Exam 17: Provisional Restorations

Accurate margins of an extracoronal provisional restoration are important because:

Care must be taken in the fabrication of provisionals by utilizing acrylic materials to "pump" them on and off the preparation after initial polymerization to:

Which of the following is the primary disadvantage of the use of acrylic provisional materials?

Which of the following is true of the direct technique for provisional coverage?

Which of the following is true of pre-formed polycarbonate provisional crowns?

Which of the following would not be a necessary function of a posterior provisional restoration?

An example of a procedure requiring an intracoronal provisional restoration would be:

A/An ___________________ provisional crown is crimped and contoured at the contact and margins with crimping and contouring pliers.

Zinc oxide provisionals should not be used if a permanent restoration is to be cemented with a __________ luting agent.

Pre-formed celluloid forms and polymer crowns are filled with:

A prepared tooth without occlusal/incisal and proximal contact may migrate laterally or occlusally/incisally within as soon as a few:

If an anterior tooth was fractured or badly decayed before the crown preparation process, the provisional placed would be:

Cement provisionals are most frequently fabricated with:

List and describe the four criteria for provisional coverage.

If a provisional crown comes off during a time that the dental office is closed, the patient can be instructed to replace it after cleaning the interior of the crown and placing a small amount of _________ into the crown.