DMD DMD Oral Surgery and Periodontics

Question 1

Which suture technique is most commonly used to close a simple extraction socket?

Accepted Answer

Figure-eight suture

Answer

The figure-eight suture is the most common technique for closing an extraction socket as it approximates the buccal and lingual flaps securely.

Question 2

What is the primary indication for performing an alveoloplasty?

Accepted Answer

To smooth sharp bony edges after extraction to facilitate prosthetic fit

Answer

Alveoloplasty is performed to recontour and smooth alveolar bone ridges to optimize denture adaptation and patient comfort.

Question 3

Which classification system is used to describe the position of impacted mandibular third molars?

Accepted Answer

Pell and Gregory classification

Answer

The Pell and Gregory classification system categorizes impacted mandibular third molars based on their relationship to the ramus and the occlusal plane.

Question 4

The 'dry socket' (alveolar osteitis) most commonly occurs within how many days after extraction?

Accepted Answer

3–5 days

Answer

Alveolar osteitis typically presents 3–5 days post-extraction when the blood clot is prematurely lost or dissolves.

Question 5

Which nerve block is used to anesthetize the mandibular premolars and anterior teeth without anesthetizing the lower lip?

Accepted Answer

Mental nerve block

Answer

The mental nerve block anesthetizes the lower premolars and anterior teeth through the mental foramen without causing lower lip numbness from lingual/inferior alveolar involvement.

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DMD DMD Oral Surgery and Periodontics