Free OSCE Diagnostic Skills Questions and Answers

Question 1

Drugs used to treat arthritis?

Accepted Answer

Naproxene

Answer

Naproxen is a non-steroidal anti-inflammatory drug (NSAID) commonly used to treat pain and inflammation associated with various forms of arthritis, such as osteoarthritis and rheumatoid arthritis. It works by inhibiting cyclooxygenase (COX) enzymes, which are involved in the production of prostaglandins that cause pain and inflammation.

Question 2

How much unsupported porcelain is permitted in total? ("Minimum porcelain thickness")

Accepted Answer

2mm

Answer

In dental restorations, particularly with porcelain-fused-to-metal (PFM) or all-ceramic crowns, limiting unsupported porcelain is crucial for preventing fracture under occlusal forces. A general guideline in dentistry is that unsupported porcelain should not exceed 2mm to ensure adequate strength, durability, and longevity of the restoration.

Question 3

A bad cement for extensive restoration?

Accepted Answer

Zinc Phosphate

Answer

Zinc phosphate cement is generally considered a less ideal choice for extensive restorations due to several drawbacks. It has a relatively high solubility in oral fluids, an initial low pH that can cause pulpal irritation, and lacks true adhesive properties, relying solely on mechanical retention rather than chemical bonding, which is less secure for large or complex restorations.

Question 4

Even two months after RCT, the tooth is still radiolucent. How do you behave?

Accepted Answer

Retreat

Answer

If a tooth remains radiolucent (indicating persistent periapical pathology or infection) two months after a root canal treatment (RCT), it suggests the initial treatment was unsuccessful. In such cases, retreatment is typically indicated to address the persistent infection, thoroughly clean and reshape the canals, and achieve a better seal to promote healing and resolution of the lesion.

Question 5

Oral injury that leaves a scar after healing?

Accepted Answer

Major Ampthous Ulcer

Answer

Major aphthous ulcers, also known as Sutton's disease, are larger, deeper, and more painful than minor aphthous ulcers. Unlike minor aphthae which typically heal without scarring, major aphthous ulcers often take several weeks to heal and commonly leave a scar due to the significant tissue destruction they cause.

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Free OSCE Diagnostic Skills Questions and Answers