ADEX OSCE 2025 – 400 Free Practice Questions to Pass the Exam

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What is the recommended width and depth for a maxillary RPD bead line?

0.5-1 mm

0.75-1 mm

The recommended width and depth for a maxillary removable partial denture (RPD) bead line is typically between 0.75 and 1 mm. This dimension is critical because the bead line serves as a transition area that helps create a smoother contour between the denture base and the surrounding tissue, promoting both aesthetics and functional stability. A bead line that is too wide or deep may interfere with the fit and retention of the denture, while being too shallow could compromise the effectiveness of the denture’s border molding and retention.

Utilizing the dimensions within this range ensures adequate retention while allowing for ease of adjustment during the fitting process. Therefore, adhering to the recommended measurement of 0.75 to 1 mm strikes a balance between these functional requirements and the anatomical considerations of the maxillary arch.

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1-1.5 mm

1.5-2 mm

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