INBDE (Integrated National Board Dental Examination) Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Ace your INBDE with our comprehensive practice exam. Featuring detailed explanations, interactive flashcards, and a wide array of multiple-choice questions designed to mirror the real test. Get ready to surpass your expectations!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

When soldering a fixed partial denture, what is the effect of flux when heated on the area to be soldered?

To strengthen the metal surface
To remove oxides from the metal surface
To clean the metal surface
To coat the metal surface

The correct answer is: To remove oxides from the metal surface

When soldering a fixed partial denture, the flux plays a vital role in the process. When heated, the flux's primary function is to remove oxides from the metal surface. This is essential because oxides on the metal surface can prevent the solder from properly bonding to the metal. By cleaning the metal surface and removing these oxides, the flux ensures a strong bond between the solder and the metal, promoting successful soldering of the fixed partial denture. Options A, C, and D are incorrect because strengthening the metal surface, cleaning the metal surface, and coating the metal surface are not the primary functions of flux when heated in the context of soldering a fixed partial denture.