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14 Cards in this Set
- Front
- Back
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What three steps should be accomplished, when making a final impression?
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1. Prepare the tooth
2. Make the provisional (to check for errors) 3. Make final impression |
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What is the purpose of the final impression?
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Capture an EXACT replica of the abutment
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What items are sent to the lab with the final impression?
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1. mastercast and die system
2. wax pattern for the definitive restoration 3. casting |
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What is done to prevent impression material from engaging the interproximal area?
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Interproximal relief/block out for incisor region
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How long should you wait for tray adhesive to set?
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at least 10 minutes
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What impression material supports the light body material within the custom tray?
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Medium or heavy body PVS
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Where is medium/heavy body material dispensed?
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In the custom tray
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Where is the light body material dispensed?
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around the prepared tooth
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What point do you begin to express the light body material on the tooth?
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Begin at the most distal aspect of the tooth and keep the tip in contact with the tooth structure
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Should you push or pull the light body around the abutment?
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Push
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What is the working time of medium body PVS?
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2.5 minutes
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How long should you hold the custom impression tray in the patient's mouth?
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5 minutes or until the material reaches a final set
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Is a slight void on the axial or incisal surface of your abutment impression acceptable?
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Yes
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Is a slight void on the finish line surface of your abutment impression acceptable?
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No
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