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

Expanded PTFE (e-PTFE)

Answer

Titanium mesh

Answer

Dense PTFE

Question 2

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

Accepted Answer

Tissue dissolution and disinfection

Answer

Sealing the apex

Answer

Lubricating files

Answer

Bleaching the crown

Question 3

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

Accepted Answer

Glickman Grade III

Answer

Glickman Grade I

Answer

Miller Class I recession

Answer

Kennedy Class II

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

About 2 mm

Answer

About 30 mm

Answer

About 5 mm with no safety margin

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

Amalgam

Answer

Composite resin

Answer

Zinc oxide eugenol

Question 6

During a sinus lift procedure, perforation of which membrane is the most common complication?

Accepted Answer

Schneiderian membrane

Answer

Tympanic membrane

Answer

Periodontal membrane

Answer

Basement membrane of skin

Question 7

What is the recommended management of a tooth with a vertical root fracture?

Accepted Answer

Extraction of the tooth or affected root

Answer

Root canal retreatment alone

Answer

Fluoride application

Answer

Observation only