Dental Advanced Topics 4

Question 1

Which graft material is derived from a different species, such as bovine bone?

Accepted Answer

Xenograft

Answer

A xenograft is harvested from another species, commonly bovine or porcine sources.

Question 2

In orthodontics, what does a Class II Angle malocclusion describe?

Accepted Answer

Mandibular molar distal to maxillary molar

Answer

In Class II, the mandibular first molar sits distal to the maxillary first molar (retrognathic relationship).

Question 3

Which medication class is most associated with osteonecrosis of the jaw (MRONJ)?

Accepted Answer

Bisphosphonates

Answer

Bisphosphonates and antiresorptive drugs are strongly linked to medication-related osteonecrosis of the jaw.

Question 4

What is the primary indication for a connective tissue graft?

Accepted Answer

Root coverage of gingival recession

Answer

Connective tissue grafts are used to cover exposed roots and increase keratinized tissue.

Question 5

Which file system feature helps maintain the original canal anatomy in curved canals?

Accepted Answer

Nickel-titanium flexibility

Answer

Nickel-titanium rotary files are flexible and follow curved canals while reducing transportation.

Dental Practice Test