Dental OSCE (Objective Structured Clinical Examination) Practice Exam

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Prepare for the Dental OSCE Exam with comprehensive questions and interactive study tools. Enhance your clinical skills and knowledge with detailed explanations and scenarios. Achieve exam success and bolster your dental career!

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What is the most common reason for post-operative sensitivity following crown placement?

Excessive tooth preparation
Leakage of microorganisms
Pulp degeneration
Inadequate cementation

The correct answer is: Leakage of microorganisms

The most common reason for post-operative sensitivity following crown placement is related to the leakage of microorganisms. This issue arises when there are micro-gaps between the crown and the tooth structure, preventing an adequate seal. These gaps can allow bacteria and other microorganisms to enter, which can lead to irritation of the pulp and cause sensitivity. Proper crown placement ensures a snug fit and effective sealing with cement, which helps to minimize the risk of sensitivity. When leakage occurs, it can allow for the development of secondary caries or pulpitis, which often manifests as discomfort or hypersensitivity in the affected tooth. This connection elucidates why sealing and marginal integrity are crucial components in restorative dentistry to prevent post-operative complications. Other choices may contribute to sensitivity, but leakage from inadequate sealing stands out as a prevalent and direct cause of post-operative sensitivity following crown placement.