Orthopaedic Biomaterials — MCQs

All of the following factors affect osseointegration EXCEPT:

In a functional implant, bone loss seen annually after 1 year is:

Buttressing bone formation is the periodontal tissue response to an increase in occlusal forces seen in

Healing of bone is affected by:

Which prosthesis is shown below in the X-ray?

A 45-year-old was given steroids after renal transplant. After 2 years he had difficulty in walking and pain in both hips. Which one of the following is most likely cause?

What is the primary use of stainless steel in orthodontics?

A 9-month-old girl is brought by her mother who noticed asymmetric skin folds on the thighs and difficulty abducting the left hip during diaper changes. She was a firstborn, delivered in breech presentation. Examination reveals limited abduction of the left hip to 30 degrees. The pelvis radiograph is shown (Image 1). Which of the following is the most appropriate next step in management?

A 16-year-old boy presents with a 6-week history of progressively worsening pain and swelling around the right knee. He denies any trauma. On examination there is a firm, tender, warm swelling over the distal femur. Serum alkaline phosphatase is markedly elevated. The plain radiograph is shown in Image 1. Which of the following is the most appropriate next step in management?

Which of the following diagnostic studies is NOT useful in the evaluation of upper-extremity pain?