An interim, fixed prosthesis using natural tooth crown as a pontic
DIRECTCROWN TEMPORARY CROWN TECHNIQUE. TOOTH HAS BEEN PREPARED.
-
Upload
lawson-render -
Category
Documents
-
view
234 -
download
0
Transcript of DIRECTCROWN TEMPORARY CROWN TECHNIQUE. TOOTH HAS BEEN PREPARED.
DIRECTCROWNDIRECTCROWN™™
TEMPORARYTEMPORARYCROWNCROWN
TECHNIQUETECHNIQUE
TOOTH HAS BEEN TOOTH HAS BEEN PREPAREDPREPARED
SELECT THE TEMPORARY SELECT THE TEMPORARY CROWN FOR PLACEMENTCROWN FOR PLACEMENT
PICK OUT SHELL PICK OUT SHELL WHICH FITS EASILY WHICH FITS EASILY
OVER TOOTH OVER TOOTH
Concavity of medialConcavity of medial
and distal fits the and distal fits the
convexity of adjacentconvexity of adjacent
teeth teeth
ACRYLIC UERS – SKIP ACRYLIC UERS – SKIP TO SLIDE 8. BIS-ACRYL TO SLIDE 8. BIS-ACRYL
USERS, PLEASE USERS, PLEASE FOLLOWFOLLOW
SLIDES 5 TO 7SLIDES 5 TO 7 Dispense a few drops Dispense a few drops
of primer into of primer into
mixing bowlmixing bowl
BIS-ACRYL – SLIDE 6BIS-ACRYL – SLIDE 6 Coat theCoat the
interior wall of shell usinginterior wall of shell usingapplicator brush; light cureapplicator brush; light curefor 30 secondsfor 30 seconds
Apply Bis-Acryl material Apply Bis-Acryl material into the shellinto the shell
Seat onto the preparedSeat onto the preparedtooth and have patient tooth and have patient close teeth gently togetherclose teeth gently togetherto assure alignmentto assure alignment
BIS-ACRYL – SLIDE 7BIS-ACRYL – SLIDE 7 Apply Bis-Acryl material into the shellApply Bis-Acryl material into the shell Seat onto the preparedSeat onto the prepared
tooth and have patient tooth and have patient bite gently togetherbite gently togetherto assure alignmentto assure alignment
Once proper occlusion,Once proper occlusion,allow the Bis-Acryl materialallow the Bis-Acryl materialto set followingto set followingmanufacturer’s guidelinesmanufacturer’s guidelines
Proceed to the Proceed to the finishing stepsfinishing steps
ACRYLIC USERS: MIX THE ACRYLIC USERS: MIX THE LIQUID AND POWDERLIQUID AND POWDER
Mix liquid and Mix liquid and powder using powder using mixing dishmixing dish
OROR
Use our unit-Use our unit-dose packdose pack
DISPENSE RESIN INTO DISPENSE RESIN INTO SHELLSHELL
From mixing bowl or unit-dose pack From mixing bowl or unit-dose pack dispense resin into shelldispense resin into shell
PLACE OVER TOOTHPLACE OVER TOOTH
PLACE CROWN OVER PREP PLACE CROWN OVER PREP AND GENTLY PUSH DOWN AND GENTLY PUSH DOWN
-- HAVE PATIENT BITE -- HAVE PATIENT BITE LIGHTLYLIGHTLY
Take instrument and pull excess Take instrument and pull excess material awaymaterial away
LIFT OFF AND ON TO LIFT OFF AND ON TO AVOID LOCK-ONAVOID LOCK-ON
Allow a little time for resin Allow a little time for resin to set.to set.
As it gets tacky, begin to As it gets tacky, begin to lift lift
on and off to avoid lock- on.on and off to avoid lock- on.
Allow to harden during the next Allow to harden during the next minute for fast cure or a few minute for fast cure or a few minutes for slower cure productminutes for slower cure product
Lock on can occur due to undercuts Lock on can occur due to undercuts therefore lifting on and off is therefore lifting on and off is importantimportant
AFTER RESIN HAS SET, AFTER RESIN HAS SET, TAKE CARBON PAPER TAKE CARBON PAPER
AND HAVE PATIENT BITE AND HAVE PATIENT BITE DOWNDOWN
ADJUST THE ADJUST THE OCCLUSIONOCCLUSION
LIFT OFF CROWN AND LIFT OFF CROWN AND NOTICE THE GOOD NOTICE THE GOOD
MARGINSMARGINS
NOW MARK THE MARGINS NOW MARK THE MARGINS WITH A PENCILWITH A PENCIL
MARK THE ADJACENT MARK THE ADJACENT CONTACTSCONTACTS
AT THIS POINT, YOU CAN AT THIS POINT, YOU CAN GIVE CROWN TO THE GIVE CROWN TO THE ASSISTANT TO TRIM ASSISTANT TO TRIM STARTING FROM THE STARTING FROM THE
CORNERSCORNERS
TRIM AND TRY INTRIM AND TRY IN
CHECK THE MARGINS CHECK THE MARGINS AND PLACE CROWNAND PLACE CROWN
TEMPORARY PLACEMENT TEMPORARY PLACEMENT TAKES JUST MINUTESTAKES JUST MINUTES
Temporaries don’t come off between Temporaries don’t come off between appointmentsappointments
Adjacent teeth are held in place, Adjacent teeth are held in place, reducing adjustments of permanent reducing adjustments of permanent crowncrown
No impressions needed to place No impressions needed to place temporarytemporary
Saves timeSaves time