Dental Advanced Topics 2

Question 1

Which guided tissue regeneration membrane is resorbable and does not require a second surgery for removal?

Accepted Answer

Collagen membrane

Answer

Collagen membranes are resorbable and are broken down by the body, eliminating the need for a removal procedure.

Question 2

In endodontics, what is the primary purpose of using sodium hypochlorite during root canal therapy?

Accepted Answer

Tissue dissolution and disinfection

Answer

Sodium hypochlorite dissolves organic tissue and disinfects the canal system during instrumentation.

Question 3

Which classification describes a furcation defect with through-and-through bone loss between roots?

Accepted Answer

Glickman Grade III

Answer

Glickman Grade III furcation involvement is a complete through-and-through bone loss between roots.

Question 4

What is the minimum recommended residual ridge height generally needed for standard implant placement without augmentation in the posterior mandible?

Accepted Answer

About 10 mm above the inferior alveolar nerve

Answer

Roughly 10 mm of bone height allows a standard implant with a safe margin above the inferior alveolar canal.

Question 5

Which material is most commonly used as an apical barrier in apexification of an immature permanent tooth?

Accepted Answer

Mineral trioxide aggregate (MTA)

Answer

MTA provides a biocompatible apical barrier promoting hard tissue formation in immature teeth.

Dental Practice Test