FREE DDS Doctor of Dental Surgery MCQ Questions and Answers
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?
The marginal ridge of the abutment tooth at the location of the rest seat must be decreased to 1.5 mm to allow sufficient metal bulk for the strength and stiffness of the rest and minor connection. Insufficient reduction of the marginal ridge is the most common error made in occlusal rest seat preparation.
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?
At least five servings of veggies and two servings of fruit each day are advised for excellent health and cancer prevention.
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?
Several anxiety disorders, such as panic disorder, social anxiety disorder, and obsessive-compulsive disorder, are frequently treated with fluoxetine.
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?
Randomized controlled trials (RCTs) are prospective studies regarding at how effective a new intervention or treatment is.
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?
The temporalis muscle joins above to the temporal fossa bone and fascia, superior to the zygomatic arch, and below to the coronoid process of the jaw and along the mandibular ramus. The temporalis muscles are principally responsible for closing the jaw.
A lady, 53, has been identified as having "burning mouth syndrome." In this condition, what area of the mouth is most usually affected?
The most typical symptom of burning mouth syndrome is a burning or boiling feeling on the tongue, although it can also affect the lips, gums, roof of the mouth, throat, or the entire mouth.
In guided tissue regeneration, which of the following cell populations is the main progenitor for a new connective tissue attachment?
Periodontal ligament fibroblasts are the predominant cell type in periodontal ligament tissues. They have a significant function in the progression of periodontitis, particularly in tissue repair and regeneration.