INBDE (Integrated National Board Dental Examination) Practice Exam

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Prepare for the INBDE (Integrated National Board Dental Examination) exam. Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

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To prevent resorption from internal bleaching, a barrier between the root filling material and bleaching material should be how thick?

The correct answer is: 4mm

To prevent resorption from internal bleaching, a barrier between the root filling material and the bleaching material should be 4mm thick. This thickness helps to create a sufficient protective layer to prevent the bleach from coming into contact with the surrounding tissues and causing any potential harm. Options A, B, and C are not ideal as they do not provide the same level of protection as a 4mm barrier would.