FREE DDS Doctor of Dental Surgery MCQ Questions and Answers

Question 1

One of her close relatives passed away from mouth cancer, and the 32-year-old woman does not smoke or consume alcohol.
She has asked you for guidance on preventing oral cancer.
Which of the following is most likely to lower her chances of acquiring oral carcinoma?

Accepted Answer

Eat at least five portions of fruit or vegetables daily.

Answer

Avoid spicy food.

Answer

Take a multi-vitamin tablet daily.

Answer

Maintain excellent oral hygiene.

Question 2

A lady, 53, has been identified as having "burning mouth syndrome." In this condition, what area of the mouth is most usually affected?

Accepted Answer

Tongue

Answer

Lips

Answer

Hard palate

Answer

Soft palate

Question 3

A 39-year-old man with severe anxiety goes to the dentist for treatment. His doctor has suggested medicine to help him control his generalized anxiety problem in the long run. Which of the following medicines has his doctor most likely given him?

Accepted Answer

Fluoxetine

Answer

Diazepam

Answer

Clozapine

Answer

Amitriptyline

Question 4

In guided tissue regeneration, which of the following cell populations is the main progenitor for a new connective tissue attachment?

Accepted Answer

Periodontal ligament fibroblasts

Answer

Gingival fibroblasts

Answer

Cell rests of Malassez

Answer

Alveolar bone stem cells

Question 5

A 25-year-old man is attacked. He has a fracture of the left zygomatic arch and will need surgery. Which of the following muscles is attached to the superior edge of the zygomatic bone's arch?

Accepted Answer

Temporalis

Answer

Masseter

Answer

Medial pterygoid

Answer

Lateral pterygoid

Question 6

You are creating an occlusal rest seat on the left first premolar of the mandible for a partial cobalt chrome denture. Which of the following best defines the ideal depth at which the marginal ridge should be decreased?

Accepted Answer

1.5 mm

Answer

2.0 mm

Answer

0.5 mm

Answer

1.0 mm

Question 7

When you work in dental public health, you are asked to help plan a study to find out what benefits fluoridating the water supply has for the people in the area. Which of the following research designs, if any, is the most appropriate?

Accepted Answer

Randomized controlled trial

Answer

Cohort study

Answer

Cross-sectional study

Answer

Case-control study

One of her close relatives passed away from mouth cancer, and the 32-year-old woman does not smoke or consume alcohol.She has asked you for guidance on preventing oral cancer.Which of the following is most likely to lower her chances of acquiring oral carcinoma?

One of her close relatives passed away from mouth cancer, and the 32-year-old woman does not smoke or consume alcohol.
She has asked you for guidance on preventing oral cancer.
Which of the following is most likely to lower her chances of acquiring oral carcinoma?