Dental Advanced Topics 5

Question 1

Which biologic agent is commonly used to promote periodontal regeneration by mimicking developmental proteins?

Accepted Answer

Enamel matrix derivative (Emdogain)

Answer

Sodium fluoride varnish

Answer

Chlorhexidine gel

Answer

Calcium hydroxide paste

Question 2

What does the term 'guided bone regeneration (GBR)' primarily aim to achieve?

Accepted Answer

Increase bone volume using a barrier membrane

Answer

Whiten enamel

Answer

Realign the bite

Answer

Remove calculus

Question 3

In implant prosthetics, what is a common cause of screw loosening in a screw-retained crown?

Accepted Answer

Inadequate preload or occlusal overload

Answer

Excess saliva

Answer

Use of titanium

Answer

Proper torque application

Question 4

Which advanced imaging finding would most strongly contraindicate immediate implant placement?

Accepted Answer

Active periapical infection at the site

Answer

Adequate bone width

Answer

Healed extraction socket

Answer

Normal sinus anatomy

Question 5

What is the main goal of crown lengthening surgery?

Accepted Answer

Expose more tooth structure and restore biologic width

Answer

Whiten the crown

Answer

Close a diastema

Answer

Reduce tooth mobility directly

Question 6

Which sedation level allows the patient to respond purposefully to verbal commands while relaxed?

Accepted Answer

Moderate (conscious) sedation

Answer

General anesthesia

Answer

Deep sedation only

Answer

No sedation

Question 7

What is the primary reason for using a rubber dam during advanced endodontic procedures?

Accepted Answer

Isolation and prevention of contamination or aspiration

Answer

Whitening the tooth

Answer

Improving anesthesia

Answer

Cooling the handpiece