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 one purpose of having a properly designed shoulder margin on a crown?

To facilitate easier application of wax patterns
To create a more durable and aesthetic restoration
To ensure easier removal of the crown during future procedures
To promote faster healing of the gums

The correct answer is: To create a more durable and aesthetic restoration

One purpose of having a properly designed shoulder margin on a crown is to create a more durable and aesthetic restoration. A shoulder margin provides a strong and stable edge that can effectively support the crown while ensuring a good fit and seal against the tooth structure. This design allows for better adaptation of the crown to the tooth, reducing the risk of microleakage, which can lead to secondary decay beneath the restoration. Furthermore, the shoulder margin can contribute to the aesthetics of the crown by allowing for better contouring and a natural appearance in relation to the surrounding teeth. This is especially important in areas where appearance is a key concern, such as in anterior teeth. Other potential purposes, like facilitating easier application of wax patterns or ensuring easier removal of the crown, do not address the fundamental durability and aesthetic aspects of the restoration as directly as the correct option. Additionally, while promoting faster healing of the gums is important in dental procedures, the design of a shoulder margin specifically pertains more to the crown's integrity and visual appeal rather than the healing process. Thus, the shoulder margin's primary roles align closely with the durability and aesthetic quality of the final restoration.