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19.    When a tooth is prepared for a restoration, “tooth dust” may be formed which is part of the smear layer. The clinician should not disrupt the smear layer because it protects the dentinal tubules.a.    Both statements are trueb.    Both statements are falsec.    1st statement is true; 2nd statement is falsed.    1st statement is false; 2nd statement is true

In order for an implant to be successful, the implant body must fuse into the bone through a process called:

What are denture teeth usually made of?

Patients who wear partial dentures are more prone to decay  because the metal framework is porous and harbors more bacteria. 

A failing implant is usually due to bacteria extending into bone causing bone loss. The BEST indicator of a failing implant is:

Match the appropriate abrasive with the given dental material

All-ceramic restorations can be used for which of the following indirect dental restoratives? 1) Inlays 2) Onlays 3) Crowns 4) Veneers

Looking at the urea test, did the pH change?

To close an expansionary gap, the Fed ________ interest rates which ________ planned aggregate spending and ________ short-run equilibrium output.

Based on the diagram below, if potential output equals 8,000, and the real interest rate is 6%, then there is ________ gap and the Fed must ________ the real interest rate so that output will equal potential output.