY PUSH DOWN -- HAVE PATIENT BITE LIGHTLY Take instrument and pull excess material away Take instrument and pull excess material away

LIFT OFF AND ON TO AVOID LOCK-ON

Allow a little time for resin to set. As it gets tacky, begin to lift on and off to avoid lock- on. Allow to harden during the next minute for fast cure or a few minutes for slower cure product Allow to harden during the next minute for fast cure or a few minutes for slower cure product Lock on can occur due to undercuts therefore lifting on and off is important Lock on can occur due to undercuts therefore lifting on and off is important

AFTER RESIN HAS SET, TAKE CARBON PAPER AND HAVE PATIENT BITE DOWN

ADJUST THE OCCLUSION

LIFT OFF CROWN AND NOTICE THE GOOD MARGINS

NOW MARK THE MARGINS WITH A PENCIL

MARK THE ADJACENT CONTACTS

AT THIS POINT, YOU CAN GIVE CROWN TO THE ASSISTANT TO TRIM STARTING FROM THE CORNERS

TRIM AND TRY IN

CHECK THE MARGINS AND PLACE CROWN

TEMPORARY PLACEMENT TAKES JUST MINUTES Temporaries dont come off between appointments Temporaries dont come off between appointments Adjacent teeth are held in place, reducing adjustments of permanent crown Adjacent teeth are held in place, reducing adjustments of permanent crown No impressions needed to place temporary No impressions needed to place temporary Saves time Saves time