Overview: This article provides instructions for using a reduction coping to adjust a single crown preparation after a final scan has been submitted.
Understanding reduction copings
A reduction coping is used on a single crown preparation to create additional space for the final restoration without requiring a new scan. Use a reduction coping when a small area of the tooth needs adjustment to achieve better aesthetics, function, or adequate material thickness.
Safety and warnings
Review these safety requirements before using the reduction coping:
Single Use Only: This product is intended for single use. Do not reuse the reduction coping, as it increases the risk of infection, device failure, or swallowing/inhalation of components.
No Thermal Treatment: Do not expose the reduction coping to steam or dry heat sterilization.
Allergy Warning: Do not use if the patient has a known allergy or hypersensitivity to the materials.
Margin Integrity: Do not make adjustments to the margins of the preparation. Altering the margin can negatively affect the fit and seal of the final restoration.
Apply the reduction coping
Follow these steps to adjust the tooth preparation:
Prepare the patient: Administer an anesthetic if necessary.
Position the coping: Place the reduction coping on the tooth that requires adjustment.
Identify the area: Locate the tooth structure protruding through the opening of the reduction coping.
Perform the adjustment: Use a dental bur to reduce the protruding area. Use a straight bur in a single plane cut.
Check for edges: Ensure there are no sharp edges or ledges that might prevent the final restoration from seating.
Complete the process: Remove the reduction coping and cement the final restoration.
Disposal
Dispose of the reduction coping after a single use in compliance with your national waste disposal regulations.
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